Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
521
FNUS55 KRIW 151003
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
403 AM MDT Wed Oct 15 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
A weather system moving in from the south will bring some showers
and isolated thunderstorms today. Relative humidity will remain
above critical levels. A gusty wind will develop in the southern
zones this afternoon. Mixing and smoke dispersal will be generally
range from fair to very good in the afternoon. Cooler temperatures
move in tonight behind a cold front and will drop snow levels to
around 7000 feet by Thursday morning.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
A weather system moving in from the south will bring some showers
and isolated thunderstorms today, most numerous in the northern
zones. Relative humidity will remain above critical levels. A gusty
wind will develop in the southern zones this afternoon. Mixing and
smoke dispersal will range from poor in the northern zones to
very good in the southern zones. Cooler temperatures move in tonight
behind a cold front and will drop snow levels to around 7000 feet by
Thursday morning.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
A weather system moving in from the south will bring scattered showers
and isolated thunderstorms today. Relative humidity will remain above
critical levels. A gusty wind will develop in the southern zones this
afternoon. Mixing and smoke dispersal will range from fair in the
northern zones to excellent in the southern zones. Cooler temperatures
move in tonight behind a cold front and will drop snow levels to around
7000 feet by Thursday morning.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-161215-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers through the
day. Slight chance of thunderstorms in the
afternoon. Patchy fog early in the morning.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......3 degrees cooler.
Min humidity........51-57 percent.
24 hr trend......22 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northeast 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......400-1400 ft agl until 1200, then 1400-3400 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers early in the evening. Slight
chance of thunderstorms in the evening. Showers
likely in the late evening and overnight.
Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....39-44.
24 hr trend......1 degree warmer.
Max humidity........82-88 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.45 percent until 2400, then 60 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......600-1200 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Showers likely. Chance of
showers 70 percent.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......15 degrees cooler.
Min humidity........65-71 percent.
24 hr trend......15 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.40 percent until 1200, then 25 percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers in the
evening. Lows in the mid 30s. Southwest winds around 15 mph.
.FRIDAY...Partly cloudy. Chance of showers and snow showers. Lows
in the lower 30s. Highs in the mid 50s. West winds around 15 mph.
.SATURDAY...Mostly clear. Slight chance of showers and snow
showers. Lows in the mid 30s. Highs in the lower 50s. West winds
around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers. Lows in the
mid 30s. Highs in the mid 60s. Southwest winds around 20 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 50s.
.TUESDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning. Highs in the upper 40s.
$$
WYZ283-161215-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers. Slight
chance of thunderstorms in the afternoon.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....56-61.
24 hr trend......1 degree cooler.
Min humidity........53-59 percent.
24 hr trend......9 percent wetter.
20-foot winds.......East winds around 10 mph until 1200, then
south. Gusts up to 30 mph.
Ridge top winds.....East around 15 mph until 1200, then south.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southeast around 15 mph until 1200, then south
around 25 mph.
Mixing Height.......600-2200 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of showers and thunderstorms
early in the evening, then chance of showers in
the late evening and early morning. Showers
likely early in the morning. Chance of
precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....35-40.
24 hr trend......2 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South winds around 15 mph with gusts to around
25 mph until 2100, then west with gusts to
around 25 mph.
Ridge top winds.....South around 15 mph until 2400, then west.
Chc of wetting rain.10 percent until 2400, then 35 percent.
Transport winds.....Southwest around 15 mph until 2400, then
northwest.
Mixing Height.......600-2000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Showers likely through the day.
Slight chance of thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...10 percent.
Max temperature.....43-48.
24 hr trend......15 degrees cooler.
Min humidity........68-74 percent.
24 hr trend......18 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.70 percent until 1200, then 30 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1000-2600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers in the
evening. Lows in the lower 30s. West winds around 10 mph.
.FRIDAY...Mostly clear with chance of showers and snow showers.
Lows in the lower 30s. Highs in the mid 50s. West winds around
10 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
50s. West winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers. Lows in the
mid 30s. Highs in the mid 60s. Southwest winds around 15 mph.
.MONDAY...Partly cloudy with chance of showers and snow showers.
Lows in the upper 20s. Highs in the mid 50s.
.TUESDAY...Mostly sunny. Slight chance of snow showers in the
morning. Highs in the upper 40s.
$$
WYZ285-161215-
South Bighorn Mountains-
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Patchy fog early in the morning.
