Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
036
FNUS55 KRIW 071202
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
501 AM MST Sun Dec 7 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---
WYZ280-072300-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......2 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......8 percent drier.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-1800 ft agl until 1100, then 2200-4000 ft
agl until 1600, then 600-1000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....23-28.
24 hr trend......3 degrees warmer.
Max humidity........68-74 percent.
24 hr trend......17 percent drier.
Humidity recovery...Good.
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.....Southwest 20 to 25 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......3 degrees warmer.
Min humidity........50-56 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Breezy. Mostly cloudy. Lows in the lower 30s.
Southwest winds around 25 mph.
.TUESDAY...Mostly cloudy with chance of rain and snow. Lows in
the upper 20s. Highs in the lower 50s. West winds around 20 mph.
.WEDNESDAY...Rain and snow likely. Lows in the lower 20s. Highs
in the upper 40s. West winds around 15 mph.
.THURSDAY...Colder. Mostly cloudy with chance of snow. Lows
around 11. Highs in the lower 30s. North winds around 10 mph.
.FRIDAY...Partly cloudy. Lows around 19. Highs in the lower 30s.
.SATURDAY...Not as cold. Partly cloudy. Highs in the lower 40s.
$$
WYZ283-072300-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......3 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......800-2800 ft agl until 1700, then 600-800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......2 degrees warmer.
Max humidity........74-80 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph and gusty.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......3 degrees warmer.
Min humidity........53-59 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest 15 to 20 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......
.MONDAY NIGHT...Mostly cloudy. Lows around 30. Southwest winds
around 20 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy with chance of rain
and snow. Lows in the upper 20s. Highs 48 to 53. West winds
around 15 mph.
.THURSDAY...Colder. Partly cloudy with chance of snow and rain.
Lows around 17. Highs in the upper 30s. North winds around
10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 20s. Highs in the mid
30s.
.SATURDAY...Partly cloudy. Highs in the mid 40s.
$$
WYZ285-072300-
South Bighorn Mountains-
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy. Patchy blowing snow in
the late morning and early afternoon.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......2 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......11 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 25
mph until 1500, then around 10 mph with higher
gusts.
Ridge top winds.....West 20 to 25 mph until 1600, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1600, then southwest
around 15 mph.
Mixing Height.......600-2600 ft agl until 1600, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......2 degrees warmer.
Max humidity........63-69 percent.
24 hr trend......24 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 15 to 20 mph. Gusts up to 25
mph until 2400, then 30 mph.
Ridge top winds.....Southwest 15 to 20 mph until 2200, then west 20
to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 2200, then west 20
to 25 mph.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....34-39.
24 hr trend......2 degrees warmer.
Min humidity........54-60 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......200-1600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. Southwest
winds around 20 mph.
.TUESDAY...Mostly cloudy with snow likely and chance of rain.
Lows in the mid 20s. Highs in the lower 40s. West winds around
15 mph.
.WEDNESDAY...Snow and rain likely. Lows in the lower 20s. Highs
around 40. West winds around 15 mph.
.THURSDAY...Colder. Mostly cloudy with chance of snow. Lows
around 13. Highs in the upper 20s. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy. Lows around 20. Highs in the upper 20s.
.SATURDAY...Not as cold. Partly cloudy. Highs in the upper 30s.
$$
WYZ281-072300-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......3 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......23 percent drier.
20-foot winds.......West winds 10 to 15 mph until 1200, then
northwest until 1500, then southwest. Gusts up
to 20 mph.
Ridge top winds.....West around 15 mph until 1100, then northwest
until 1600, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1600, then southwest.
Mixing Height.......400-2000 ft agl until 1100, then 1800-3800 ft
agl until 1600, then 400-800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......1 degree warmer.
Max humidity........64-70 percent.
24 hr trend......24 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph and gusty.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......2 degrees warmer.
Min humidity........47-53 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows around 30. Southwest winds
around 15 mph.
.TUESDAY...Mostly cloudy with chance of snow and rain. Lows in
the mid 20s. Highs in the lower 50s. West winds around 15 mph.
.WEDNESDAY...Rain likely and chance of snow. Lows around 20.
