Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
540
FNUS55 KRIW 171127
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
527 AM MDT Thu Apr 17 2025
.DISCUSSION...
***This product is currently automated with no discussion
and will not be refreshed with all forecast updates. It should
be used for planning purposes only. If you need additional fire
weather information, please contact the NWS office in Riverton,
Wyoming. The human written discussion section along with the fire
weather forecast will resume regular operations sometime in
Spring 2025.***
---Thunderstorms imply strong gusty and erratic winds---
WYZ280-172200-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
527 AM MDT Thu Apr 17 2025
...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Scattered rain showers in the morning.
Snow showers through the day. Patchy blowing
snow in the morning. Areas of blowing snow in
the afternoon. Snow accumulation of 2 to 5
inches. Chance of precipitation near 100
percent.
Chance of thunder...0 percent.
Max temperature.....33-38.
24 hr trend......36 degrees cooler.
Min humidity........73-79 percent.
24 hr trend......68 percent wetter.
20-foot winds.......Breezy. Northeast winds 20 to 25 mph. Gusts up
to 35 mph until 1200, then 40 mph.
Ridge top winds.....Northeast 25 to 30 mph.
Chc of wetting rain.75 percent until 1200, then 95 percent.
Transport winds.....Northeast 25 to 30 mph.
Mixing Height.......1600-2800 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow. Snow showers. Snow
accumulation of 1 to 4 inches. Chance of snow
near 100 percent.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......10 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northeast winds 20 to 25 mph. Gusts up
to 35 mph until 0300, then 25 mph.
Ridge top winds.....Northeast 25 to 30 mph.
Chc of wetting rain.75 percent.
Transport winds.....Northeast 25 to 30 mph.
Mixing Height.......1000-2600 ft agl.
Smoke dispersal.....Poor to fair.
.FRIDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow until late
afternoon. Snow showers early in the morning.
Numerous snow showers early in the morning,
then scattered snow showers in the afternoon.
Snow accumulation up to 1 inch. Chance of snow
90 percent.
Chance of thunder...0 percent.
Max temperature.....29-34.
24 hr trend......2 degrees cooler.
Min humidity........64-70 percent.
24 hr trend......13 percent drier.
20-foot winds.......Northeast winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Northeast 20 to 25 mph until 1700, then around
15 mph.
Chc of wetting rain.25 percent until 1200, then 5 percent.
Transport winds.....Northeast 20 to 25 mph until 1700, then around
15 mph.
Mixing Height.......1000-3000 ft agl until 1100, then 3200-4200 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Isolated snow showers in the
evening. Lows around 13. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 20s. Highs around 40.
Southwest winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 30. Highs in the upper 40s.
Southwest winds around 10 mph.
.MONDAY...Partly cloudy with isolated showers. Lows in the upper
20s. Highs in the mid 50s. Southwest winds around 15 mph.
.TUESDAY...Partly cloudy with isolated showers and snow showers.
Lows in the lower 30s. Highs in the mid 50s.
.WEDNESDAY...Partly cloudy. Scattered showers in the afternoon.
Highs around 60.
$$
WYZ283-172200-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
527 AM MDT Thu Apr 17 2025
...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Patchy blowing snow through the day.
Rain showers early in the morning. Snow showers
through the day. Snow accumulation of 2 to 7
inches. Chance of precipitation near 100
percent.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......34 degrees cooler.
Min humidity........63-69 percent.
24 hr trend......56 percent wetter.
20-foot winds.......Northeast winds around 20 mph. Gusts up to 30
mph until 1500, then 35 mph.
Ridge top winds.....Northeast around 25 mph.
Chc of wetting rain.87 percent.
Transport winds.....Northeast around 25 mph.
Mixing Height.......1400-2800 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow early in the
evening. Patchy blowing snow in the late
evening and early morning. Snow showers through
the night. Snow accumulation of 1 to 7 inches.
Chance of snow near 100 percent.
Chance of thunder...0 percent.
Min temperature.....19-24.
24 hr trend......8 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds 15 to 20 mph. Gusts up to 30 mph
until 0300, then 20 mph.
Ridge top winds.....North 20 to 25 mph.
Chc of wetting rain.62 percent.
Transport winds.....North 20 to 25 mph.
Mixing Height.......1000-2600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Snow showers in the morning,
then scattered snow showers in the afternoon.
Snow accumulation up to 2 inches. Chance of
snow 90 percent.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......Unchanged.
Min humidity........58-64 percent.
24 hr trend......13 percent drier.
20-foot winds.......Northeast winds 10 to 15 mph with higher gusts.
Ridge top winds.....Northeast 15 to 20 mph.
Chc of wetting rain.35 percent until 1200, then 5 percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing Height.......1000-3000 ft agl until 1100, then 3000-4600 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Isolated snow showers in the
evening. Lows around 14. Winds generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 20s. Highs in the
lower 40s. Winds generally less than 10 mph.
.SUNDAY THROUGH MONDAY...Partly cloudy with isolated showers and
snow showers. Lows in the upper 20s. Highs 49 to 54. West winds
around 10 mph.
.TUESDAY...Partly cloudy. Isolated showers and snow showers. Lows
in the lower 30s. Highs in the mid 50s.
.WEDNESDAY...Partly cloudy. Isolated showers in the afternoon.
Highs in the upper 50s.
$$
WYZ285-172200-
South Bighorn Mountains-
527 AM MDT Thu Apr 17 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Patchy blowing snow early in the
morning. Patchy blowing snow. Snow showers
through the day. Snow accumulation of 3 to 8
inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......31 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......60 percent wetter.
20-foot winds.......Breezy. North winds 20 to 25 mph. Gusts up to
30 mph until 0900, then 40 mph.
Ridge top winds.....North 25 to 30 mph.
Chc of wetting rain.85 percent until 1200, then 95 percent.
Transport winds.....North 25 to 30 mph.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow in the evening.