Chance of showers in the morning, then showers
likely and slight chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....55-60.
24 hr trend......3 degrees cooler.
Min humidity........55-61 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Southeast winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southeast 15 to 20 mph.
Chc of wetting rain.10 percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of thunderstorms in the evening.
Showers likely through the night. Snow showers
likely early in the morning. No snow
accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Min temperature.....35-40.
24 hr trend......3 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph until 2400, then west with gusts
to around 15 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.52 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Showers in the morning. Snow
showers through the day. Showers likely and
slight chance of thunderstorms in the
afternoon. Snow accumulation up to 1 inch.
Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....39-44.
24 hr trend......16 degrees cooler.
Min humidity........78-84 percent.
24 hr trend......21 percent wetter.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.75 percent until 1200, then 55 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers and snow
showers in the evening, then slight chance of snow showers after
midnight. Lows in the lower 30s. West winds around 15 mph.
.FRIDAY...Partly cloudy with chance of snow showers and showers.
Lows in the lower 30s. Highs in the upper 40s. West winds around
15 mph.
.SATURDAY...Mostly clear. Slight chance of snow showers. Lows in
the mid 30s. Highs in the lower 40s. West winds around 10 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of showers and snow
showers. Lows in the mid 30s. Highs in the upper 50s. Southwest
winds around 20 mph.
.MONDAY...Cooler. Partly cloudy with chance of snow showers and
showers. Lows in the upper 20s. Highs in the upper 40s.
.TUESDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the lower 40s.
$$
WYZ281-161215-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Patchy fog early in the morning.
Chance of showers in the morning, then showers
likely and slight chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....59-64.
24 hr trend......Unchanged.
Min humidity........57-63 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.7 percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the evening. Showers likely through the
night. Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....38-43.
24 hr trend......4 degrees warmer.
Max humidity........86-92 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.60 percent.
Transport winds.....North around 15 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Cloudy. Showers in the morning, then showers
likely and slight chance of thunderstorms in
the afternoon. Chance of precipitation 90
percent.
Chance of thunder...10 percent.
Max temperature.....44-49.
24 hr trend......16 degrees cooler.
Min humidity........73-79 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.70 percent until 1200, then 50 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1000-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Slight chance of showers in the
evening. Lows in the mid 30s. Southwest winds around 10 mph.
.FRIDAY...Warmer. Partly cloudy with chance of showers. Lows in
the lower 30s. Highs in the upper 50s. Northwest winds around
10 mph.
.SATURDAY...Mostly clear. Slight chance of showers and snow
showers. Lows in the mid 30s. Highs in the lower 50s. West winds
around 10 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of showers. Lows in the
upper 30s. Highs in the upper 60s. Southwest winds around 15 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 50s.
.TUESDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning. Highs in the lower 50s.
$$
WYZ282-161215-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers until
late afternoon. Slight chance of thunderstorms
in the afternoon. Chance of showers late in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....57-62.
24 hr trend......Unchanged.
Min humidity........54-60 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 10 mph until 1200, then
southeast.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of thunderstorms early in the
evening. Chance of showers until early morning,
then showers likely early in the morning.
Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....34-39.
24 hr trend......4 degrees warmer.
Max humidity........83-89 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph. Gusts up to 25
mph until 2400, then 15 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.32 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......600-1600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Cloudy. Showers in the morning, then showers
likely and slight chance of thunderstorms in
the afternoon. Chance of precipitation 90
percent.
Chance of thunder...10 percent.
Max temperature.....41-46.
24 hr trend......12 degrees cooler.
Min humidity........74-80 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.80 percent until 1200, then 35 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1200-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers in the
evening. Lows in the lower 30s. Winds generally less than 10 mph.
.FRIDAY...Warmer. Partly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the mid 50s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
50s. Winds generally less than 10 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of showers. Lows in the
mid 30s. Highs in the mid 60s. Southwest winds around 10 mph.
.MONDAY...Partly cloudy with chance of showers and snow showers.
Lows in the upper 20s. Highs in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the lower 50s.
$$
WYZ275-161215-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Patchy fog early in the morning.
Slight chance of showers until late afternoon.
Slight chance of thunderstorms in the
afternoon. Chance of showers late in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....53-58.
24 hr trend......1 degree warmer.
