Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
970
FNUS55 KRIW 081946
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
146 PM MDT Tue Jul 8 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Critical RH values will continue this afternoon, with the higher
elevation portions of zones 140 and 415 only dropping into the 15
to 20 percent range. West winds with gusts of 15 to 20 mph will be
widespread after 1200, with stronger gusts up to 30 mph occurring
in zone 140 and northern portions of 415. RH recovery will be
poor tonight. Another day of low RH Wednesday, with higher winds
gusts expected, bringing elevated fire weather concerns.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Critical RH values continue this afternoon, reaching 8 to 10%,
with the higher elevation portions of zones 285 and 286 only
dropping into the 15 to 20 percent range. West winds with gusts of
15 to 20 mph will be widespread after 1400, with stronger gusts
up to 30 mph occurring in zones 286 and 288. Isolated virga
showers will be possible over zones 282, 283, 286, 287 and 288.
Wind gusts of 55 to 60 mph will be the main threat. RH recovery
will be fair to poor tonight. Another day of critical RH and gusty
winds expected for Wednesday.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Critical RH values continue this afternoon, falling to 8 to 10%,
with zones 281 and 285 only dropping into the 15 to 20 percent
range. West winds with gusts of 15 to 20 mph will be widespread.
RH recovery will be fair to poor tonight, with portions of zones
278, 280 and 281 being the exception. Another day of critical RH
and gusty winds expected for Wednesday.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-092200-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....61-66.
24 hr trend......5 degrees warmer.
Max humidity........31-37 percent.
24 hr trend......47 percent drier.
Humidity recovery...Poor.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
southwest.
Mixing Height.......6600-8600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....90-95.
24 hr trend......2 degrees warmer.
Min humidity........7-13 percent.
24 hr trend......1 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......5000-7000 ft agl until 1200, then 14600-16600
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....61-66.
24 hr trend......1 degree warmer.
Max humidity........40-46 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......7400-9400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated showers and thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....79-84.
24 hr trend......11 degrees cooler.
Min humidity........22-28 percent.
24 hr trend......13 percent wetter.
20-foot winds.......West winds around 15 mph until 1200, then
north. Gusts up to 25 mph.
Ridge top winds.....West around 20 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Cooler. Partly cloudy with scattered showers
and isolated thunderstorms. Lows in the lower 50s. Northeast
winds around 15 mph.
.FRIDAY...Not as warm. Partly cloudy with scattered showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
Northeast winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 54 to 59. Highs
85 to 90. North winds around 10 mph.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the mid 50s. Highs in the upper 80s.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms in
the afternoon. Highs in the lower 80s.
$$
WYZ283-092200-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....56-61.
24 hr trend......4 degrees warmer.
Max humidity........31-37 percent.
24 hr trend......24 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph
until 2400, then 15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......6200-8200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....88-93.
24 hr trend......1 degree warmer.
Min humidity........9-15 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty until
0900, then upslope/upvalley 5-9 mph until 1200,
then southwest 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 12400-14400
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers after midnight.
Isolated thunderstorms after midnight. Chance
of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....56-61.
24 hr trend......1 degree warmer.
Max humidity........43-49 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......7400-9400 ft agl until 2400, then 600-800 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the morning. Isolated
showers and thunderstorms in the afternoon.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....80-85.
24 hr trend......8 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY THROUGH FRIDAY...Not as warm. Partly cloudy with
isolated showers and thunderstorms. Lows 48 to 53. Highs in the
lower 70s. Northeast winds 10 to 15 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 50s.
Highs 86 to 91. North winds around 10 mph.
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
in the mid 50s. Highs around 90.
.TUESDAY...Not as warm. Mostly sunny. Isolated showers and
thunderstorms in the afternoon. Highs around 80.
$$
WYZ285-092200-
South Bighorn Mountains-
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....60-65.
24 hr trend......6 degrees warmer.
Max humidity........25-31 percent.
24 hr trend......37 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....85-90.
24 hr trend......2 degrees warmer.
Min humidity........9-15 percent.
24 hr trend......1 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......4200-6200 ft agl until 1200, then 12400-14400
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......3 degrees cooler.
Max humidity........37-43 percent.
24 hr trend......13 percent wetter.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......6000-8000 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....74-79.
24 hr trend......10 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph until 1500, then
north. Gusts up to 20 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Cooler. Partly cloudy with scattered showers
and isolated thunderstorms. Lows in the upper 40s. North winds
around 15 mph.
.FRIDAY...Cooler. Partly cloudy. Scattered showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 60s.
North winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 54 to 59. Highs
77 to 82. North winds around 10 mph.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the mid 50s. Highs in the lower 80s.
.TUESDAY...Cooler. Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ281-092200-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....62-67.
24 hr trend......5 degrees warmer.
Max humidity........39-45 percent.
24 hr trend......39 percent drier.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
southwest.
Mixing Height.......5800-7800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....86-91.
24 hr trend......1 degree warmer.
Min humidity........12-18 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph until 1500, then
southwest. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......4000-6000 ft agl until 1200, then 13000-15000
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....60-65.
24 hr trend......1 degree warmer.
Max humidity........44-50 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......6400-8400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated showers and thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....76-81.
24 hr trend......11 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Northwest winds 15 to 20 mph until 1500, then
north. Gusts up to 30 mph.
Ridge top winds.....North 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 20 to 25 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY THROUGH FRIDAY...Cooler. Partly cloudy with scattered
showers and thunderstorms. Lows 48 to 53. Highs in the upper 60s.
North winds 10 to 20 mph.
.SATURDAY...Warmer. Mostly clear. Lows in the mid 50s. Highs in
the mid 80s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 80s. North winds around 10 mph.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the upper 50s. Highs in the upper 80s.
.TUESDAY...Not as warm. Partly cloudy. Isolated showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ282-092200-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....58-63.
24 hr trend......4 degrees warmer.
Max humidity........34-40 percent.
24 hr trend......27 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds around 10 mph until 2100, then
southwest until 2400, then downslope/downvalley
4-7 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......5600-7600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....87-92.
24 hr trend......2 degrees warmer.
Min humidity........8-14 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 12600-14600
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....56-61.
24 hr trend......1 degree warmer.
Max humidity........41-47 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......7000-9000 ft agl until 2400, then 600-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated showers and thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....77-82.
24 hr trend......9 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph until 1500, then
around 15 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY THROUGH FRIDAY...Partly cloudy with scattered showers
and isolated thunderstorms. Lows 49 to 54. Highs in the lower
70s. North winds 10 to 15 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 56 to 61. Highs
86 to 91. North winds around 10 mph.
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
in the upper 50s. Highs around 90.
.TUESDAY...Not as warm. Partly cloudy. Isolated showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ275-092200-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......3 degrees warmer.
Max humidity........36-42 percent.
24 hr trend......27 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then north and gusty until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......6200-8200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....84-89.
24 hr trend......2 degrees warmer.
Min humidity........9-15 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....South around 10 mph until 1200, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....55-60.
24 hr trend......1 degree warmer.
Max humidity........42-48 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......South winds around 15 mph until 2100, then
north. Gusts up to 25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......6600-8600 ft agl until 2400, then 600-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated showers and thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....75-80.
24 hr trend......10 degrees cooler.
Min humidity........22-28 percent.
24 hr trend......10 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy with scattered showers and
isolated thunderstorms. Lows in the lower 50s. North winds around
20 mph.
.FRIDAY...Mostly clear. Scattered showers and isolated
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
North winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 50s.
Highs 86 to 91. North winds around 10 mph.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the mid 50s. Highs in the upper 80s.
.TUESDAY...Not as warm. Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ276-092200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......4 degrees warmer.
Max humidity........29-35 percent.
24 hr trend......27 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
until 2400, then 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......5600-7600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....86-91.
24 hr trend......1 degree warmer.
Min humidity........11-17 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest winds around 10 mph until 0900. West
after 1500. Gusts up to 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......3800-5800 ft agl until 1200, then 12200-14200
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....56-61.
24 hr trend......1 degree cooler.
Max humidity........40-46 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph
until 2400, then 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......5600-7600 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the afternoon. Scattered showers in the
afternoon. Scattered thunderstorms late in the
afternoon. Chance of precipitation 40 percent.
Chance of thunder...30 percent.
Max temperature.....75-80.
24 hr trend......10 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph until 1200, then
north. Gusts up to 25 mph.
Ridge top winds.....North 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Scattered showers and isolated
thunderstorms in the evening, then scattered showers after
midnight. Lows in the upper 40s. North winds around 20 mph.
.FRIDAY...Cooler. Mostly clear with scattered showers and
thunderstorms. Lows around 50. Highs in the upper 60s. Northeast
winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 50s.
Highs 82 to 87. Northwest winds around 10 mph.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the mid 50s. Highs in the lower 80s.
.TUESDAY...Cooler. Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Highs around 70.
$$
WYZ287-092200-
Owl Creek Mountains-
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....60-65.
24 hr trend......5 degrees warmer.
Max humidity........24-30 percent.
