Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
919
FNUS55 KRIW 231202
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
501 AM MST Sun Nov 23 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---
WYZ280-232300-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....50-55.
24 hr trend......2 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......6 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty until
1200, then upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1600, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1600, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......2 degrees cooler.
Max humidity........67-73 percent.
24 hr trend......Unchanged.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 10 mph until 2200, then west
until 0100, then southwest 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.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Chance of rain showers
and snow showers late in the afternoon. Chance
of precipitation 40 percent.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......3 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts
until 1200, then west 15 to 20 mph with gusts
to around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1300, then west 20
to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 1000, then west 25
to 30 mph until 1700, then around 20 mph.
Mixing Height.......600-2600 ft agl until 1300, then 1800-3800 ft
agl until 1700, then 800-1200 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers and
showers in the evening, then chance of snow showers after
midnight. Lows around 20. Northwest winds around 15 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 16. Highs in the
lower 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the mid 20s. Highs in the
lower 40s. Southwest winds around 10 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the upper 20s. Highs
in the upper 40s. Southwest winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers and slight chance
of showers. Lows around 19. Highs in the upper 40s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs in the lower 30s.
$$
WYZ283-232300-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......Unchanged.
Min humidity........34-40 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph until 1000. Northeast
after 1300.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1300, then northwest.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......1 degree warmer.
Max humidity........66-72 percent.
24 hr trend......5 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....North around 10 mph until 1900, then west until
0100, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of rain showers and snow showers
late in the afternoon. Chance of precipitation
20 percent.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......Unchanged.
Min humidity........40-46 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1300, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1100, then 20 to 25
mph.
Mixing Height.......400-2200 ft agl until 1200, then 2000-4000 ft
agl until 1700, then 800-1400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear with slight chance of snow showers.
Lows around 19. Northwest winds around 10 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 17. Highs in the
lower 30s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 20s. Highs in the
upper 30s. Winds generally less than 10 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the mid 20s. Highs in
the upper 40s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers and slight chance
of showers. Lows around 20. Highs in the mid 40s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs in the lower 30s.
$$
WYZ285-232300-
South Bighorn Mountains-
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......2 degrees warmer.
Min humidity........31-37 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....North around 10 mph until 0800, then east until
1400, then southeast until 1600, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 0700, then
southeast until 1300, then southwest until
1500, then west until 1600, then north.
Mixing Height.......400-2400 ft agl until 1700, then 200-400 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....30-35.
24 hr trend......Unchanged.
Max humidity........60-66 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast 5 to 10 mph until 2100. West after
0100.
Chc of wetting rain.Zero percent.
Transport winds.....North 5 to 10 mph until 2200, then west.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy. Chance of snow showers
late in the afternoon. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......5 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......8 percent wetter.
20-foot winds.......West winds 10 to 15 mph. 25 mph after 0900.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1200, then 25 to 30
mph.
Mixing Height.......400-2400 ft agl until 1400, then 1200-3200 ft
agl until 1700, then 600-1200 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy with chance of snow
showers. Lows around 18. Northwest winds around 15 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 17. Highs in the
mid 20s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 20s. Highs in the
lower 30s. Winds generally less than 10 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the upper 20s. Highs
in the lower 40s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 19.
Highs around 40.
.SATURDAY...Colder. Snow showers likely. Highs in the mid 20s.
$$
WYZ281-232300-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......1 degree warmer.
Min humidity........27-33 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph until 1000. East after
1600.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1100. East after
1700.
Mixing Height.......800-2800 ft agl until 1600, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......Unchanged.
Max humidity........65-71 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast 5 to 10 mph until 2300, then north
until 0100, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2100, then
southwest.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of rain showers and snow showers late in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......3 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph and gusty until 1200,
then west with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph until 1300, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1100, then west
around 20 mph until 1600, then northwest.
Mixing Height.......800-2800 ft agl until 1400, then 2200-3800 ft
agl until 1600, then 600-1800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers and
showers in the evening, then chance of snow showers after
midnight. Lows around 20. Northwest winds around 15 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 16. Highs in the
lower 30s. Northwest winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 20s. Highs in the
upper 30s. Winds generally less than 10 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the mid 20s. Highs in
the mid 40s. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers and slight chance
of showers. Lows around 19. Highs in the mid 40s.
.SATURDAY...Colder. Cloudy with chance of snow showers. Highs in
the upper 20s.
$$
WYZ282-232300-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......1 degree cooler.
Min humidity........29-35 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest 5 to 10 mph until 1100, then south
until 1300, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....South 5 to 10 mph until 1400, then northeast.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......2 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......5 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 5 mph until 1900, then south
until 2200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 5 mph until 2200, then 5 to 10
mph.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy. Chance of rain showers
and snow showers late in the afternoon. Chance
of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......2 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph and gusty.
Ridge top winds.....Southwest 10 to 15 mph until 1600, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1100, then west.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of snow showers and showers
in the evening, then chance of snow showers after midnight. Lows
in the lower 20s. Northwest winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 18 to 23. Highs
34 to 39. Winds generally less than 10 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the mid 20s. Highs in
the mid 40s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers and slight chance
of showers. Lows around 20. Highs in the mid 40s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs in the upper 20s.
$$
WYZ275-232300-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......1 degree cooler.