Min humidity........58-64 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 10 mph until 1200, then southeast.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers and slight chance of
thunderstorms in the evening, then showers
likely after midnight. Chance of precipitation
70 percent.
Chance of thunder...20 percent.
Min temperature.....34-39.
24 hr trend......5 degrees warmer.
Max humidity........86-92 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.37 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......600-1400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Cloudy. Showers in the morning, then showers
likely in the afternoon. Chance of showers 90
percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......7 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.65 percent until 1200, then 30 percent.
Transport winds.....North 15 to 20 mph.
Mixing Height.......1000-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Chance of showers in the
evening, then slight chance of showers after midnight. Lows in
the mid 30s. Winds generally less than 10 mph.
.FRIDAY...Warmer. Partly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the mid 50s. Northwest
winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
50s. South winds around 10 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of showers. Lows in the
mid 30s. Highs in the mid 60s. South winds around 10 mph.
.MONDAY...Partly cloudy with chance of showers and snow showers.
Lows in the upper 20s. Highs in the mid 50s.
.TUESDAY...Partly cloudy. Highs around 50.
$$
WYZ276-161215-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Patchy fog early in the morning. Slight chance
of showers in the late morning and early
afternoon. Slight chance of thunderstorms in
the afternoon. Chance of showers early in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....49-54.
24 hr trend......Unchanged.
Min humidity........65-71 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then
showers likely after midnight. Chance of
precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....36-41.
24 hr trend......4 degrees warmer.
Max humidity........84-90 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.35 percent until 2400, then 60 percent.
Transport winds.....North around 15 mph.
Mixing Height.......800-1800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Cloudy. Showers in the morning. Snow showers in
the morning, then showers likely and slight
chance of thunderstorms in the afternoon. No
snow accumulation. Chance of precipitation 90
percent.
Chance of thunder...10 percent.
Max temperature.....43-48.
24 hr trend......7 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......5 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.75 percent until 1200, then 30 percent.
Transport winds.....North around 15 mph.
Mixing Height.......1000-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers in the
evening, then slight chance of showers and snow showers after
midnight. Lows in the mid 30s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows in the lower 30s. Highs in the mid 50s. West winds around
10 mph.
.SATURDAY...Mostly clear. Lows in the upper 30s. Highs around 50.
Southwest winds around 10 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of showers. Lows in the
mid 30s. Highs in the lower 60s. Southwest winds around 15 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows around 30. Highs in the lower 50s.
.TUESDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the upper 40s.
$$
WYZ287-161215-
Owl Creek Mountains-
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers until
late afternoon. Slight chance of thunderstorms
in the afternoon. Chance of showers late in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....51-56.
24 hr trend......Unchanged.
Min humidity........63-69 percent.
24 hr trend......7 percent wetter.
20-foot winds.......East winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers and slight chance of
thunderstorms in the evening, then showers
likely after midnight. Snow showers likely
early in the morning. Little or no snow
accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Min temperature.....32-37.
24 hr trend......1 degree warmer.
Max humidity........86-92 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.25 percent until 2400, then 55 percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......400-1400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Cloudy. Showers and snow showers in the
morning, then showers, snow showers likely and
slight chance of thunderstorms in the
afternoon. Snow accumulation up to 2 inches.
Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....37-42.
24 hr trend......13 degrees cooler.
Min humidity........73-79 percent.
24 hr trend......14 percent wetter.
20-foot winds.......North winds around 10 mph with gusts to around
25 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.80 percent until 1200, then 45 percent.
Transport winds.....North around 15 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers and snow
showers in the evening. Lows in the lower 30s. Southwest winds
around 10 mph.
.FRIDAY...Warmer. Mostly clear. Chance of showers and snow
showers. Lows in the lower 30s. Highs in the lower 50s. West
winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
40s. Southwest winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers and snow
showers. Lows in the mid 30s. Highs in the upper 50s. Southwest
winds around 15 mph.
.MONDAY...Partly cloudy with chance of showers and snow showers.
Lows in the upper 20s. Highs around 50.
.TUESDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the mid 40s.
$$
WYZ286-161215-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
403 AM MDT Wed Oct 15 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
11 PM MDT THURSDAY...
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog early in the morning. Chance of
showers and snow showers in the morning, then
showers, snow showers likely and slight chance
of thunderstorms in the afternoon. Little or no
snow accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....43-48.