Patchy blowing snow after midnight. Snow
showers through the night. Snow accumulation of
1 to 7 inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......7 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. North winds 20 to 25 mph. Gusts up to
35 mph until 0300, then 25 mph.
Ridge top winds.....North 25 to 30 mph until 0500, then around 20
mph.
Chc of wetting rain.57 percent.
Transport winds.....Northeast 25 to 30 mph until 0500, then around
20 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow until late
afternoon. Snow showers early in the morning.
Numerous snow showers in the morning, then
scattered snow showers in the afternoon. Snow
accumulation of 1 to 2 inches. Chance of snow
80 percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......1 degree cooler.
Min humidity........56-62 percent.
24 hr trend......12 percent drier.
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.35 percent until 1200, then 20 percent.
Transport winds.....North around 20 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Isolated snow showers in the
evening. Lows around 15. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
30s. Southwest winds around 10 mph.
.SUNDAY...Partly cloudy with isolated snow showers. Lows in the
lower 30s. Highs in the mid 40s. Southwest winds around 10 mph.
.MONDAY...Partly cloudy with scattered showers and snow showers.
Lows in the upper 20s. Highs in the upper 40s. West winds around
15 mph.
.TUESDAY...Partly cloudy. Scattered snow showers and isolated
showers. Lows in the lower 30s. Highs in the upper 40s.
.WEDNESDAY...Partly cloudy. Isolated showers and snow showers in
the morning, then scattered showers in the afternoon. Highs in
the lower 50s.
$$
WYZ281-172200-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
527 AM MDT Thu Apr 17 2025
...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Patchy blowing snow until late
afternoon. Areas of blowing snow early in the
afternoon, then patchy blowing snow late in the
afternoon. Numerous rain showers early in the
morning. Numerous snow showers early in the
morning. Snow showers early in the morning.
Snow accumulation of 2 to 4 inches. Chance of
precipitation near 100 percent.
Chance of thunder...0 percent.
Max temperature.....30-35.
24 hr trend......36 degrees cooler.
Min humidity........68-74 percent.
24 hr trend......63 percent wetter.
20-foot winds.......Windy. North winds 25 to 30 mph with gusts to
around 40 mph.
Ridge top winds.....North 30 to 35 mph.
Chc of wetting rain.70 percent until 1200, then 85 percent.
Transport winds.....North 30 to 35 mph.
Mixing Height.......1800-3000 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow. Snow showers in
the evening. Numerous snow showers late in the
evening, then scattered snow showers after
midnight. Snow accumulation of 1 to 2 inches.
Chance of snow 90 percent.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......4 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. North winds 20 to 25 mph with gusts to
around 35 mph until 0300, then around 15 mph
with gusts to around 25 mph.
Ridge top winds.....North 25 to 30 mph until 0200, then around 20
mph.
Chc of wetting rain.45 percent until 2400, then 20 percent.
Transport winds.....North 25 to 30 mph until 0200, then around 20
mph.
Mixing Height.......800-2400 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers in the
morning. Isolated snow showers in the
afternoon. Patchy blowing snow late in the
morning. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......2 degrees warmer.
Min humidity........54-60 percent.
24 hr trend......24 percent drier.
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.5 percent.
Transport winds.....North around 20 mph.
Mixing Height.......1000-2600 ft agl until 1000, then 3600-5600 ft
agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows around 20. Winds generally
less than 10 mph.
.SATURDAY...Not as cool. Mostly clear. Lows in the upper 20s.
Highs in the upper 40s. South winds around 10 mph.
.SUNDAY...Partly cloudy with isolated showers. Lows in the lower
30s. Highs in the mid 50s. Southwest winds around 10 mph.
.MONDAY...Partly cloudy with scattered showers. Lows in the lower
30s. Highs in the upper 50s. West winds around 10 mph.
.TUESDAY...Partly cloudy with isolated showers and snow showers.
Lows in the lower 30s. Highs in the mid 50s.
.WEDNESDAY...Partly cloudy with isolated showers. Highs in the
upper 50s.
$$
WYZ282-172200-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
527 AM MDT Thu Apr 17 2025
...WINTER STORM WARNING IN EFFECT UNTIL 3 AM MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Patchy blowing snow in the morning.
Areas of blowing snow in the afternoon. Snow
showers through the day. Snow accumulation of 2
to 6 inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......36 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......59 percent wetter.
20-foot winds.......Windy. Northwest winds 25 to 30 mph. Gusts up
to 30 mph until 0900, then 40 mph.
Ridge top winds.....Northwest 25 to 30 mph until 1400, then 30 to
35 mph.
Chc of wetting rain.87 percent.
Transport winds.....Northwest 25 to 30 mph until 1400, then 30 to
35 mph.
Mixing Height.......1800-2400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow. Snow showers until
early morning. Numerous snow showers after
midnight. Snow accumulation up to 4 inches.
Chance of snow near 100 percent.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......4 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northwest winds 20 to 25 mph with gusts
to around 35 mph until 0300, then around 15 mph
and gusty.
Ridge top winds.....Northwest 25 to 30 mph until 0300, then around
20 mph.
Chc of wetting rain.55 percent until 2400, then 40 percent.
Transport winds.....Northwest 25 to 30 mph until 0300, then around
20 mph.
Mixing Height.......800-2400 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Numerous snow showers early in the morning,
then scattered snow showers until late
afternoon. Isolated snow showers late in the
afternoon. Patchy blowing snow late in the
morning. Snow accumulation up to 1 inch. Chance
of snow 70 percent.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......5 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......27 percent drier.
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.10 percent until 1200, then zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1100, then 3400-5400 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows around 18. Winds generally
less than 10 mph.
.SATURDAY...Not as cool. Mostly clear. Lows in the mid 20s. Highs
in the mid 40s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy with scattered showers and isolated snow
showers. Lows around 30. Highs in the upper 50s. West winds
around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with isolated showers.