24 hr trend......25 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph
until 2400, then 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......5200-7200 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....84-89.
24 hr trend......2 degrees warmer.
Min humidity........10-16 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph until 1500, then around 20 mph
with gusts to around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 11800-13800
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......2 degrees cooler.
Max humidity........35-41 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Poor.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......6200-8200 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the afternoon. Scattered showers in the
afternoon. Scattered thunderstorms late in the
afternoon. Chance of precipitation 30 percent.
Chance of thunder...30 percent.
Max temperature.....73-78.
24 hr trend......10 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Northwest winds around 15 mph until 1200, then
north. Gusts up to 25 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Breezy. Partly cloudy. Scattered showers and
isolated thunderstorms in the evening, then scattered showers
after midnight. Lows around 50. North winds around 25 mph.
.FRIDAY...Cooler. Partly cloudy with scattered showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 60s. North
winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 50s.
Highs 79 to 84. North winds around 10 mph.
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
in the mid 50s. Highs in the lower 80s.
.TUESDAY...Cooler. Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Highs around 70.
$$
WYZ286-092200-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....50-55.
24 hr trend......3 degrees warmer.
Max humidity........37-43 percent.
24 hr trend......17 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
until 2400, then 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......4800-6800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......1 degree warmer.
Min humidity........12-18 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
west around 20 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......4200-6200 ft agl until 1200, then 11200-13200
ft agl.
Smoke dispersal.....Good to very good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the evening. Isolated dry thunderstorms early
in the evening. Isolated showers early in the
morning. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....49-54.
24 hr trend......2 degrees cooler.
Max humidity........51-57 percent.
24 hr trend......13 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
until 2400, then 20 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......5200-7200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the afternoon. Scattered showers in the
afternoon. Scattered thunderstorms late in the
afternoon. Chance of precipitation 40 percent.
Chance of thunder...30 percent.
Max temperature.....67-72.
24 hr trend......8 degrees cooler.
Min humidity........28-34 percent.
24 hr trend......14 percent wetter.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 30 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Scattered showers and isolated
thunderstorms in the evening, then scattered showers after
midnight. Lows in the mid 40s. North winds around 15 mph.
.FRIDAY...Cooler. Partly cloudy with scattered showers and
thunderstorms. Lows in the lower 40s. Highs around 60. East winds
around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows around 50. Highs
72 to 77. West winds around 10 mph.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the upper 40s. Highs in the mid 70s.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms in
the afternoon. Highs in the mid 60s.
$$
WYZ140-092200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......2 degrees warmer.
Max humidity........51-57 percent.
24 hr trend......16 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then southeast.
Mixing Height.......4800-6800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......Unchanged.
Min humidity........16-22 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the evening. Isolated showers early in the
evening. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....44-49.
24 hr trend......1 degree cooler.
Max humidity........70-76 percent.
24 hr trend......16 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then north.
Mixing Height.......4800-6800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....70-75.
24 hr trend......8 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7000-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Scattered showers and isolated
thunderstorms in the evening, then isolated showers after
midnight. Lows in the lower 40s. North winds around 10 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
in the upper 30s. Highs in the upper 60s. Winds generally less
than 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 43 to 48. Highs
73 to 78. Winds generally less than 10 mph.
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
in the mid 40s. Highs in the mid 70s.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms in
the afternoon. Highs in the upper 60s.
$$
WYZ415-092200-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......2 degrees warmer.
Max humidity........48-54 percent.
24 hr trend......13 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then southeast.
Mixing Height.......4400-6400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......1 degree warmer.
Min humidity........15-21 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms after
midnight. Isolated showers early in the
morning. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....42-47.
24 hr trend......1 degree cooler.
Max humidity........62-68 percent.
24 hr trend......17 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......4800-6800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated showers and thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....69-74.
24 hr trend......7 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7000-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY THROUGH FRIDAY...Mostly clear with isolated showers and
thunderstorms. Lows 41 to 46. Highs in the upper 60s. North winds
around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 44 to 49. Highs
73 to 78. Winds generally less than 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear with isolated showers and
thunderstorms. Lows in the upper 40s. Highs 73 to 78.
$$
WYZ416-092200-
West Wind River Mountains/East Zone Bridger Teton NF-
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......2 degrees warmer.
Max humidity........40-46 percent.
24 hr trend......13 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then east.
Mixing Height.......4800-6800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......1 degree warmer.
Min humidity........15-21 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......3800-5800 ft agl until 1200, then 11000-13000
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms after midnight. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....43-48.
24 hr trend......1 degree cooler.