Highs in the mid 40s. West winds around 10 mph.
.THURSDAY...Colder. Mostly cloudy with chance of snow. Lows
around 7. Highs in the upper 20s. North winds around 10 mph.
.FRIDAY...Mostly cloudy. Slight chance of snow. Lows around 12.
Highs in the mid 20s.
.SATURDAY...Not as cold. Partly cloudy. Highs around 40.
$$
WYZ282-072300-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......Unchanged.
Min humidity........47-53 percent.
24 hr trend......17 percent drier.
20-foot winds.......Southwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1200, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1400, then south.
Mixing Height.......600-2600 ft agl until 1700, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....19-24.
24 hr trend......Unchanged.
Max humidity........73-79 percent.
24 hr trend......16 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph until 0300, then
south around 10 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.......400-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......2 degrees warmer.
Min humidity........51-57 percent.
24 hr trend......8 percent wetter.
20-foot winds.......South winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1500, then south
around 10 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......200-1000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 20s. South winds
around 10 mph.
.TUESDAY...Warmer. Mostly cloudy with snow likely and chance of
rain. Lows in the upper 20s. Highs in the lower 50s. West winds
around 10 mph.
.WEDNESDAY...Rain and snow likely. Lows in the mid 20s. Highs in
the mid 40s. West winds around 10 mph.
.THURSDAY...Colder. Mostly cloudy. Chance of snow. Lows around
14. Highs in the lower 30s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Lows around 18. Highs around 30.
.SATURDAY...Not as cold. Partly cloudy. Highs in the lower 40s.
$$
WYZ275-072300-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......1 degree warmer.
Min humidity........53-59 percent.
24 hr trend......23 percent drier.
20-foot winds.......Southeast winds around 10 mph and gusty.
Ridge top winds.....South 10 to 15 mph until 1100, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1200, then south.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....19-24.
24 hr trend......1 degree cooler.
Max humidity........74-80 percent.
24 hr trend......17 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......1 degree warmer.
Min humidity........57-63 percent.
24 hr trend......4 percent wetter.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Cloudy. Lows in the lower 30s. South winds around
10 mph.
.TUESDAY...Mostly cloudy with snow and rain likely. Lows in the
upper 20s. Highs in the upper 40s. West winds around 10 mph.
.WEDNESDAY...Rain and snow likely. Lows in the lower 20s. Highs
in the lower 40s. Northwest winds around 10 mph.
.THURSDAY...Colder. Mostly cloudy. Chance of snow. Lows around
12. Highs in the lower 30s. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of snow. Lows around 17.
Highs in the upper 20s.
.SATURDAY...Partly cloudy. Highs in the upper 30s.
$$
WYZ276-072300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow late in
the afternoon. Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......Unchanged.
Min humidity........39-45 percent.
24 hr trend......5 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 25
mph.
Ridge top winds.....West 20 to 25 mph until 1700, then southwest
around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1700, then southwest
around 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 1400-3400 ft
agl until 1600, then 600-1400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow early in
the evening. Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......3 degrees warmer.
Max humidity........59-65 percent.
24 hr trend......22 percent drier.
Humidity recovery...Good.
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.....Southwest 20 to 25 mph.
Mixing Height.......600-1200 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of rain and snow late in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......2 degrees warmer.
Min humidity........51-57 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West 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.......600-2400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of rain and snow in
the evening, then chance of rain and slight chance of snow after
midnight. Lows in the mid 30s. Southwest winds around 20 mph.
.TUESDAY...Mostly cloudy with snow and rain likely. Lows around
30. Highs in the upper 40s. West winds around 15 mph.
.WEDNESDAY...Rain and chance of snow. Lows in the lower 20s.
Highs in the mid 40s. West winds around 15 mph.
.THURSDAY...Colder. Mostly cloudy with chance of snow. Lows
around 15. Highs in the lower 30s. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of snow. Lows in the lower
20s. Highs in the lower 30s.
.SATURDAY...Partly cloudy. Highs in the lower 40s.
$$
WYZ287-072300-
Owl Creek Mountains-
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....34-39.