24 hr trend......3 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Southeast winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers, snow showers likely and
slight chance of thunderstorms in the evening,
then snow showers and showers after midnight.
Snow accumulation up to 2 inches. Chance of
precipitation 90 percent.
Chance of thunder...20 percent.
Min temperature.....31-36.
24 hr trend......Unchanged.
Max humidity........81-87 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.62 percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Snow showers and showers through
the day. Slight chance of thunderstorms in the
afternoon. Snow accumulation up to 3 inches.
Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....37-42.
24 hr trend......8 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.75 percent until 1200, then 60 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Chance of snow showers and
showers in the evening, then slight chance of snow showers after
midnight. Lows in the upper 20s. West winds around 15 mph.
.FRIDAY...Partly cloudy with chance of snow showers and showers.
Lows in the upper 20s. Highs in the lower 40s. West winds around
15 mph.
.SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the
lower 40s. West winds around 15 mph.
.SUNDAY...Partly cloudy. Snow showers likely and chance of
showers. Lows in the upper 20s. Highs in the upper 40s. West
winds around 15 mph.
.MONDAY...Partly cloudy with snow showers likely. Lows in the
lower 20s. Highs around 40.
.TUESDAY...Partly cloudy with slight chance of snow showers.
Highs in the upper 30s.
$$
WYZ140-161215-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and snow
showers through the day. Slight chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....44-49.
24 hr trend......4 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Southeast winds around 10 mph until 1200, then
south. Gusts up to 25 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.37 percent.
Transport winds.....Southeast around 15 mph until 1200, then south.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Slight chance of thunderstorms in the
evening. Chance of showers and snow showers
until early morning, then snow showers and
showers likely early in the morning. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....28-33.
24 hr trend......Unchanged.
Max humidity........87-93 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.25 percent.
Transport winds.....Southwest around 10 mph until 2400, then
northwest.
Mixing Height.......400-1400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Cloudy. Snow showers and showers through the
day. Slight chance of thunderstorms in the
afternoon. Snow accumulation up to 3 inches.
Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....37-42.
24 hr trend......7 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.70 percent until 1200, then 45 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Cloudy. Chance of snow showers and showers in
the evening, then chance of snow showers after midnight. Lows in
the mid 20s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with chance of snow showers and showers.
Lows in the lower 20s. Highs around 40. Southwest winds around
10 mph.
.SATURDAY...Mostly clear. Lows in the upper 20s. Highs in the
lower 40s. Southwest winds around 10 mph.
.SUNDAY...Partly cloudy. Snow showers and showers likely. Lows in
the mid 20s. Highs in the upper 40s. Southwest winds around
15 mph.
.MONDAY...Partly cloudy with snow showers likely. Lows around 19.
Highs in the upper 30s.
.TUESDAY...Partly cloudy with slight chance of snow showers.
Highs in the upper 30s.
$$
WYZ415-161215-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
403 AM MDT Wed Oct 15 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
11 PM MDT THURSDAY...
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and snow
showers in the morning. Slight chance of
thunderstorms through the day. Showers and snow
showers likely in the afternoon. Little or no
snow accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....41-46.
24 hr trend......4 degrees cooler.
Min humidity........75-81 percent.
24 hr trend......20 percent wetter.
20-foot winds.......South winds 10 to 15 mph with gusts to around
25 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.15 percent until 1200, then 55 percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Chance of showers and slight chance of
thunderstorms in the evening. Snow showers
likely through the night. Showers likely after
midnight. Snow accumulation up to 2 inches.
Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....27-32.
24 hr trend......3 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.40 percent until 2400, then 50 percent.
Transport winds.....West around 10 mph.
Mixing Height.......600-1800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Cloudy. Snow showers and showers through the
day. Slight chance of thunderstorms in the
afternoon. Snow accumulation up to 4 inches.
Chance of precipitation near 100 percent.
Chance of thunder...10 percent.
Max temperature.....34-39.
24 hr trend......8 degrees cooler.
Min humidity........80-86 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.90 percent until 1200, then 80 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Cloudy. Snow showers and showers likely in the
evening, then chance of snow showers and showers after midnight.
Lows in the mid 20s. West winds around 10 mph.
.FRIDAY...Partly cloudy with chance of snow showers and showers.