Max humidity........61-67 percent.
24 hr trend......20 percent wetter.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph until 0300, then north with gusts
to around 15 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then
northwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......5200-7200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated thunderstorms early in the morning.
Isolated showers through the day. Isolated
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....66-71.
24 hr trend......7 degrees cooler.
Min humidity........28-34 percent.
24 hr trend......12 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7600-9000 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY THROUGH FRIDAY...Mostly clear with isolated showers and
thunderstorms. Lows 39 to 44. Highs in the mid 60s. North winds
around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 43 to 48. Highs
70 to 75. Northwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s.
.TUESDAY...Mostly sunny. Isolated showers and thunderstorms in
the afternoon. Highs around 70.
$$
WYZ288-092200-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......3 degrees warmer.
Max humidity........30-36 percent.
24 hr trend......12 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
until 2400, then 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......5400-7400 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......1 degree warmer.
Min humidity........13-19 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 35 mph until 1500, then around 20 mph
with gusts to around 35 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......4200-6200 ft agl until 1200, then 11800-13600
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers after midnight.
Isolated thunderstorms after midnight. Chance
of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....49-54.
24 hr trend......3 degrees cooler.
Max humidity........50-56 percent.
24 hr trend......21 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph until 0300, then around 10 mph and gusty.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......5600-7600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the morning. Isolated showers through the day.
Isolated thunderstorms in the afternoon. Chance
of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
24 hr trend......8 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph. Gusts up to 20
mph until 1200, then 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 7800-9400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Isolated showers and
thunderstorms in the evening, then isolated showers after
midnight. Lows in the mid 40s. Northwest winds around 15 mph.
.FRIDAY...Partly cloudy with scattered showers and thunderstorms.
Lows in the mid 40s. Highs in the mid 60s. Northeast winds around
10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the lower 50s.
Highs 73 to 78. West winds around 10 mph.
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
around 50. Highs in the upper 70s.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms in
the afternoon. Highs in the lower 70s.
$$
WYZ414-092200-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......2 degrees warmer.
Max humidity........45-51 percent.
24 hr trend......18 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......Unchanged.
Min humidity........14-20 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms after midnight. Isolated dry
thunderstorms after midnight. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....42-47.
24 hr trend......3 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......29 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 30
mph until 2400, then 20 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming sunny. Isolated dry
thunderstorms in the morning.
Chance of thunder...10 percent.
Max temperature.....68-73.
24 hr trend......8 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......13 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7000-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Clear. Lows in the mid 40s. West winds around
10 mph.
.FRIDAY...Clear. Isolated showers and thunderstorms. Lows in the
mid 40s. Highs in the lower 70s. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Clear. Lows in the upper 40s. Highs
74 to 79. West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s.
$$
WYZ278-092200-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......3 degrees warmer.
Max humidity........40-46 percent.
24 hr trend......20 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......6400-8400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......1 degree warmer.
Min humidity........11-17 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 15 to 20 mph with gusts to around 30
mph.
Ridge top winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 11800-13800
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms after midnight. Isolated dry
thunderstorms after midnight. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....47-52.
24 hr trend......1 degree warmer.
Max humidity........60-66 percent.
24 hr trend......26 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph until 0300, then northwest with gusts to
around 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......6200-8200 ft agl until 2400, then 600-800 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated dry thunderstorms in the morning.
Chance of thunder...10 percent.
Max temperature.....72-77.
24 hr trend......7 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph until 1500, then around 20 mph
with gusts to around 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 9400-11000 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Clear. Lows in the mid 40s. Northwest winds
around 10 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
in the mid 40s. Highs in the mid 70s. East winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Clear. Lows in the upper 40s. Highs
79 to 84. Northwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
80s.
.TUESDAY...Mostly sunny. Isolated showers and thunderstorms in
the afternoon. Highs in the lower 80s.
$$
WYZ277-092200-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....49-54.
24 hr trend......3 degrees warmer.
Max humidity........31-37 percent.
24 hr trend......14 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 2400, then downslope/downvalley 4-7
mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......5800-7800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......Unchanged.
Min humidity........10-16 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds west
around 20 mph with gusts to around 30 mph after
1500.
Ridge top winds.....Southwest around 10 mph until 1200, then around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the evening. Isolated dry
thunderstorms after midnight. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......32 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph
until 2400, then 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 2400, then
northwest.
Mixing Height.......5400-7400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...10 percent.
Max temperature.....73-78.
24 hr trend......7 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......8 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph until 1500, then around 20 mph with gusts
to around 30 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8200-9600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY THROUGH SUNDAY...Clear. Lows 45 to 50. Highs 79 to 84.