Min humidity........30-36 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. 10 mph after 1200
until 1500.
Ridge top winds.....Southeast around 10 mph until 1700, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1700, then northeast.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......1 degree warmer.
Max humidity........67-73 percent.
24 hr trend......4 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....North around 5 mph until 1900. South after
0300.
Chc of wetting rain.Zero percent.
Transport winds.....North around 5 mph until 1900, then south.
Mixing Height.......200-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of rain showers late in the
morning. Chance of rain showers and snow
showers late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......2 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph and gusty until 1500,
then west with higher gusts.
Ridge top winds.....South 10 to 15 mph until 1500, then west until
1700, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1100, then southwest
until 1500, then northwest around 20 mph.
Mixing Height.......1800-3800 ft agl until 1700, then 1200-1600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers and
showers in the evening, then slight chance of snow showers after
midnight. Lows in the lower 20s. Northwest winds around 15 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 18. Highs in the
mid 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy with slight chance of snow showers.
Lows in the mid 20s. Highs in the upper 30s. Winds generally less
than 10 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the mid 20s. Highs in
the mid 40s. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers and slight chance
of showers. Lows around 19. Highs in the lower 40s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs in the upper 20s.
$$
WYZ276-232300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....50-55.
24 hr trend......1 degree warmer.
Min humidity........28-34 percent.
24 hr trend......6 percent drier.
20-foot winds.......West winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph.
Ridge top winds.....West 10 to 15 mph until 1000, then south until
1100, then east until 1700, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1600, then
northwest.
Mixing Height.......1400-3400 ft agl until 1600, then 600-1200 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......2 degrees warmer.
Max humidity........57-63 percent.
24 hr trend......Unchanged.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
west around 10 mph with gusts to around 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy. Slight chance of rain
showers and snow showers late in the morning.
Chance of snow showers late in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......4 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......8 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 1700, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1100, then 25 to 30 mph
until 1400, then 30 to 35 mph until 1600, then
northwest 20 to 25 mph.
Mixing Height.......800-2800 ft agl until 1100, then 3000-5000 ft
agl until 1300, then 4600-6600 ft agl until
1600, then 1600-3600 ft agl.
Smoke dispersal.....Good until 1300, then very good until 1600,
then fair to good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers in
the evening. Lows around 19. Northwest winds around 10 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 19. Highs in the
lower 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy with slight chance of snow showers.
Lows in the upper 20s. Highs in the upper 30s. Winds generally
less than 10 mph.
.THANKSGIVING DAY...Partly cloudy with slight chance of showers
and snow showers. Lows in the upper 20s. Highs in the mid 40s.
Southwest winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers and slight chance
of showers. Lows around 18. Highs in the lower 40s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs in the mid 20s.
$$
WYZ287-232300-
Owl Creek Mountains-
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......1 degree warmer.
Min humidity........35-41 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West around 10 mph until 1000, then southeast
until 1600, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1100, then
southeast until 1700, then north.
Mixing Height.......200-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......1 degree warmer.
Max humidity........59-65 percent.
24 hr trend......3 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 5 mph until 2000. Southwest
after 0200.
Chc of wetting rain.Zero percent.
Transport winds.....West 5 to 10 mph until 0100, then southwest.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Chance of snow showers
and slight chance of rain showers late in the
afternoon. Chance of precipitation 30 percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......2 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......4 percent wetter.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1300, then 25 to 30 mph
until 1700, then around 20 mph.
Mixing Height.......400-2400 ft agl until 1200, then 2800-4800 ft
agl until 1600, then 800-2600 ft agl.
Smoke dispersal.....Fair to good until 1400, then good to very good
until 1600, then poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers in
the evening, then slight chance of snow showers after midnight.
Lows around 19. Northwest winds around 10 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 18. Highs in the
upper 20s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 20s. Highs in the mid
30s. Winds generally less than 10 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the upper 20s. Highs
in the lower 40s. West winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 19.
Highs in the lower 40s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs in the mid 20s.
$$
WYZ286-232300-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......1 degree warmer.
Min humidity........34-40 percent.
24 hr trend......8 percent drier.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers early in
the morning. Chance of snow 40 percent.
Chance of thunder...0 percent.
Min temperature.....24-29.
24 hr trend......Unchanged.
Max humidity........71-77 percent.
24 hr trend......12 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
west around 10 mph and gusty.
Ridge top winds.....West 10 to 15 mph until 0500, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 0400, then around 20
mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy. Chance of snow showers in the
morning. Snow showers likely late in the
morning, then chance of snow showers late in
the afternoon. Snow accumulation up to 3
inches. Chance of snow 70 percent.
Chance of thunder...0 percent.
Max temperature.....33-38.
24 hr trend......10 degrees cooler.
Min humidity........52-58 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Breezy. West winds 15 to 20 mph with gusts to
around 30 mph until 1200, then around 25 mph
with gusts to around 40 mph.