24 hr trend......1 degree cooler.
Min humidity........41-47 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest 15 to 20 mph until 1200, then around
15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1100, then southwest.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......3 degrees warmer.
Max humidity........61-67 percent.
24 hr trend......17 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......3 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest 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......
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 30s. Southwest
winds around 20 mph.
.TUESDAY THROUGH WEDNESDAY...Rain and snow likely. Lows 25 to 30.
Highs 44 to 49. West winds around 15 mph.
.THURSDAY...Colder. Partly cloudy with chance of snow. Lows
around 17. Highs in the lower 30s. North winds around 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 20s. Highs in the
lower 30s.
.SATURDAY...Partly cloudy. Highs around 40.
$$
WYZ286-072300-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy. Patchy blowing snow. Slight
chance of snow late in the morning. Chance of
snow late in the morning. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....29-34.
24 hr trend......1 degree cooler.
Min humidity........55-61 percent.
24 hr trend......3 percent drier.
20-foot winds.......West winds around 20 mph with gusts to around
30 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow through the
night. Chance of snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....20-25.
24 hr trend......5 degrees warmer.
Max humidity........72-78 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 40 mph.
Ridge top winds.....West 25 to 30 mph.
Chc of wetting rain.12 percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of snow through the day. Chance of snow
50 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......2 degrees warmer.
Min humidity........65-71 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 40 mph.
Ridge top winds.....West 25 to 30 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 30 to 35 mph until 1400. Around 30 mph
after 1700.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Windy. Chance of snow in the evening, then snow
likely after midnight. Lows in the upper 20s. West winds around
30 mph.
.TUESDAY...Breezy. Snow and chance of rain. Lows in the upper
20s. Highs in the mid 30s. West winds around 25 mph.
.WEDNESDAY...Breezy. Snow, rain and slight chance of
thunderstorms. Lows in the lower 20s. Highs in the mid 30s. West
winds around 25 mph.
.THURSDAY...Partly cloudy with snow likely. Lows around 17. Highs
in the upper 20s. West winds around 15 mph.
.FRIDAY...Partly cloudy with chance of snow. Lows in the mid 20s.
Highs in the lower 30s.
.SATURDAY...Partly cloudy. Highs in the mid 30s.
$$
WYZ140-072300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of snow late in
the morning. Chance of snow in the late morning
and early afternoon. Snow likely late in the
afternoon. Patchy blowing snow early in the
afternoon. Snow accumulation up to 3 inches.
Chance of snow 70 percent.
Chance of thunder...0 percent.
Max temperature.....27-32.
24 hr trend......3 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....Southwest 15 to 20 mph until 1200, then 20 to
25 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Snow likely early in the
evening, then chance of snow early in the
evening. Snow accumulation up to 4 inches.
Chance of snow 70 percent.
Chance of thunder...0 percent.
Min temperature.....20-25.
24 hr trend......6 degrees warmer.
Max humidity........81-87 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.40 percent until 2400, then 20 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......400-1400 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Chance of snow in the morning,
then snow likely late in the morning. Snow late
in the afternoon. Snow accumulation up to 2
inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......4 degrees warmer.
Min humidity........74-80 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.10 percent until 1200, then 25 percent.
Transport winds.....Southwest 20 to 25 mph until 1600, then around
30 mph.
Mixing Height.......800-2400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Snow. Lows in the mid 20s. Southwest winds around
20 mph.
.TUESDAY...Snow. Lows in the mid 20s. Highs in the lower 30s.
West winds around 15 mph.
.WEDNESDAY...Snow and rain. Lows around 19. Highs in the mid 30s.
West winds around 15 mph.
.THURSDAY...Mostly cloudy with snow likely. Lows around 15. Highs
in the upper 20s. West winds around 10 mph.
.FRIDAY...Mostly cloudy with chance of snow. Lows in the lower
20s. Highs in the lower 30s.
.SATURDAY...Partly cloudy with slight chance of snow. Highs in
the mid 30s.
$$
WYZ415-072300-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
501 AM MST Sun Dec 7 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO
5 AM MST MONDAY...
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow in the morning,
then snow in the afternoon. Snow accumulation
up to 2 inches. Chance of snow 90 percent.