Lows in the lower 30s. Highs 55 to 60.
$$
WYZ275-172200-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
527 AM MDT Thu Apr 17 2025
.TODAY...
Sky/weather.........Cloudy. Areas of blowing snow in the morning.
Areas of blowing snow in the afternoon. Snow
showers through the day. Snow accumulation up
to 4 inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......34 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......40 percent wetter.
20-foot winds.......Windy. North winds around 30 mph with gusts to
around 45 mph.
Ridge top winds.....North around 35 mph.
Chc of wetting rain.65 percent until 1200, then 45 percent.
Transport winds.....North around 35 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow until early
morning. Snow showers early in the evening.
Numerous snow showers in the evening, then
scattered snow showers late in the evening.
Snow accumulation up to 1 inch. Chance of snow
90 percent.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......4 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......12 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. North winds 20 to 25 mph. Gusts up to
40 mph until 2400, then 30 mph.
Ridge top winds.....North 25 to 30 mph.
Chc of wetting rain.7 percent.
Transport winds.....North 25 to 30 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600-1200 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers early in the morning,
then isolated snow showers. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......4 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......21 percent drier.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 20 to 25 mph.
Mixing Height.......800-2800 ft agl until 1000, then 4400-6400 ft
agl.
Smoke dispersal.....Good to very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the lower 20s. South winds
around 10 mph.
.SATURDAY...Warmer. Mostly clear. Lows around 30. Highs around
50. South winds around 10 mph.
.SUNDAY...Partly cloudy with isolated showers. Lows in the lower
30s. Highs in the mid 50s. South winds around 10 mph.
.MONDAY...Partly cloudy with scattered showers and snow showers.
Lows in the lower 30s. Highs in the upper 50s. West winds around
10 mph.
.TUESDAY...Partly cloudy with isolated showers and snow showers.
Lows in the mid 30s. Highs in the mid 50s.
.WEDNESDAY...Partly cloudy with isolated showers. Highs in the
upper 50s.
$$
WYZ276-172200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
527 AM MDT Thu Apr 17 2025
...WINTER STORM WARNING IN EFFECT UNTIL 3 AM MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Patchy blowing snow early in the
morning. Areas of blowing snow early in the
morning, then blowing snow in the afternoon.
Numerous snow showers early in the morning.
Snow showers. Snow accumulation of 1 to 6
inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....29-34.
24 hr trend......34 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......46 percent wetter.
20-foot winds.......Windy. North winds 30 to 35 mph with gusts to
around 50 mph.
Ridge top winds.....North 35 to 40 mph.
Chc of wetting rain.70 percent.
Transport winds.....North 35 to 40 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Cloudy. Areas of blowing snow early in the
evening. Patchy blowing snow in the late
evening and overnight. Snow showers early in
the evening. Numerous snow showers early in the
evening. Scattered snow showers after midnight.
Snow accumulation up to 4 inches. Chance of
snow 90 percent.
Chance of thunder...0 percent.
Min temperature.....19-24.
24 hr trend......4 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Windy. North winds 25 to 30 mph with gusts to
around 45 mph until 2400, then around 20 mph
with gusts to around 30 mph.
Ridge top winds.....North 30 to 35 mph until 2300, then 20 to 25
mph.
Chc of wetting rain.40 percent until 2400, then 20 percent.
Transport winds.....North 30 to 35 mph until 2300, then 20 to 25
mph.
Mixing Height.......1400-3400 ft agl until 2400, then 1000-1400 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers early in the morning.
Isolated snow showers in the morning. Patchy
blowing snow until late afternoon. Chance of
snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....34-39.
24 hr trend......5 degrees warmer.
Min humidity........38-44 percent.
24 hr trend......22 percent drier.
20-foot winds.......North winds 15 to 20 mph with gusts to around
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.......1200-3200 ft agl until 1000, then 3600-5600 ft
agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the lower 20s. Southwest
winds around 10 mph.
.SATURDAY...Not as cool. Mostly clear. Lows in the lower 30s.
Highs in the upper 40s. Southwest winds around 10 mph.
.SUNDAY THROUGH MONDAY...Partly cloudy with scattered showers and
snow showers. Lows 28 to 33. Highs in the mid 50s. West winds
around 10 mph.
.TUESDAY...Partly cloudy with isolated showers and snow showers.
Lows in the lower 30s. Highs in the lower 50s.
.WEDNESDAY...Partly cloudy. Isolated showers in the afternoon.
Highs in the lower 50s.
$$
WYZ287-172200-
Owl Creek Mountains-
527 AM MDT Thu Apr 17 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Patchy blowing snow early in the
morning. Blowing snow. Snow showers through the
day. Snow accumulation of 2 to 10 inches.
Chance of snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....27-32.
24 hr trend......34 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......57 percent wetter.
20-foot winds.......Windy. North winds 30 to 35 mph with gusts to
around 50 mph.
Ridge top winds.....North 35 to 40 mph.
Chc of wetting rain.92 percent.
Transport winds.....North 35 to 40 mph.
Mixing Height.......1200-3000 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Cloudy. Areas of blowing snow early in the
evening. Blowing snow early in the evening,
then patchy blowing snow after midnight. Snow
showers through the night. Snow accumulation of
1 to 8 inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Min temperature.....17-22.
24 hr trend......4 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Windy. North winds 30 to 35 mph with gusts to
around 45 mph until 0300, then around 25 mph
with gusts to around 35 mph.
Ridge top winds.....North 35 to 40 mph until 0200, then around 30
mph.
Chc of wetting rain.85 percent until 2400, then 65 percent.
Transport winds.....North 35 to 40 mph until 0200, then around 30
mph.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Cloudy then becoming partly cloudy. Patchy
blowing snow until late afternoon. Numerous
snow showers in the morning. Scattered snow
showers late in the morning, then isolated snow
showers late in the afternoon. Snow
accumulation up to 2 inches. Chance of snow 70
percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......2 degrees warmer.