West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows around 50. Highs in the mid
80s.
$$
WYZ279-092200-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....54-59.
24 hr trend......3 degrees warmer.
Max humidity........32-38 percent.
24 hr trend......14 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......7200-9200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....82-87.
24 hr trend......1 degree warmer.
Min humidity........13-19 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......4000-6000 ft agl until 1200, then 12800-14800
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the evening. Isolated dry
thunderstorms after midnight. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....53-58.
24 hr trend......Unchanged.
Max humidity........58-64 percent.
24 hr trend......26 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph
until 2400, then 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......6600-8600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated dry thunderstorms in the morning.
Isolated showers and thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....77-82.
24 hr trend......8 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......6 percent wetter.
20-foot winds.......West winds 10 to 15 mph until 1200, then around
20 mph. Gusts up to 30 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 10000-11800
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
around 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
in the upper 40s. Highs in the upper 70s. Northeast winds around
10 mph.
.SATURDAY...Clear. Lows in the lower 50s. Highs in the lower 80s.
West winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. West winds around 10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
80s.
.TUESDAY...Mostly sunny. Isolated showers and thunderstorms in
the afternoon. Highs in the mid 80s.
$$
WYZ289-092200-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....58-63.
24 hr trend......4 degrees warmer.
Max humidity........25-31 percent.
24 hr trend......30 percent drier.
Humidity recovery...Poor.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 25 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......6800-8800 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....85-90.
24 hr trend......1 degree warmer.
Min humidity........5-11 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds west
around 20 mph with gusts to around 30 mph after
1500.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......4600-6600 ft agl until 1200, then 14000-16000
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated thunderstorms after midnight. Isolated
showers after midnight. Isolated dry
thunderstorms after midnight. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....58-63.
24 hr trend......1 degree cooler.
Max humidity........46-52 percent.
24 hr trend......17 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph until 0300, then around 10 mph and gusty.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......7200-9200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Excellent until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated dry thunderstorms in the morning.
Isolated showers through the day. Isolated
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....75-80.
24 hr trend......9 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......10 percent wetter.
20-foot winds.......West winds 10 to 15 mph until 1500, then
northwest. Gusts up to 30 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Cooler. Partly cloudy. Isolated showers and
thunderstorms in the evening, then isolated showers after
midnight. Lows around 50. North winds around 15 mph.
.FRIDAY...Mostly clear with isolated showers and thunderstorms.
Lows in the upper 40s. Highs in the lower 70s. Northeast winds
around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 53 to 58. Highs
82 to 87. Northwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.
.TUESDAY...Mostly sunny. Isolated showers and thunderstorms in
the afternoon. Highs in the lower 80s.
$$
WYZ300-092200-
Casper Mountain-
146 PM MDT Tue Jul 8 2025
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....61-66.
24 hr trend......5 degrees warmer.
Max humidity........25-31 percent.
24 hr trend......51 percent drier.
Humidity recovery...Poor.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 0300, then
south around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then south.
Mixing Height.......5600-7600 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....84-89.
24 hr trend......2 degrees warmer.
Min humidity........8-14 percent.
24 hr trend......1 percent drier.
20-foot winds.......South winds around 10 mph and gusty until 0900,
then west with gusts to around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......4800-6800 ft agl until 1200, then 13800-15800
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy then becoming cloudy.
Chance of thunder...0 percent.
Min temperature.....60-65.
24 hr trend......Unchanged.
Max humidity........38-44 percent.
24 hr trend......13 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph until 2100, then
southwest. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......6800-8800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated thunderstorms early in the afternoon.
Scattered showers in the afternoon. Scattered
thunderstorms late in the afternoon. Chance of
precipitation 30 percent.
Chance of thunder...30 percent.
Max temperature.....74-79.
24 hr trend......10 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......16 percent wetter.
20-foot winds.......West winds 10 to 15 mph until 1200, then
northwest. Gusts up to 25 mph.
Ridge top winds.....West around 15 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Cooler. Partly cloudy. Isolated showers and
thunderstorms in the evening, then scattered showers after
midnight. Lows in the upper 40s. Northeast winds around 10 mph.
.FRIDAY...Cooler. Partly cloudy with scattered showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
Northeast winds around 10 mph.
.SATURDAY...Warmer. Mostly clear. Lows in the mid 50s. Highs in
the upper 70s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
80s. Northwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear with isolated showers and
thunderstorms. Lows in the mid 50s. Highs 77 to 82.
$$