Lows in the mid 20s. Highs around 40. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs in the lower
40s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy with snow showers likely and chance of
showers. Lows in the mid 20s. Highs in the upper 40s. Southwest
winds around 10 mph.
.MONDAY...Colder. Partly cloudy with snow showers likely and
chance of showers. Lows around 19. Highs in the upper 30s.
.TUESDAY...Partly cloudy with slight chance of snow showers.
Highs in the upper 30s.
$$
WYZ416-161215-
West Wind River Mountains/East Zone Bridger Teton NF-
403 AM MDT Wed Oct 15 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
11 PM MDT THURSDAY...
.TODAY...
Sky/weather.........Mostly cloudy. Showers and snow showers likely
through the day. Slight chance of thunderstorms
in the afternoon. Little or no snow
accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....42-47.
24 hr trend......4 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......24 percent wetter.
20-foot winds.......South winds 15 to 20 mph with gusts to around
30 mph.
Ridge top winds.....South around 20 mph.
Chc of wetting rain.20 percent until 1200, then 60 percent.
Transport winds.....South around 25 mph.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Snow showers, showers likely and
slight chance of thunderstorms in the evening,
then snow showers after midnight. Snow
accumulation of 1 to 3 inches. Chance of
precipitation 80 percent.
Chance of thunder...20 percent.
Min temperature.....25-30.
24 hr trend......6 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph with gusts to around 15
mph until 0300, then downslope/downvalley 4-7
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.50 percent until 2400, then 70 percent.
Transport winds.....Southwest around 15 mph until 2400, then west.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Snow showers in the morning,
then snow showers likely and slight chance of
thunderstorms in the afternoon. Chance of
showers early in the afternoon. Snow
accumulation of 1 to 3 inches. Chance of
precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....33-38.
24 hr trend......8 degrees cooler.
Min humidity........75-81 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.75 percent until 1200, then 40 percent.
Transport winds.....West around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening, then slight chance of snow showers after midnight. Lows
in the lower 20s. West winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
in the lower 20s. Highs in the upper 30s. West winds around
15 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs around 40.
West winds around 10 mph.
.SUNDAY...Partly cloudy. Chance of snow showers and showers. Lows
in the mid 20s. Highs in the upper 40s. Southwest winds around
15 mph.
.MONDAY...Partly cloudy with chance of snow showers. Lows around
18. Highs in the upper 30s.
.TUESDAY...Partly cloudy with slight chance of snow showers.
Highs in the upper 30s.
$$
WYZ288-161215-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
403 AM MDT Wed Oct 15 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
11 PM MDT THURSDAY...
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and snow
showers likely through the day. Slight chance
of thunderstorms in the afternoon. Little or no
snow accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....46-51.
24 hr trend......4 degrees cooler.
Min humidity........63-69 percent.
24 hr trend......20 percent wetter.
20-foot winds.......South winds 15 to 20 mph with gusts to around
35 mph.
Ridge top winds.....South 20 to 25 mph.
Chc of wetting rain.5 percent until 1200, then 35 percent.
Transport winds.....South around 20 mph until 1200, then around 30
mph.
Mixing Height.......800-2800 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers and slight chance of
thunderstorms in the evening. Snow showers
likely through the night. Showers likely after
midnight. Snow accumulation up to 3 inches.
Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....28-33.
24 hr trend......5 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 35 mph
until 2400, then 20 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.25 percent until 2400, then 60 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Snow showers and showers in the
morning, then snow showers, showers likely and
slight chance of thunderstorms in the
afternoon. Snow accumulation up to 3 inches.
Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....37-42.
24 hr trend......9 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......12 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.75 percent until 1200, then 45 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of snow showers and
slight chance of showers in the evening, then slight chance of
snow showers after midnight. Lows in the upper 20s. West winds
around 15 mph.
.FRIDAY...Partly cloudy with chance of snow showers. Lows in the
upper 20s. Highs in the mid 40s. West winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the
lower 40s. West winds around 15 mph.
.SUNDAY...Partly cloudy. Chance of snow showers and showers. Lows
in the lower 30s. Highs in the lower 50s. Southwest winds around
20 mph.
.MONDAY...Partly cloudy with chance of snow showers and showers.
Lows in the mid 20s. Highs in the lower 40s.
.TUESDAY...Partly cloudy with slight chance of snow showers.