Min humidity........49-55 percent.
24 hr trend......20 percent drier.
20-foot winds.......Breezy. North winds 20 to 25 mph with gusts to
around 35 mph until 1500, then around 15 mph
with higher gusts.
Ridge top winds.....North 25 to 30 mph until 1400, then 15 to 20
mph.
Chc of wetting rain.30 percent until 1200, then zero percent.
Transport winds.....North 25 to 30 mph until 1400, then 15 to 20
mph.
Mixing Height.......1200-3200 ft agl until 1200, then 3000-4800 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows around 17. Winds generally
less than 10 mph.
.SATURDAY...Mostly clear. Lows in the upper 20s. Highs around 40.
Southwest winds around 10 mph.
.SUNDAY...Partly cloudy with isolated showers and snow showers.
Lows in the lower 30s. Highs in the upper 40s. Southwest winds
around 10 mph.
.MONDAY...Partly cloudy with scattered showers and snow showers.
Lows in the upper 20s. Highs in the lower 50s. West winds around
10 mph.
.TUESDAY...Partly cloudy. Isolated showers and snow showers. Lows
in the lower 30s. Highs around 50.
.WEDNESDAY...Partly cloudy. Isolated showers and snow showers in
the morning, then scattered showers in the afternoon. Highs in
the lower 50s.
$$
WYZ286-172200-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
527 AM MDT Thu Apr 17 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Patchy blowing snow. Snow showers. Snow
accumulation of 1 to 7 inches. Chance of snow
near 100 percent.
Chance of thunder...0 percent.
Max temperature.....26-31.
24 hr trend......26 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......34 percent wetter.
20-foot winds.......Breezy. Northeast winds 20 to 25 mph. Gusts up
to 30 mph until 0900, then 45 mph.
Ridge top winds.....East 20 to 25 mph until 1100, then northeast
around 30 mph.
Chc of wetting rain.80 percent.
Transport winds.....Northeast 25 to 30 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Patchy blowing snow until early
morning. Patchy blowing snow early in the
morning. Snow showers in the evening. Numerous
snow showers late in the evening, then
scattered snow showers after midnight. Snow
accumulation up to 6 inches. Chance of snow
near 100 percent.
Chance of thunder...0 percent.
Min temperature.....12-17.
24 hr trend......7 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......17 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northeast winds 20 to 25 mph with gusts
to around 40 mph until 2400, then around 15 mph
with gusts to around 30 mph.
Ridge top winds.....Northeast 25 to 30 mph until 2400, then around
20 mph.
Chc of wetting rain.45 percent until 2400, then 25 percent.
Transport winds.....Northeast 25 to 30 mph until 0100, then around
20 mph.
Mixing Height.......1200-3200 ft agl until 2100, then 400-1200 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers. Isolated snow showers
late in the afternoon. Patchy blowing snow in
the afternoon. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....29-34.
24 hr trend......1 degree warmer.
Min humidity........44-50 percent.
24 hr trend......11 percent drier.
20-foot winds.......Northeast winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northeast around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northeast around 20 mph.
Mixing Height.......3000-5000 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows around 12. Southwest winds
around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs around 40.
West winds around 10 mph.
.SUNDAY...Partly cloudy with scattered snow showers and isolated
thunderstorms. Lows in the mid 20s. Highs in the lower 40s. West
winds around 10 mph.
.MONDAY...Partly cloudy with numerous snow showers. Lows in the
lower 20s. Highs around 40. West winds around 15 mph.
.TUESDAY...Partly cloudy with scattered snow showers. Lows in the
mid 20s. Highs in the lower 40s.
.WEDNESDAY...Partly cloudy. Isolated snow showers in the morning,
then scattered snow showers and showers in the afternoon. Highs
in the mid 40s.
$$
WYZ140-172200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
527 AM MDT Thu Apr 17 2025
.TODAY...
Sky/weather.........Cloudy. Numerous snow showers early in the
morning, then snow showers until late
afternoon. Numerous snow showers late in the
afternoon. Patchy blowing snow in the late
morning and afternoon. Snow accumulation of 1
to 5 inches. Chance of snow 90 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......23 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......33 percent wetter.
20-foot winds.......Northeast winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northeast 15 to 20 mph.
Chc of wetting rain.70 percent until 1200, then 55 percent.
Transport winds.....Northeast 15 to 20 mph until 1400, then around
25 mph.
Mixing Height.......2000-4000 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Patchy blowing snow in the
evening. Numerous snow showers early in the
evening. Scattered snow showers in the late
evening and early morning, then isolated snow
showers early in the morning. Snow accumulation
up to 1 inch. Chance of snow 70 percent.
Chance of thunder...0 percent.
Min temperature.....12-17.
24 hr trend......9 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......21 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph. Gusts up to 30
mph until 0300, then 20 mph.
Ridge top winds.....Northeast 15 to 20 mph.
Chc of wetting rain.7 percent.
Transport winds.....Northeast 20 to 25 mph until 0400, then around
15 mph.
Mixing Height.......2600-3600 ft agl until 2000, then 400-1400 ft
agl.
Smoke dispersal.....Fair to good until 2000, then poor.
.FRIDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated snow showers in the morning. Chance of
snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....33-38.
24 hr trend......3 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......19 percent drier.
20-foot winds.......Northeast winds around 10 mph with higher
gusts.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......400-2200 ft agl until 0900, then 4200-6200 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows around 11. Winds generally
less than 10 mph.
.SATURDAY...Partly cloudy. Isolated snow showers. Lows in the
lower 20s. Highs in the lower 40s. Winds generally less than
10 mph.
.SUNDAY...Partly cloudy. Numerous snow showers and isolated
thunderstorms. Lows in the mid 20s. Highs in the lower 40s.
