Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
704
FNUS55 KRIW 031202
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
501 AM MST Wed Dec 3 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 2026.***
---Thunderstorms imply strong gusty and erratic winds---
WYZ280-032300-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Patchy fog early in the
morning. Chance of snow showers early in the
morning. Slight chance of snow showers late in
the morning. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....24-29.
24 hr trend......12 degrees cooler.
Min humidity........63-69 percent.
24 hr trend......17 percent wetter.
20-foot winds.......North winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast 10 to 15 mph until 1300, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North 10 to 15 mph until 1200, then west.
Mixing Height.......1000-3000 ft agl until 1700, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....11-16.
24 hr trend......4 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 15
mph until 2400, then 20 mph.
Ridge top winds.....Southwest 10 to 15 mph until 0200, then around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 0100, then around
20 mph.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......7 degrees warmer.
Min humidity........52-58 percent.
24 hr trend......12 percent drier.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers
after midnight. Lows around 18. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
snow showers. Lows 18 to 23. Highs 35 to 40. West winds around
15 mph.
.SUNDAY...Partly cloudy. Lows in the mid 20s. Highs in the upper
30s. Southwest winds around 15 mph.
.MONDAY...Partly cloudy. Lows in the mid 20s. Highs in the mid
40s.
.TUESDAY...Mostly cloudy. Highs in the upper 40s.
$$
WYZ283-032300-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Slight chance of snow
showers early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......12 degrees cooler.
Min humidity........55-61 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest around 10 mph until 1000, then east
until 1300, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 1600, then south.
Mixing Height.......600-2600 ft agl until 1200, then 1400-3400 ft
agl until 1700, then 600-800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....11-16.
24 hr trend......5 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
west around 10 mph with gusts to around 15 mph.
Ridge top winds.....South around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......5 degrees warmer.
Min humidity........54-60 percent.
24 hr trend......12 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero 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. Lows around 17. West winds
around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows in the
lower 20s. Highs in the mid 30s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows around 20. Highs in the lower 40s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Lows in the mid 20s. Highs around 40.
Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the mid 20s.
Highs 44 to 49.
$$
WYZ285-032300-
South Bighorn Mountains-
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Patchy fog early in the morning. Chance of snow
showers early in the morning. Slight chance of
snow showers late in the morning. Chance of
snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....22-27.
24 hr trend......12 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......20 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......200-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....14-19.
24 hr trend......Unchanged.
Max humidity........78-84 percent.
24 hr trend......17 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph and gusty.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......200-400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......6 degrees warmer.
Min humidity........53-59 percent.
24 hr trend......11 percent drier.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of snow showers
after midnight. Lows around 19. West winds around 10 mph.
.FRIDAY...Mostly cloudy. Slight chance of snow showers. Lows
around 20. Highs in the upper 20s. West winds around 15 mph.
.SATURDAY...Partly cloudy. Slight chance of snow showers. Lows
around 20. Highs in the lower 30s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Lows in the mid 20s. Highs in the lower
30s. West winds around 15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the mid 20s.
Highs 37 to 42.
$$
WYZ281-032300-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Patchy fog early in the
morning. Chance of snow showers in the morning.
Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....23-28.
24 hr trend......11 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......18 percent wetter.
20-foot winds.......North winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1500, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph until 1000, then southeast
until 1200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph until 1200, then southwest.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....15-20.
24 hr trend......1 degree warmer.
Max humidity........81-87 percent.
24 hr trend......12 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
afternoon. Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....34-39.
24 hr trend......10 degrees warmer.
Min humidity........52-58 percent.
24 hr trend......14 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow
showers. Lows around 20. Winds generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly cloudy with slight chance of
snow showers. Lows in the lower 20s. Highs 35 to 40. West winds
around 10 mph.
.SUNDAY...Partly cloudy. Lows in the mid 20s. Highs in the lower
40s. Southwest winds around 10 mph.
.MONDAY...Partly cloudy. Lows in the mid 20s. Highs in the mid
40s.
.TUESDAY...Mostly cloudy. Highs in the upper 40s.
$$
WYZ282-032300-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....23-28.
24 hr trend......11 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West 10 to 15 mph until 1100. Southeast after
1300.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 1500, then
southeast.
Mixing Height.......600-2600 ft agl until 1700, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....11-16.
24 hr trend......5 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
mph until 2100, then 10 mph after 2400 until
0300.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....29-34.
24 hr trend......4 degrees warmer.
Min humidity........50-56 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. 10 mph after 1200
until 1500.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers
after midnight. Lows around 18. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy. Slight chance of snow showers. Lows in
the lower 20s. Highs in the mid 30s. Winds generally less than
10 mph.