Highs around 40.
$$
WYZ414-161215-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
403 AM MDT Wed Oct 15 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
11 PM MDT THURSDAY...
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and snow
showers through the day. Slight chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....43-48.
24 hr trend......6 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......30 percent wetter.
20-foot winds.......South winds 10 to 15 mph until 1500, then
southwest. Gusts up to 30 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.15 percent until 1200, then 35 percent.
Transport winds.....South around 20 mph.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Snow showers likely with
possible showers and thunderstorms in the
evening, then snow showers with showers likely
after midnight. Snow accumulation up to 4
inches. Chance of precipitation 80 percent.
Chance of thunder...20 percent.
Min temperature.....26-31.
24 hr trend......4 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
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 10 to 15 mph.
Chc of wetting rain.40 percent until 2400, then 70 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......600-1800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Snow showers in the morning.
Showers through the day. Snow showers likely
and slight chance of thunderstorms in the
afternoon. Snow accumulation up to 4 inches.
Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....33-38.
24 hr trend......10 degrees cooler.
Min humidity........82-88 percent.
24 hr trend......18 percent wetter.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.80 percent until 1200, then 50 percent.
Transport winds.....West around 15 mph.
Mixing Height.......800-2600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Chance of snow showers and
showers in the evening, then slight chance of showers and snow
showers after midnight. Lows in the mid 20s. West winds around
10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the lower 40s. West
winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the upper 20s. Highs in the mid
40s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Chance of showers and snow showers. Lows
in the upper 20s. Highs in the lower 50s. Southwest winds around
10 mph.
.MONDAY...Partly cloudy with chance of snow showers and showers.
Lows in the lower 20s. Highs in the lower 40s.
.TUESDAY...Partly cloudy with slight chance of snow showers.
Highs in the lower 40s.
$$
WYZ278-161215-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of showers early
in the morning. Chance of showers. Slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....48-53.
24 hr trend......4 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......23 percent wetter.
20-foot winds.......South winds 15 to 20 mph with gusts to around
35 mph.
Ridge top winds.....South 20 to 25 mph.
Chc of wetting rain.7 percent.
Transport winds.....South around 20 mph until 1200, then around 30
mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow showers and
slight chance of thunderstorms in the evening.
Chance of showers through the night. Snow
showers likely after midnight. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....28-33.
24 hr trend......6 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
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.20 percent until 2400, then 50 percent.
Transport winds.....West around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Chance of showers and snow
showers through the day. Slight chance of
thunderstorms in the afternoon. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...10 percent.
Max temperature.....38-43.
24 hr trend......10 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......16 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.30 percent until 1200, then 5 percent.
Transport winds.....West around 20 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of snow showers in
the evening. Lows in the mid 20s. West winds around 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 20s. Highs in the upper
40s. West winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs in the lower
50s. Northwest winds around 10 mph.
.SUNDAY...Mostly clear. Chance of showers and snow showers. Lows
in the upper 20s. Highs in the upper 50s. West winds around
10 mph.
.MONDAY...Partly cloudy with chance of snow showers and slight
chance of showers. Lows in the lower 20s. Highs around 50.
.TUESDAY...Partly cloudy. Highs in the mid 40s.
$$
WYZ277-161215-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
403 AM MDT Wed Oct 15 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
11 PM MDT THURSDAY...
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers through the day. Slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....49-54.
24 hr trend......6 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......26 percent wetter.
20-foot winds.......Southeast winds 10 to 15 mph with gusts to
around 35 mph until 1500, then southwest around
20 mph with gusts to around 35 mph.
Ridge top winds.....Southeast around 15 mph until 1200, then
southwest around 25 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Southeast around 15 mph until 1200, then
southwest around 25 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Snow
showers likely through the night. Showers
likely after midnight. Snow accumulation up to
2 inches. Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....29-34.
24 hr trend......3 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
until 2400, then 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.47 percent.
Transport winds.....West around 15 mph.
Mixing Height.......800-2600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Snow showers likely in the
morning. Chance of showers through the day.
Chance of snow showers in the afternoon. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......10 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......21 percent wetter.
20-foot winds.......West winds 15 to 20 mph. Gusts up to 25 mph
until 1200, then 35 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.30 percent until 1200, then 5 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Slight chance of showers and
snow showers in the evening. Lows in the upper 20s. West winds
around 15 mph.