Southwest winds around 10 mph.
.MONDAY...Partly cloudy with numerous snow showers. Lows around
19. Highs around 40. Southwest winds around 10 mph.
.TUESDAY...Partly cloudy with isolated snow showers. Lows in the
lower 20s. Highs in the lower 40s.
.WEDNESDAY...Mostly cloudy. Isolated snow showers in the morning,
then scattered snow showers and showers in the afternoon. Highs
in the mid 40s.
$$
WYZ415-172200-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
527 AM MDT Thu Apr 17 2025
.TODAY...
Sky/weather.........Cloudy. Numerous rain showers in the morning.
Snow showers through the day. Isolated
thunderstorms in the afternoon. Patchy blowing
snow early in the afternoon. Snow accumulation
up to 4 inches. Chance of precipitation 90
percent.
Chance of thunder...20 percent.
Max temperature.....34-39.
24 hr trend......18 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......36 percent wetter.
20-foot winds.......South winds around 10 mph with higher gusts
until 1200, then northeast with gusts to around
30 mph.
Ridge top winds.....South around 15 mph until 1100, then north
until 1600, then northeast.
Chc of wetting rain.55 percent until 1200, then 75 percent.
Transport winds.....South around 15 mph until 1000, then north
until 1200, then northeast until 1700, then
around 25 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow until early
morning. Patchy blowing snow early in the
morning. Snow showers in the evening. Numerous
snow showers late in the evening, then
scattered snow showers after midnight. Snow
accumulation up to 5 inches. Chance of snow 90
percent.
Chance of thunder...0 percent.
Min temperature.....12-17.
24 hr trend......12 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......18 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Northeast 20 to 25 mph.
Chc of wetting rain.55 percent until 2400, then 15 percent.
Transport winds.....Northeast 20 to 25 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers in the
morning. Isolated snow showers in the
afternoon. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......2 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......18 percent drier.
20-foot winds.......Northeast winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northeast 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing Height.......1200-3200 ft agl until 1000, then 4400-6400 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows around 11. Winds generally
less than 10 mph.
.SATURDAY...Partly cloudy. Isolated snow showers. Lows in the
lower 20s. Highs around 40. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy with scattered snow showers and showers.
Lows in the lower 20s. Highs in the lower 40s. Southwest winds
around 10 mph.
.MONDAY...Partly cloudy with scattered snow showers. Lows around
20. Highs around 40. Southwest winds around 10 mph.
.TUESDAY...Partly cloudy with isolated snow showers. Lows in the
mid 20s. Highs in the lower 40s.
.WEDNESDAY...Partly cloudy. Isolated snow showers and showers in
the morning, then scattered showers and snow showers in the
afternoon. Highs in the mid 40s.
$$
WYZ416-172200-
West Wind River Mountains/East Zone Bridger Teton NF-
527 AM MDT Thu Apr 17 2025
.TODAY...
Sky/weather.........Cloudy. Numerous snow showers early in the
morning, then snow showers. Patchy blowing snow
late in the afternoon. Snow accumulation of 2
to 7 inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......13 degrees cooler.
Min humidity........55-61 percent.
24 hr trend......35 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds
southeast around 15 mph with gusts to around 25
mph after 1500.
Ridge top winds.....South 10 to 15 mph until 1100, then southwest
15 to 20 mph until 1600, then southeast.
Chc of wetting rain.85 percent until 1200, then 95 percent.
Transport winds.....South 10 to 15 mph until 1200, then east 15 to
20 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Cloudy. Areas of blowing snow in the evening.
Patchy blowing snow after midnight. Snow
showers in the evening. Numerous snow showers
after midnight. Scattered snow showers early in
the morning. Snow accumulation of 2 to 6
inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Min temperature.....10-15.
24 hr trend......15 degrees cooler.
Max humidity........71-77 percent.
24 hr trend......19 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Northeast 20 to 25 mph.
Chc of wetting rain.85 percent until 2400, then 30 percent.
Transport winds.....Northeast 20 to 25 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow until late
afternoon. Scattered snow showers until late
afternoon. Isolated snow showers late in the
afternoon. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....27-32.
24 hr trend......8 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......13 percent drier.
20-foot winds.......Northeast winds 15 to 20 mph with gusts to
around 30 mph until 1500, then north around 10
mph with higher gusts.
Ridge top winds.....Northeast 20 to 25 mph until 1600, then north
around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....Northeast 20 to 25 mph until 1600, then around
15 mph.
Mixing Height.......1000-3000 ft agl until 1100, then 3200-5200 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Lows around 7. Winds generally less than 10 mph.
.SATURDAY...Mostly clear. Lows around 18. Highs in the mid 30s.
West winds around 10 mph.
.SUNDAY...Partly cloudy with scattered snow showers. Lows in the
lower 20s. Highs in the upper 30s. West winds around 10 mph.
.MONDAY...Partly cloudy with scattered snow showers. Lows around
18. Highs in the upper 30s. West winds around 10 mph.
.TUESDAY...Partly cloudy. Isolated snow showers. Lows in the
lower 20s. Highs around 40.
.WEDNESDAY...Partly cloudy. Isolated snow showers in the morning,
then scattered snow showers and showers in the afternoon. Highs
in the lower 40s.
$$
WYZ288-172200-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
527 AM MDT Thu Apr 17 2025
...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Snow showers through the day. Patchy
blowing snow late in the morning. Areas of
blowing snow early in the afternoon, then
blowing snow late in the afternoon. Snow
accumulation of 4 to 11 inches. Chance of snow
near 100 percent.
Chance of thunder...0 percent.
Max temperature.....30-35.
24 hr trend......23 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......44 percent wetter.
20-foot winds.......East winds 10 to 15 mph with gusts to around 30
mph until 1200, then around 20 mph with gusts
to around 35 mph.
Ridge top winds.....East 15 to 20 mph until 1100, then around 25
mph.