.SATURDAY...Partly cloudy. Slight chance of snow showers. Lows
around 19. Highs in the upper 30s. Winds generally less than
10 mph.
.SUNDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 30s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the mid 20s. Highs in the lower
40s.
.TUESDAY...Mostly cloudy. Highs in the upper 40s.
$$
WYZ275-032300-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....22-27.
24 hr trend......7 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......19 percent wetter.
20-foot winds.......West winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph.
Ridge top winds.....West 10 to 15 mph until 1000. Southeast after
1300.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 1200, then west
until 1300, then southeast.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....13-18.
24 hr trend......2 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
afternoon. Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......3 degrees warmer.
Min humidity........57-63 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph until 1500, then upslope/upvalley
5-9 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow
showers. Lows around 19. Winds generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly cloudy with chance of snow
showers. Lows 18 to 23. Highs 33 to 38. Winds generally less than
10 mph.
.SUNDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 30s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the mid 20s. Highs around 40.
.TUESDAY...Mostly cloudy. Slight chance of showers and snow
showers in the afternoon. Highs in the mid 40s.
$$
WYZ276-032300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....27-32.
24 hr trend......8 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph.
Ridge top winds.....West around 10 mph until 0800. Southeast after
1100.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 5 to 10 mph until 1000. South 10 to
15 mph after 1300.
Mixing Height.......1200-3200 ft agl until 1600, then 400-1200 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....16-21.
24 hr trend......1 degree warmer.
Max humidity........70-76 percent.
24 hr trend......19 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 20
mph until 2400, then 25 mph.
Ridge top winds.....Southwest 10 to 15 mph until 2400, then around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 2400, then west 20
to 25 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
afternoon. Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......5 degrees warmer.
Min humidity........56-62 percent.
24 hr trend......3 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1700, then around 15
mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow
showers. Lows in the lower 20s. West winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows in the mid
20s. Highs in the mid 30s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy. Chance of snow showers. Lows in the
lower 20s. Highs in the upper 30s. West winds around 10 mph.
.SUNDAY...Partly cloudy with slight chance of snow showers. Lows
in the upper 20s. Highs around 40. Southwest winds around 10 mph.
.MONDAY...Partly cloudy. Lows around 30. Highs in the lower 40s.
.TUESDAY...Mostly cloudy. Slight chance of showers and snow
showers in the afternoon. Highs in the upper 40s.
$$
WYZ287-032300-
Owl Creek Mountains-
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....24-29.
24 hr trend......9 degrees cooler.
Min humidity........59-65 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Northwest 10 to 15 mph until 1000, then
southeast until 1300, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 1300, then
southwest until 1600, then south.
Mixing Height.......600-2600 ft agl until 1300, then 1800-3200 ft
agl until 1600, then 200-1000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....14-19.
24 hr trend......1 degree cooler.
Max humidity........78-84 percent.
24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southwest around 10 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......4 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph until 1500, then
upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1400, then south
until 1700, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows around 19. Winds generally
less than 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of snow
showers. Lows in the lower 20s. Highs 33 to 38. West winds around
10 mph.
.SUNDAY...Partly cloudy. Lows in the upper 20s. Highs in the
upper 30s. Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the upper 20s.
Highs 41 to 46.
$$
WYZ286-032300-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....22-27.
24 hr trend......5 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph and gusty.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 2800-4400 ft
agl until 1600, then 600-1800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
after midnight. Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....11-16.
24 hr trend......2 degrees warmer.
Max humidity........75-81 percent.
24 hr trend......15 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 2400, then 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 0500, then around 25
mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers in the morning.
Chance of snow showers late in the morning.
Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....22-27.
24 hr trend......Unchanged.
Min humidity........63-69 percent.
24 hr trend......11 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
30 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy with chance of snow showers. Lows
around 16. West winds around 15 mph.
.FRIDAY THROUGH SATURDAY...Snow showers. Lows around 20. Highs in
the upper 20s. West winds around 15 mph.
.SUNDAY...Mostly cloudy. Chance of snow showers. Lows in the mid
20s. Highs around 30. West winds around 15 mph.
.MONDAY...Partly cloudy with slight chance of snow showers. Lows
in the mid 20s. Highs in the lower 30s.
.TUESDAY...Mostly cloudy with chance of snow showers. Highs in
the mid 30s.
$$
WYZ140-032300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....22-27.
24 hr trend......Unchanged.
Min humidity........59-65 percent.
24 hr trend......15 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph and gusty.