Chance of thunder...0 percent.
Max temperature.....26-31.
24 hr trend......2 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Snow. Snow accumulation of 1 to
4 inches. Chance of snow 90 percent.
Chance of thunder...0 percent.
Min temperature.....20-25.
24 hr trend......6 degrees warmer.
Max humidity........88-94 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.55 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-1400 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Snow. Snow accumulation up to 2
inches. Chance of snow near 100 percent.
Chance of thunder...0 percent.
Max temperature.....30-35.
24 hr trend......4 degrees warmer.
Min humidity........79-85 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.25 percent.
Transport winds.....West 15 to 20 mph until 1300, then 20 to 25
mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Snow. Lows in the upper 20s. Southwest winds
around 15 mph.
.TUESDAY...Snow and rain. Lows around 30. Highs in the mid 30s.
West winds around 15 mph.
.WEDNESDAY...Snow, rain and slight chance of thunderstorms. Lows
in the mid 20s. Highs in the mid 30s. West winds around 15 mph.
.THURSDAY...Mostly cloudy with snow. Lows around 19. Highs in the
lower 30s. West winds around 10 mph.
.FRIDAY...Mostly cloudy with chance of snow and slight chance of
rain. Lows in the lower 20s. Highs in the lower 30s.
.SATURDAY...Partly cloudy. Slight chance of snow in the
afternoon. Highs in the mid 30s.
$$
WYZ416-072300-
West Wind River Mountains/East Zone Bridger Teton NF-
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow early in the morning.
Slight chance of snow late in the morning, then
chance of snow in the afternoon. Chance of snow
50 percent.
Chance of thunder...0 percent.
Max temperature.....23-28.
24 hr trend......3 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......Unchanged.
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.Less than 5 percent.
Transport winds.....West 15 to 20 mph until 1400. Around 15 mph
after 1700.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow early in the
evening, then snow likely early in the evening.
Chance of snow after midnight. Snow
accumulation up to 2 inches. Chance of snow 70
percent.
Chance of thunder...0 percent.
Min temperature.....16-21.
24 hr trend......7 degrees warmer.
Max humidity........86-92 percent.
24 hr trend......2 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.12 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Chance of snow in the morning,
then snow likely late in the morning. Chance of
snow late in the afternoon. Snow accumulation
up to 1 inch. Chance of snow 70 percent.
Chance of thunder...0 percent.
Max temperature.....26-31.
24 hr trend......3 degrees warmer.
Min humidity........74-80 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Cloudy with chance of snow. Lows in the lower
20s. West winds around 15 mph.
.TUESDAY...Snow. Lows in the upper 20s. Highs in the lower 30s.
West winds around 20 mph.
.WEDNESDAY...Snow and slight chance of thunderstorms. Lows in the
lower 20s. Highs in the mid 30s. West winds around 20 mph.
.THURSDAY...Mostly cloudy with snow likely. Lows around 18. Highs
around 30. West winds around 15 mph.
.FRIDAY...Mostly cloudy. Slight chance of snow. Lows around 20.
Highs in the lower 30s.
.SATURDAY...Partly cloudy. Highs in the mid 30s.
$$
WYZ288-072300-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy. Patchy blowing snow early in the
morning. Patchy blowing snow. Slight chance of
snow early in the morning. Chance of snow in
the afternoon. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......2 degrees cooler.
Min humidity........59-65 percent.
24 hr trend......1 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.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow in the evening.
Slight chance of snow late in the evening, then
chance of snow after midnight. Chance of snow
50 percent.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......6 degrees warmer.
Max humidity........73-79 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.5 percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of snow in the morning. Slight chance of
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........65-71 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
around 35 mph.
Ridge top winds.....West 25 to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 30 to 35 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Breezy. Mostly cloudy. Slight chance of snow in
the evening, then chance of snow after midnight. Lows in the mid
20s. West winds around 25 mph.
.TUESDAY...Breezy. Snow and chance of rain. Lows in the upper
20s. Highs in the upper 30s. West winds around 25 mph.