Chc of wetting rain.92 percent.
Transport winds.....East 15 to 20 mph until 1100, then northeast
around 25 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Blowing snow in the evening. Areas of
blowing snow after midnight. Snow showers
through the night. Snow accumulation of 1 to 10
inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Min temperature.....10-15.
24 hr trend......14 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northeast winds 20 to 25 mph with gusts
to around 35 mph.
Ridge top winds.....Northeast 25 to 30 mph.
Chc of wetting rain.85 percent until 2400, then 70 percent.
Transport winds.....Northeast 25 to 30 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Areas of blowing snow in the
morning. Areas of blowing snow late in the
morning, then patchy blowing snow in the
afternoon. Snow showers early in the morning.
Numerous snow showers in the late morning and
early afternoon. Scattered snow showers early
in the afternoon. Snow accumulation up to 4
inches. Chance of snow 90 percent.
Chance of thunder...0 percent.
Max temperature.....23-28.
24 hr trend......5 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......6 percent drier.
20-foot winds.......Northeast winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Northeast 25 to 30 mph until 1600, then around
20 mph.
Chc of wetting rain.50 percent until 1200, then 15 percent.
Transport winds.....Northeast 25 to 30 mph until 1600, then around
20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 2200-3600 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Lows around 10. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 20s. Highs in the mid
30s. West winds around 10 mph.
.SUNDAY...Partly cloudy with scattered snow showers. Lows in the
mid 20s. Highs around 40. West winds around 10 mph.
.MONDAY...Mostly clear with scattered snow showers. Lows in the
lower 20s. Highs in the lower 40s. West winds around 15 mph.
.TUESDAY...Partly cloudy. Isolated snow showers and showers. Lows
in the upper 20s. Highs in the mid 40s.
.WEDNESDAY...Partly cloudy. Isolated snow showers in the morning,
then scattered showers and snow showers in the afternoon. Highs
in the upper 40s.
$$
WYZ414-172200-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
527 AM MDT Thu Apr 17 2025
.TODAY...
Sky/weather.........Cloudy. Snow showers and rain showers through
the day. Isolated thunderstorms in the
afternoon. Snow accumulation up to 4 inches.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Max temperature.....35-40.
24 hr trend......16 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......38 percent wetter.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 25 mph.
Ridge top winds.....West 10 to 15 mph until 1300, then around 20
mph.
Chc of wetting rain.80 percent until 1200, then 65 percent.
Transport winds.....Southwest 10 to 15 mph until 0900, then west 15
to 20 mph.
Mixing Height.......800-2800 ft agl until 1400, then 2800-4000 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Cloudy. Isolated thunderstorms early in the
evening. Snow showers. Numerous snow showers
early in the morning. Patchy blowing snow late
in the evening. Snow accumulation of 1 to 6
inches. Chance of precipitation 90 percent.
Chance of thunder...20 percent.
Min temperature.....15-20.
24 hr trend......11 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......18 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 15 mph until 2100, then
northeast. Gusts up to 25 mph.
Ridge top winds.....Northwest around 20 mph until 2200, then
northeast.
Chc of wetting rain.80 percent until 2400, then 60 percent.
Transport winds.....Southwest 15 to 20 mph until 2000, then east.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Numerous snow showers in the
morning, then scattered snow showers late in
the morning. Snow accumulation up to 2 inches.
Chance of snow 70 percent.
Chance of thunder...0 percent.
Max temperature.....30-35.
24 hr trend......6 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......11 percent drier.
20-foot winds.......Northeast winds 10 to 15 mph until 1500, then
northwest. Gusts up to 25 mph.
Ridge top winds.....Northeast 15 to 20 mph until 1500, then
northwest.
Chc of wetting rain.17 percent.
Transport winds.....Northeast 15 to 20 mph until 1500, then north.
Mixing Height.......1000-3000 ft agl until 1100, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Lows around 13. Winds generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 20s. Highs in the
upper 30s. West winds around 10 mph.
.SUNDAY...Partly cloudy with scattered snow showers and showers.
Lows in the mid 20s. Highs in the lower 40s. Southwest winds
around 10 mph.
.MONDAY...Partly cloudy with scattered snow showers. Lows in the
lower 20s. Highs in the lower 40s. West winds around 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and snow showers. Lows
in the upper 20s. Highs in the mid 40s.
.WEDNESDAY...Partly cloudy. Isolated showers and snow showers in
the morning, then scattered showers, snow showers and isolated
thunderstorms in the afternoon. Highs in the upper 40s.
$$
WYZ278-172200-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
527 AM MDT Thu Apr 17 2025
.TODAY...
Sky/weather.........Cloudy. Snow showers and rain showers through
the day. Isolated thunderstorms in the
afternoon. Patchy blowing snow late in the
afternoon. Snow accumulation up to 3 inches.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Max temperature.....36-41.
24 hr trend......20 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......44 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 15 to 20 mph with gusts to around 30
mph.
Ridge top winds.....South 10 to 15 mph until 1100. Around 25 mph
after 1600.
Chc of wetting rain.77 percent.
Transport winds.....Southeast 10 to 15 mph until 1000, then south
around 20 mph until 1200, then southwest until
1400, then south.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Cloudy. Snow showers and isolated thunderstorms
early in the evening. Numerous snow showers in
the late evening and overnight, then scattered
snow showers early in the morning. Patchy
blowing snow. Snow accumulation of 1 to 5
inches. Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Min temperature.....15-20.
24 hr trend......11 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......21 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast winds around 20 mph until 2400, then
northeast. Gusts up to 30 mph.
Ridge top winds.....Southeast around 25 mph until 2100. Northeast
after 0500.
Chc of wetting rain.60 percent until 2400, then 30 percent.
Transport winds.....East around 25 mph until 0200, then northeast.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.FRIDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers in the
morning. Isolated snow showers in the
afternoon. Patchy blowing snow. Chance of snow
50 percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......6 degrees cooler.