Ridge top winds.....Northeast around 10 mph until 1000, then west
until 1400, then 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 5 to 10 mph until 1200. West after 1700.
Mixing Height.......600-2600 ft agl until 1300, then 2600-3600 ft
agl until 1600, then 400-1600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
evening. Chance of snow showers early in the
morning. Patchy fog after midnight. Chance of
snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....10-15.
24 hr trend......3 degrees warmer.
Max humidity........84-90 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Chance of snow showers in the
morning, then snow showers likely late in the
morning. Snow showers late in the afternoon.
Snow accumulation up to 3 inches. Chance of
snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....21-26.
24 hr trend......3 degrees cooler.
Min humidity........73-79 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.5 percent until 1200, then 35 percent.
Transport winds.....Southwest 15 to 20 mph until 1400, then 20 to
25 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Snow showers in the evening, then chance of
snow showers after midnight. Lows around 15. Southwest winds
around 10 mph.
.FRIDAY...Snow showers. Lows around 18. Highs in the mid 20s.
Southwest winds around 10 mph.
.SATURDAY...Snow showers. Lows around 16. Highs in the upper 20s.
West winds around 10 mph.
.SUNDAY...Cloudy with chance of snow showers. Lows in the lower
20s. Highs in the upper 20s. Southwest winds around 10 mph.
.MONDAY...Mostly cloudy with chance of snow showers. Lows in the
lower 20s. Highs in the lower 30s.
.TUESDAY...Cloudy with chance of snow showers. Highs in the lower
30s.
$$
WYZ415-032300-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....23-28.
24 hr trend......1 degree cooler.
Min humidity........57-63 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northeast 5 to 10 mph until 1100. West after
1400.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 5 to 10 mph until 1300, then
northwest.
Mixing Height.......800-2800 ft agl until 1300, then 2800-4000 ft
agl until 1600, then 600-1800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers early in
the morning. Chance of snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....6-11.
24 hr trend......Unchanged.
Max humidity........88-94 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph until 0200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of snow showers in the morning, then
snow showers late in the morning. Snow
accumulation up to 2 inches. Chance of snow
near 100 percent.
Chance of thunder...0 percent.
Max temperature.....20-25.
24 hr trend......3 degrees cooler.
Min humidity........76-82 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....West 10 to 15 mph until 1400, then 15 to 20
mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Snow showers. Lows around 16. Winds generally
less than 10 mph.
.FRIDAY...Snow showers and slight chance of thunderstorms. Lows
around 20. Highs in the mid 20s. Southwest winds around 10 mph.
.SATURDAY...Snow showers. Lows around 18. Highs in the upper 20s.
West winds around 10 mph.
.SUNDAY...Snow showers likely. Lows in the mid 20s. Highs in the
upper 20s. Southwest winds around 10 mph.
.MONDAY...Mostly cloudy with snow showers likely. Lows in the
lower 20s. Highs in the lower 30s.
.TUESDAY...Mostly cloudy with chance of snow showers. Highs in
the mid 30s.
$$
WYZ416-032300-
West Wind River Mountains/East Zone Bridger Teton NF-
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Max temperature.....21-26.
24 hr trend......3 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......10 percent drier.
20-foot winds.......Northeast winds around 15 mph with gusts to
around 25 mph until 0900, then upslope/upvalley
5-9 mph until 1200, then northwest around 10
mph until 1500, then upslope/upvalley 5-9 mph.
Ridge top winds.....Northeast 15 to 20 mph until 1000, then
northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 15 to 20 mph until 1100. Northwest 10
to 15 mph after 1500.
Mixing Height.......600-2600 ft agl until 1200, then 3200-4800 ft
agl until 1600, then 600-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....4-9.
24 hr trend......3 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
mph until 2100, then 15 mph after 2400.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of snow showers late in the morning.
Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....19-24.
24 hr trend......1 degree cooler.
Min humidity........64-70 percent.
24 hr trend......15 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 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy with chance of snow showers. Lows
around 11. West winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Snow showers. Lows around 16. Highs
23 to 28. West winds 10 to 15 mph.
.SUNDAY...Mostly cloudy with chance of snow showers. Lows around
20. Highs in the mid 20s. West winds around 10 mph.
.MONDAY...Mostly cloudy with chance of snow showers. Lows around
18. Highs in the upper 20s.
.TUESDAY...Mostly cloudy. Slight chance of snow showers in the
morning, then chance of snow showers in the afternoon. Highs in
the lower 30s.
$$
WYZ288-032300-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of snow showers early in
the morning. Slight chance of snow showers
early in the morning. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....21-26.