.WEDNESDAY...Windy. Snow with possible rain and thunderstorms
likely. Lows in the mid 20s. Highs in the upper 30s. West winds
around 30 mph.
.THURSDAY...Partly cloudy with chance of snow. Lows around 20.
Highs in the lower 30s. West winds around 20 mph.
.FRIDAY...Partly cloudy with slight chance of snow. Lows in the
mid 20s. Highs in the lower 30s.
.SATURDAY...Partly cloudy. Highs in the upper 30s.
$$
WYZ414-072300-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow early in the
morning. Slight chance of snow late in the
morning. Chance of snow in the late morning and
early afternoon, then snow likely late in the
afternoon. Snow accumulation up to 2 inches.
Chance of snow 70 percent.
Chance of thunder...0 percent.
Max temperature.....26-31.
24 hr trend......2 degrees cooler.
Min humidity........76-82 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Snow likely in the evening, then
snow late in the evening. Snow accumulation of
1 to 4 inches. Chance of snow 90 percent.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......5 degrees warmer.
Max humidity........88-94 percent.
24 hr trend......Unchanged.
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.45 percent until 2400, then 55 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-1400 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Snow. Snow accumulation up to 2
inches. Chance of snow 90 percent.
Chance of thunder...0 percent.
Max temperature.....29-34.
24 hr trend......3 degrees warmer.
Min humidity........78-84 percent.
24 hr trend......2 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.40 percent until 1200, then 15 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Snow. Lows in the mid 20s. West winds around
15 mph.
.TUESDAY...Snow and rain. Lows in the lower 30s. Highs in the mid
30s. West winds around 20 mph.
.WEDNESDAY...Snow, rain and slight chance of thunderstorms. Lows
in the upper 20s. Highs in the upper 30s. West winds around
20 mph.
.THURSDAY...Mostly cloudy with snow and rain likely. Lows in the
mid 20s. Highs in the mid 30s. West winds around 15 mph.
.FRIDAY...Mostly cloudy. Slight chance of rain and snow. Lows in
the mid 20s. Highs in the mid 30s.
.SATURDAY...Partly cloudy. Highs in the upper 30s.
$$
WYZ278-072300-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow in the afternoon. Chance
of snow late in the afternoon. Chance of snow
50 percent.
Chance of thunder...0 percent.
Max temperature.....27-32.
24 hr trend......3 degrees cooler.
Min humidity........64-70 percent.
24 hr trend......4 percent wetter.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow. Chance of snow
50 percent.
Chance of thunder...0 percent.
Min temperature.....16-21.
24 hr trend......3 degrees warmer.
Max humidity........86-92 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of snow. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......4 degrees warmer.
Min humidity........66-72 percent.
24 hr trend......4 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.....West 15 to 20 mph until 1200, then 20 to 25 mph
until 1700, then around 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy with chance of snow. Lows in the
lower 20s. West winds around 15 mph.
.TUESDAY...Mostly cloudy with chance of rain and snow. Lows
around 30. Highs in the lower 40s. West winds around 20 mph.
.WEDNESDAY...Mostly cloudy with rain likely with possible snow
and thunderstorms. Lows in the upper 20s. Highs in the lower 40s.
West winds around 20 mph.
.THURSDAY...Partly cloudy. Chance of snow and slight chance of
rain. Lows in the lower 20s. Highs around 40. West winds around
15 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Lows in the lower 20s.
Highs in the lower 40s.
$$
WYZ277-072300-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow late in
the morning. Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....29-34.
24 hr trend......1 degree cooler.
Min humidity........70-76 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy. Slight chance of snow
in the evening. Chance of snow late in the
evening, then slight chance of snow after
midnight. Chance of snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....20-25.
24 hr trend......3 degrees warmer.
Max humidity........86-92 percent.
24 hr trend......Unchanged.
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.......400-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow in the morning. Chance of
snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......4 degrees warmer.
Min humidity........73-79 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West winds 15 to 20 mph. Gusts up to 25 mph
until 1200, then 30 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of snow after
midnight. Lows in the mid 20s. West winds around 15 mph.