Min humidity........52-58 percent.
24 hr trend......16 percent drier.
20-foot winds.......Northeast winds 15 to 20 mph until 1500, then
east. Gusts up to 30 mph.
Ridge top winds.....Northeast 20 to 25 mph until 1500, then east.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast 20 to 25 mph.
Mixing Height.......1400-3400 ft agl until 1100, then 3400-5000 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows around 13. East winds around
10 mph.
.SATURDAY...Mostly clear. Lows around 20. Highs in the lower 40s.
Northwest winds around 10 mph.
.SUNDAY...Partly cloudy with isolated snow showers. Lows in the
mid 20s. Highs in the upper 40s. West winds around 10 mph.
.MONDAY...Partly cloudy with isolated showers and snow showers.
Lows in the lower 20s. Highs in the upper 40s. West winds around
10 mph.
.TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the
lower 50s.
.WEDNESDAY...Partly cloudy. Isolated snow showers in the morning,
then isolated showers and thunderstorms in the afternoon. Highs
in the mid 50s.
$$
WYZ277-172200-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
527 AM MDT Thu Apr 17 2025
.TODAY...
Sky/weather.........Mostly cloudy. Rain showers and snow showers
through the day. Isolated thunderstorms in the
afternoon. Snow accumulation up to 2 inches.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Max temperature.....37-42.
24 hr trend......19 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......35 percent wetter.
20-foot winds.......West 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.....West 10 to 15 mph until 1100, then 20 to 25
mph.
Chc of wetting rain.80 percent until 1200, then 35 percent.
Transport winds.....Southwest 10 to 15 mph until 1000, then west 20
to 25 mph.
Mixing Height.......600-2600 ft agl until 1300, then 3400-5400 ft
agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Cloudy. Isolated thunderstorms early in the
evening. Numerous snow showers through the
night. Patchy blowing snow in the late evening
and overnight. Snow accumulation of 1 to 4
inches. Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....17-22.
24 hr trend......10 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......17 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph until 2400, then east.
Gusts up to 30 mph.
Ridge top winds.....West around 20 mph until 2300, then east.
Chc of wetting rain.55 percent.
Transport winds.....Southwest around 20 mph until 2000, then
southeast until 0200, then east.
Mixing Height.......2000-4000 ft agl until 2200, then 1200-2400 ft
agl.
Smoke dispersal.....Poor to fair.
.FRIDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow through the
day. Numerous snow showers early in the
morning. Scattered snow showers in the late
morning and early afternoon, then isolated snow
showers late in the afternoon. Snow
accumulation up to 2 inches. Chance of snow 70
percent.
Chance of thunder...0 percent.
Max temperature.....29-34.
24 hr trend......7 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......3 percent drier.
20-foot winds.......East winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....East 20 to 25 mph.
Chc of wetting rain.20 percent until 1200, then 5 percent.
Transport winds.....East 20 to 25 mph.
Mixing Height.......1400-3400 ft agl until 1100, then 3400-5000 ft
agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows around 14. East winds around
10 mph.
.SATURDAY...Mostly clear. Lows in the lower 20s. Highs in the
lower 40s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Scattered showers and isolated snow
showers. Lows in the upper 20s. Highs in the upper 40s. West
winds around 10 mph.
.MONDAY...Partly cloudy with scattered snow showers and showers.
Lows in the mid 20s. Highs around 50. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s.
.WEDNESDAY...Partly cloudy. Isolated showers and snow showers in
the morning, then scattered showers and isolated thunderstorms in
the afternoon. Highs in the upper 50s.
$$
WYZ279-172200-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
527 AM MDT Thu Apr 17 2025
.TODAY...
Sky/weather.........Mostly cloudy. Rain showers, snow showers and
isolated thunderstorms through the day. Patchy
blowing snow early in the afternoon. Snow
accumulation up to 2 inches. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Max temperature.....45-50.
24 hr trend......18 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......51 percent wetter.
20-foot winds.......Breezy. South winds 10 to 15 mph with gusts to
around 25 mph until 1200, then northwest 20 to
25 mph with gusts to around 35 mph.
Ridge top winds.....South 15 to 20 mph until 1100, then west around
25 mph until 1400, then north.
Chc of wetting rain.60 percent until 1200, then 85 percent.
Transport winds.....South 10 to 15 mph until 0900, then southwest
20 to 25 mph until 1200, then west 25 to 30 mph
until 1400, then north until 1700, then
northeast.
Mixing Height.......400-2000 ft agl until 1000, then 2000-4000 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow early in the
evening. Patchy blowing snow in the late
evening and overnight. Snow showers in the
evening. Isolated thunderstorms through the
night. Numerous snow showers after midnight.
Snow accumulation of 1 to 4 inches. Chance of
precipitation 90 percent.
Chance of thunder...20 percent.
Min temperature.....17-22.
24 hr trend......17 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northeast winds around 25 mph with
gusts to around 35 mph.
Ridge top winds.....Northeast around 30 mph.
Chc of wetting rain.60 percent until 2400, then 50 percent.
Transport winds.....Northeast around 30 mph.
Mixing Height.......1200-2800 ft agl.
Smoke dispersal.....Poor to fair.
.FRIDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow in the
morning. Patchy blowing snow in the afternoon.
Numerous snow showers early in the morning.
Scattered snow showers in the late morning and
early afternoon. Isolated snow showers late in
the afternoon. Snow accumulation up to 1 inch.
Chance of snow 70 percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......14 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......Unchanged.
20-foot winds.......Windy. Northeast winds 25 to 30 mph with gusts
to around 40 mph.
Ridge top winds.....Northeast 30 to 35 mph.
Chc of wetting rain.25 percent until 1200, then 5 percent.
Transport winds.....Northeast 30 to 35 mph.
Mixing Height.......2400-4400 ft agl.