.FRIDAY...Partly cloudy. Lows in the upper 20s. Highs in the
upper 40s. West winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the upper 20s. Highs in the
lower 50s. West winds around 10 mph.
.SUNDAY...Mostly clear. Chance of showers and snow showers. Lows
around 30. Highs in the lower 60s. Southwest winds around 15 mph.
.MONDAY...Cooler. Partly cloudy with chance of snow showers and
slight chance of showers. Lows in the lower 20s. Highs around 50.
.TUESDAY...Mostly sunny. Highs in the upper 40s.
$$
WYZ279-161215-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers through the
day. Slight chance of thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....50-55.
24 hr trend......3 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Breezy. Southeast winds 15 to 20 mph until
1200, then south 20 to 25 mph. Gusts up to 40
mph.
Ridge top winds.....South 20 to 25 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 25 mph until 1200, then around 35
mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of snow showers and slight chance of
thunderstorms in the evening. Chance of showers
through the night. Snow showers likely after
midnight. Little or no snow accumulation.
Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....30-35.
24 hr trend......8 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 30
mph until 2400, then 15 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.5 percent until 2400, then 35 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.THURSDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers in the morning. Chance
of showers through the day. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......12 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
west around 20 mph. Gusts up to 30 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.20 percent until 1200, then zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3200-4600 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. West
winds around 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the lower 30s.
Highs 49 to 54. West winds around 15 mph.
.SUNDAY...Mostly clear. Slight chance of showers. Lows in the mid
30s. Highs in the lower 60s. Southwest winds around 15 mph.
.MONDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the mid 20s. Highs in the lower 50s.
.TUESDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the upper 40s.
$$
WYZ289-161215-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers through the
day. Slight chance of thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....57-62.
24 hr trend......3 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Southeast winds 15 to 20 mph until 1500, then
southwest. Gusts up to 35 mph.
Ridge top winds.....South 20 to 25 mph.
Chc of wetting rain.5 percent.
Transport winds.....South around 20 mph until 1200, then around 30
mph.
Mixing Height.......600-2600 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Chance of showers through
the night. Chance of snow showers late in the
evening. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....35-40.
24 hr trend......7 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.10 percent until 2400, then 25 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Snow showers likely until late
afternoon. Showers likely through the day. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......14 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.50 percent until 1200, then 20 percent.
Transport winds.....West around 25 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 20 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear with slight chance of
showers and snow showers. Lows 31 to 36. Highs in the lower 50s.
West winds 15 to 20 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers. Lows in the
mid 30s. Highs in the lower 60s. Southwest winds around 20 mph.
.MONDAY...Partly cloudy with chance of showers and snow showers.
Lows in the upper 20s. Highs in the lower 50s.
.TUESDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the mid 40s.
$$
WYZ300-161215-
Casper Mountain-
403 AM MDT Wed Oct 15 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers in the morning.
Showers likely and slight chance of
thunderstorms in the afternoon. Chance of
precipitation 60 percent.
Chance of thunder...20 percent.
Max temperature.....59-64.
24 hr trend......Unchanged.
Min humidity........51-57 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Southeast winds around 15 mph until 1500, then
southwest. Gusts up to 25 mph.
Ridge top winds.....Southeast around 20 mph until 1200, then
southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the evening. Showers likely through the
night. Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....37-42.
24 hr trend......4 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.65 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Chance of snow showers in the
morning. Chance of showers through the day.
Chance of snow showers late in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......17 degrees cooler.
Min humidity........63-69 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.17 percent.
Transport winds.....Southwest around 25 mph until 1200, then west
around 35 mph.
Mixing Height.......2000-4000 ft agl.
Smoke dispersal.....Fair to good until 1200, then good to very
good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 20 mph.
.FRIDAY...Partly cloudy with chance of snow showers and showers.
Lows in the lower 30s. Highs in the upper 40s. West winds around
15 mph.
.SATURDAY...Mostly clear. Chance of snow showers and showers.
Lows in the mid 30s. Highs in the mid 40s. West winds around
15 mph.
.SUNDAY...Warmer. Mostly clear. Slight chance of showers. Lows in
the upper 30s. Highs in the upper 50s. Southwest winds around
20 mph.
.MONDAY...Partly cloudy with chance of showers and snow showers.
Lows in the upper 20s. Highs around 50.
.TUESDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the lower 40s.
$$