.TUESDAY...Mostly cloudy with chance of rain and snow. Lows in
the lower 30s. Highs in the upper 30s. West winds around 20 mph.
.WEDNESDAY...Breezy. Mostly cloudy with rain likely and chance of
snow. Lows in the lower 30s. Highs in the lower 40s. West winds
around 25 mph.
.THURSDAY...Mostly cloudy with chance of rain and snow. Lows in
the upper 20s. Highs around 40. West winds around 20 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Lows in the mid 20s.
Highs 40 to 45.
$$
WYZ279-072300-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......3 degrees cooler.
Min humidity........57-63 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph.
Ridge top winds.....West 20 to 25 mph until 1700, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1700, then around 15
mph.
Mixing Height.......600-2600 ft agl until 1200, then 1600-3400 ft
agl until 1700, then 800-1200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......2 degrees warmer.
Max humidity........80-86 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 0200, then 20 to 25
mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....34-39.
24 hr trend......4 degrees warmer.
Min humidity........63-69 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West winds 15 to 20 mph. Gusts up to 30 mph
until 1200, then 35 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1100, then 25 to 30
mph.
Mixing Height.......1000-3000 ft agl until 1700, then 800-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 20s. Southwest
winds around 20 mph.
.TUESDAY...Breezy. Mostly cloudy with slight chance of rain. Lows
in the mid 30s. Highs in the mid 40s. West winds around 25 mph.
.WEDNESDAY...Breezy. Mostly cloudy with chance of rain and slight
chance of snow. Lows in the mid 30s. Highs in the upper 40s. West
winds around 25 mph.
.THURSDAY...Partly cloudy with slight chance of rain and snow.
Lows in the upper 20s. Highs in the lower 40s. West winds around
20 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Lows in the upper 20s.
Highs 42 to 47.
$$
WYZ289-072300-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......4 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......5 percent wetter.
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.
Mixing Height.......1000-3000 ft agl until 1700, then 800-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....24-29.
24 hr trend......5 degrees warmer.
Max humidity........79-85 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....34-39.
24 hr trend......3 degrees warmer.
Min humidity........60-66 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds around 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest 25 to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 25 to 30 mph until 1400, then 30 to 35 mph
until 1700, then around 25 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Breezy. Mostly cloudy. Lows in the upper 20s.
Southwest winds around 25 mph.
.TUESDAY THROUGH WEDNESDAY...Breezy. Mostly cloudy with chance of
rain and snow. Lows 27 to 32. Highs in the mid 40s. West winds
around 25 mph.
.THURSDAY...Mostly cloudy with chance of snow and slight chance
of rain. Lows around 19. Highs in the upper 30s. West winds
around 15 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Lows in the mid 20s.
Highs 37 to 42.
$$
WYZ300-072300-
Casper Mountain-
501 AM MST Sun Dec 7 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy. Patchy blowing snow in
the late morning and early afternoon.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......2 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......1 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.
Mixing Height.......400-2400 ft agl until 1200, then 1800-3200 ft
agl until 1600, then 400-1000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......5 degrees warmer.
Max humidity........76-82 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 15 to 20 mph. Gusts up to 25
mph until 2100, then 35 mph.
Ridge top winds.....Southwest 20 to 25 mph until 2200, then 25 to
30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph until 2200, then 25 to
30 mph.
Mixing Height.......200-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....34-39.
24 hr trend......3 degrees warmer.
Min humidity........60-66 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1200, then 25 to 30
mph.
Mixing Height.......200-2000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Breezy. Partly cloudy. Lows in the upper 20s.
Southwest winds around 25 mph.
.TUESDAY...Cloudy with chance of snow and rain. Lows in the upper
20s. Highs in the lower 40s. West winds around 20 mph.
.WEDNESDAY...Mostly cloudy with snow likely and chance of rain.
Lows in the lower 20s. Highs in the lower 40s. West winds around
20 mph.
.THURSDAY...Colder. Mostly cloudy with chance of snow. Lows
around 13. Highs in the upper 20s. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 20s.
.SATURDAY...Partly cloudy. Highs in the upper 30s.
$$