24 hr trend......9 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......11 percent wetter.
20-foot winds.......North winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph until 1400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 10 to 15 mph until 1400. West after
1700.
Mixing Height.......600-2600 ft agl until 1200, then 2200-3800 ft
agl until 1600, then 400-1600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....8-13.
24 hr trend......Unchanged.
Max humidity........74-80 percent.
24 hr trend......17 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 2400, then 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Chance of snow showers late in
the morning. Slight chance of snow showers late
in the afternoon. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....24-29.
24 hr trend......4 degrees warmer.
Min humidity........62-68 percent.
24 hr trend......3 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1300, then 25 to 30
mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy with slight chance of snow
showers. Lows around 15. West winds around 15 mph.
.FRIDAY THROUGH SUNDAY...Partly cloudy with chance of snow
showers. Lows 19 to 24. Highs 27 to 32. West winds 15 to 20 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
snow showers. Lows in the lower 20s. Highs 33 to 38.
$$
WYZ414-032300-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Max temperature.....22-27.
24 hr trend......Unchanged.
Min humidity........60-66 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northeast 5 to 10 mph until 1000, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 5 to 10 mph until 1100, then
northwest.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4000 ft
agl until 1600, then 400-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Min temperature.....9-14.
24 hr trend......4 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. 15 mph after
2400.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......200-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers in the morning,
then snow showers likely late in the morning.
Snow showers late in the afternoon. Snow
accumulation up to 1 inch. Chance of snow 90
percent.
Chance of thunder...0 percent.
Max temperature.....19-24.
24 hr trend......3 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......12 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 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Snow showers. Lows around 17. West winds around
10 mph.
.FRIDAY...Snow showers and slight chance of thunderstorms. Lows
in the lower 20s. Highs in the upper 20s. West winds around
10 mph.
.SATURDAY...Snow showers. Lows in the lower 20s. Highs in the
upper 20s. West winds around 15 mph.
.SUNDAY...Snow showers likely. Lows in the mid 20s. Highs in the
lower 30s. West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly cloudy with chance of snow
showers. Lows in the lower 20s. Highs 31 to 36.
$$
WYZ278-032300-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of snow showers early in the
morning. Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....25-30.
24 hr trend......3 degrees cooler.
Min humidity........51-57 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 1400, then west.
Mixing Height.......600-2600 ft agl until 1200, then 2200-4200 ft
agl until 1700, then 600-800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....8-13.
24 hr trend......7 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Chance of snow showers late in
the afternoon. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....24-29.
24 hr trend......1 degree cooler.
Min humidity........57-63 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....Northwest 10 to 15 mph until 1300, then west 15
to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 1100, then west 20
to 25 mph until 1700, then northwest around 15
mph.
Mixing Height.......600-2600 ft agl until 1400, then 1000-3000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy with chance of snow showers. Lows
around 13. West winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 19.
Highs in the lower 30s. West winds around 10 mph.
.SATURDAY...Partly cloudy with chance of snow showers. Lows
around 17. Highs in the mid 30s. West winds around 15 mph.
.SUNDAY...Mostly cloudy. Chance of snow showers. Lows in the
lower 20s. Highs in the mid 30s. West winds around 10 mph.
.MONDAY...Partly cloudy with slight chance of snow showers. Lows
around 19. Highs in the upper 30s.
.TUESDAY...Mostly cloudy. Slight chance of snow showers in the
afternoon. Highs around 40.
$$
WYZ277-032300-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Patchy fog early in the morning. Chance of snow
showers early in the morning. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....23-28.
24 hr trend......3 degrees cooler.
Min humidity........64-70 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph and gusty until 1200,
then upslope/upvalley 5-9 mph.
Ridge top winds.....East 10 to 15 mph until 1200. Northwest after
1700.
Chc of wetting rain.Zero percent.
Transport winds.....East 10 to 15 mph until 1500, then northwest
until 1700, then west.
Mixing Height.......1000-3000 ft agl until 1700, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....11-16.
24 hr trend......7 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
west around 10 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
morning. Chance of snow showers late in the
afternoon. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....23-28.
24 hr trend......Unchanged.
Min humidity........68-74 percent.
24 hr trend......1 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 15 to 20 mph until 1400, then 20 to 25
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1200, then 20 to 25
mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy with chance of snow showers. Lows
around 18. West winds around 10 mph.
.FRIDAY...Mostly cloudy with chance of snow showers. Lows in the
lower 20s. Highs in the lower 30s. West winds around 15 mph.
.SATURDAY...Mostly cloudy with snow showers. Lows in the lower
20s. Highs in the mid 30s. West winds around 20 mph.