Smoke dispersal.....Good to very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Patchy blowing snow in the evening. Lows around 14.
Northeast winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs around 40.
West winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 30. Highs around 50. West
winds around 10 mph.
.MONDAY...Partly cloudy with isolated showers and snow showers.
Lows around 30. Highs in the mid 50s. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the
upper 50s.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms in
the afternoon. Highs in the lower 60s.
$$
WYZ289-172200-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
527 AM MDT Thu Apr 17 2025
...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Numerous rain showers early in the
morning. Snow showers through the day. Rain
showers early in the morning. Patchy blowing
snow in the late morning and early afternoon.
Areas of blowing snow late in the afternoon,
then patchy blowing snow late in the afternoon.
Snow accumulation of 2 to 7 inches. Chance of
precipitation near 100 percent.
Chance of thunder...0 percent.
Max temperature.....33-38.
24 hr trend......28 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......57 percent wetter.
20-foot winds.......Breezy. Northeast winds 15 to 20 mph with gusts
to around 30 mph until 1200, then around 25 mph
with gusts to around 40 mph.
Ridge top winds.....East 15 to 20 mph until 0900, then northeast 25
to 30 mph.
Chc of wetting rain.85 percent until 1200, then 95 percent.
Transport winds.....Northeast 15 to 20 mph until 0900, then 25 to
30 mph.
Mixing Height.......800-2400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Cloudy. Patchy blowing snow. Snow showers. Snow
accumulation of 2 to 8 inches. Chance of snow
near 100 percent.
Chance of thunder...0 percent.
Min temperature.....16-21.
24 hr trend......14 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northeast winds around 25 mph with
gusts to around 40 mph.
Ridge top winds.....Northeast around 30 mph.
Chc of wetting rain.77 percent.
Transport winds.....Northeast around 30 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor to fair.
.FRIDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow in the
morning. Patchy blowing snow late in the
morning. Snow showers early in the morning.
Numerous snow showers late in the morning.
Scattered snow showers in the afternoon. Snow
accumulation up to 2 inches. Chance of snow 90
percent.
Chance of thunder...0 percent.
Max temperature.....25-30.
24 hr trend......7 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......5 percent drier.
20-foot winds.......Breezy. Northeast winds 20 to 25 mph with gusts
to around 40 mph.
Ridge top winds.....Northeast 25 to 30 mph until 1700, then around
20 mph.
Chc of wetting rain.45 percent until 1200, then 5 percent.
Transport winds.....Northeast 25 to 30 mph until 1700, then around
20 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Lows around 11. Northeast winds around 10 mph.
.SATURDAY...Mostly clear. Lows around 20. Highs in the mid 30s.
Southwest winds around 10 mph.
.SUNDAY...Partly cloudy with isolated snow showers. Lows in the
upper 20s. Highs in the mid 40s. Southwest winds around 10 mph.
.MONDAY...Partly cloudy with isolated showers and snow showers.
Lows in the upper 20s. Highs in the upper 40s. Southwest winds
around 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and snow showers. Lows
in the lower 30s. Highs in the lower 50s.
.WEDNESDAY...Partly cloudy. Scattered showers in the afternoon.
Highs in the upper 50s.
$$
WYZ300-172200-
Casper Mountain-
527 AM MDT Thu Apr 17 2025
...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...
.TODAY...
Sky/weather.........Cloudy. Patchy blowing snow in the morning.
Blowing snow in the afternoon. Numerous rain
showers in the morning. Snow showers through
the day. Snow accumulation of 2 to 8 inches.
Chance of precipitation near 100 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......27 degrees cooler.
Min humidity........78-84 percent.
24 hr trend......66 percent wetter.
20-foot winds.......North winds 10 to 15 mph with gusts to around
25 mph until 1200, then northeast around 20 mph
with gusts to around 35 mph.
Ridge top winds.....North 15 to 20 mph until 1300, then northeast
around 25 mph.
Chc of wetting rain.65 percent until 1200, then 90 percent.
Transport winds.....Northeast 15 to 20 mph until 1300, then 25 to
30 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Blowing snow. Snow showers. Snow
accumulation of 3 to 12 inches. Chance of snow
near 100 percent.
Chance of thunder...0 percent.
Min temperature.....16-21.
24 hr trend......13 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 20 mph with gusts to
around 35 mph.
Ridge top winds.....Northeast 20 to 25 mph.
Chc of wetting rain.90 percent.
Transport winds.....Northeast 25 to 30 mph.
Mixing Height.......600-1800 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Cloudy. Areas of blowing snow early in the
morning. Patchy blowing snow late in the
morning. Snow showers early in the morning.
Numerous snow showers in the late morning and
early afternoon, then scattered snow showers
early in the afternoon. Snow accumulation up to
4 inches. Chance of snow 90 percent.
Chance of thunder...0 percent.
Max temperature.....24-29.
24 hr trend......8 degrees cooler.
Min humidity........79-85 percent.
24 hr trend......5 percent drier.
20-foot winds.......Northeast winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northeast 15 to 20 mph.
Chc of wetting rain.60 percent until 1200, then 15 percent.
Transport winds.....Northeast 20 to 25 mph until 1700, then around
15 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Scattered snow showers in the
evening. Lows around 12. Winds generally less than 10 mph.
.SATURDAY...Mostly clear. Lows around 19. Highs in the mid 30s.
South winds around 10 mph.
.SUNDAY...Partly cloudy. Lows in the upper 20s. Highs in the
lower 40s. Southwest winds around 10 mph.
.MONDAY...Partly cloudy with isolated showers and snow showers.
Lows in the upper 20s. Highs in the upper 40s. Southwest winds
around 10 mph.
.TUESDAY...Partly cloudy with isolated showers and snow showers.
Lows around 30. Highs in the upper 40s.
.WEDNESDAY...Partly cloudy. Scattered showers in the afternoon.
Highs in the mid 50s.
$$