.SUNDAY...Mostly cloudy with chance of snow showers. Lows in the
mid 20s. Highs in the mid 30s. West winds around 10 mph.
.MONDAY...Partly cloudy. Chance of snow showers. Lows in the
lower 20s. Highs in the upper 30s.
.TUESDAY...Partly cloudy with slight chance of snow showers.
Highs in the upper 30s.
$$
WYZ279-032300-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Patchy fog early in the
morning. Chance of snow showers early in the
morning. Slight chance of snow showers early in
the morning. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....23-28.
24 hr trend......6 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Northeast winds 10 to 15 mph with gusts to
around 30 mph until 1500, then upslope/upvalley
5-9 mph.
Ridge top winds.....Northeast 15 to 20 mph until 1600, then around
10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 15 to 20 mph until 1700, then around
10 mph.
Mixing Height.......1400-3400 ft agl until 1700, then 600-800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....9-14.
24 hr trend......8 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 1900, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 2000, then west.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
late in the afternoon. Chance of snow 20
percent.
Chance of thunder...0 percent.
Max temperature.....25-30.
24 hr trend......2 degrees warmer.
Min humidity........61-67 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph until 1200, then west around 20
mph with gusts to around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1100, then west 20
to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1000, then 25 to 30
mph.
Mixing Height.......400-2400 ft agl until 1400, then 1000-2800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow
showers. Lows around 19. West winds around 15 mph.
.FRIDAY...Mostly cloudy with slight chance of snow showers. Lows
in the lower 20s. Highs in the lower 30s. West winds around
15 mph.
.SATURDAY...Partly cloudy. Chance of snow showers. Lows in the
lower 20s. Highs in the mid 30s. West winds around 20 mph.
.SUNDAY...Partly cloudy. Lows in the mid 20s. Highs in the mid
30s. West winds around 15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the lower 20s.
Highs 38 to 43.
$$
WYZ289-032300-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Chance of snow showers
early in the morning, then slight chance of
snow showers early in the morning. Chance of
snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....21-26.
24 hr trend......10 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......8 percent wetter.
20-foot winds.......North winds 10 to 15 mph with gusts to around
25 mph until 1500, then upslope/upvalley 5-9
mph.
Ridge top winds.....North 15 to 20 mph until 1400, then northwest
around 10 mph until 1600, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North 15 to 20 mph until 1600, then around 10
mph.
Mixing Height.......800-2800 ft agl until 1700, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....10-15.
24 hr trend......5 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southwest 10 to 15 mph and gusty.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 0200, then west
around 20 mph.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
late in the afternoon. Chance of snow 20
percent.
Chance of thunder...0 percent.
Max temperature.....26-31.
24 hr trend......4 degrees warmer.
Min humidity........60-66 percent.
24 hr trend......8 percent drier.
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.Zero percent.
Transport winds.....West 20 to 25 mph until 1400, then 25 to 30
mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy with slight chance of snow
showers. Lows around 17. Southwest winds around 15 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows in the
lower 20s. Highs in the lower 30s. Southwest winds around 15 mph.
.SATURDAY...Partly cloudy with chance of snow showers. Lows
around 20. Highs in the upper 30s. West winds around 15 mph.
.SUNDAY...Partly cloudy. Lows in the mid 20s. Highs in the mid
30s. Southwest winds around 15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the mid 20s.
Highs 39 to 44.
$$
WYZ300-032300-
Casper Mountain-
501 AM MST Wed Dec 3 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Patchy fog early in the morning. Chance of snow
showers early in the morning. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....20-25.
24 hr trend......8 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Northeast winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph until 1200. West after 1400.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North 10 to 15 mph until 1200, then northwest.
Mixing Height.......600-2600 ft agl until 1700, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....10-15.
24 hr trend......3 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
south 10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....Southwest 10 to 15 mph until 2200, then south
15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 0200, then around
20 mph.
Mixing Height.......200-400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....25-30.
24 hr trend......5 degrees warmer.
Min humidity........63-69 percent.
24 hr trend......6 percent drier.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......200-1800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers
after midnight. Lows around 17. Southwest winds around 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly cloudy with chance of snow
showers. Lows around 19. Highs 28 to 33. West winds around
15 mph.
.SUNDAY...Partly cloudy. Lows in the mid 20s. Highs in the lower
30s. Southwest winds around 15 mph.
.MONDAY...Partly cloudy. Lows in the mid 20s. Highs in the upper
30s.
.TUESDAY...Mostly cloudy. Highs in the upper 30s.
$$