Ridge top winds.....West 15 to 20 mph until 0900, then 25 to 30
mph.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....West 20 to 25 mph until 0900, then 30 to 35 mph
until 1200, then 40 to 45 mph until 1600, then
around 35 mph.
Mixing Height.......2400-4400 ft agl.
Smoke dispersal.....Good to very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers in
the evening, then slight chance of snow showers after midnight.
Lows around 10. West winds around 15 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 13. Highs in the
lower 20s. West winds around 10 mph.
.WEDNESDAY...Mostly cloudy with chance of snow showers. Lows in
the mid 20s. Highs in the upper 20s. West winds around 15 mph.
.THANKSGIVING DAY...Partly cloudy with chance of snow showers.
Lows in the mid 20s. Highs in the upper 30s. West winds around
15 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 16.
Highs in the mid 30s.
.SATURDAY...Colder. Snow showers likely. Highs in the lower 20s.
$$
WYZ140-232300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......3 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......16 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph until 1500, then
upslope/upvalley 5-9 mph.
Ridge top winds.....South 10 to 15 mph until 1300, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of snow showers late in the evening.
Chance of snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....23-28.
24 hr trend......2 degrees warmer.
Max humidity........85-91 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 0500, then around
20 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Chance of snow showers in the
morning, then snow showers late in the morning.
Chance of snow showers late in the afternoon.
Snow accumulation of 1 to 5 inches. Chance of
snow 90 percent.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......9 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 25
mph until 1200, then 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.15 percent until 1200, then 70 percent.
Transport winds.....Southwest 20 to 25 mph until 1100, then west 30
to 35 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers in
the evening. Lows around 7. West winds around 10 mph.
.TUESDAY...Colder. Partly cloudy. Slight chance of snow showers.
Lows around 11. Highs in the lower 20s. Winds generally less than
10 mph.
.WEDNESDAY...Cloudy with snow showers likely. Lows in the lower
20s. Highs in the upper 20s. Southwest winds around 10 mph.
.THANKSGIVING DAY...Mostly cloudy. Chance of snow showers. Lows
in the lower 20s. Highs in the mid 30s. Southwest winds around
10 mph.
.FRIDAY...Mostly cloudy with chance of snow showers. Lows around
15. Highs in the lower 30s.
.SATURDAY...Snow showers likely. Highs in the mid 20s.
$$
WYZ415-232300-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......1 degree warmer.
Min humidity........44-50 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South 5 to 10 mph until 1000, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph until 1200, then west.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy. Chance of flurries late
in the evening. Chance of snow showers early in
the morning. Chance of snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....20-25.
24 hr trend......1 degree warmer.
Max humidity........88-94 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Chance of snow showers in the
morning, then snow showers late in the morning.
Snow showers likely late in the afternoon. Snow
accumulation up to 3 inches. Chance of snow 90
percent.
Chance of thunder...0 percent.
Max temperature.....30-35.
24 hr trend......8 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....Southwest 10 to 15 mph until 1300, then around
20 mph.
Chc of wetting rain.5 percent until 1200, then 50 percent.
Transport winds.....Southwest 15 to 20 mph until 1000. West 30 to
35 mph after 1400.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Snow showers likely in the
evening. Lows around 8. West winds around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of snow showers. Lows
around 11. Highs in the mid 20s. Winds generally less than
10 mph.
.WEDNESDAY...Mostly cloudy with snow showers likely. Lows in the
lower 20s. Highs in the upper 20s. Winds generally less than
10 mph.
.THANKSGIVING DAY...Partly cloudy with chance of snow showers and
slight chance of showers. Lows in the lower 20s. Highs in the mid
30s. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy with snow showers likely. Lows around 17.
Highs in the mid 30s.
.SATURDAY...Snow showers likely. Highs in the upper 20s.
$$
WYZ416-232300-
West Wind River Mountains/East Zone Bridger Teton NF-
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......2 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....North around 10 mph until 1000, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......200-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......1 degree warmer.
Max humidity........78-84 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
northwest around 10 mph with gusts to around 15
mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......200-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy. Chance of snow showers late in
the morning. Chance of snow 50 percent.
Chance of thunder...0 percent.
Max temperature.....28-33.
24 hr trend......9 degrees cooler.
Min humidity........63-69 percent.
24 hr trend......29 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph until 1500, then around 20 mph with gusts
to around 35 mph.
Ridge top winds.....West 15 to 20 mph until 1400, then around 25
mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph until 1000. Around 35 mph
after 1500.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers in
the evening. Lows around 6. West winds around 15 mph.
.TUESDAY...Partly cloudy. Lows around 9. Highs in the lower 20s.
West winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Chance of snow showers. Lows around
20. Highs in the upper 20s. West winds around 10 mph.
.THANKSGIVING DAY...Partly cloudy with chance of snow showers.
Lows around 19. Highs in the mid 30s. West winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 14.
Highs in the lower 30s.
.SATURDAY...Chance of snow showers in the morning, then snow
showers likely in the afternoon. Highs in the mid 20s.
$$
WYZ288-232300-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......1 degree warmer.
Min humidity........29-35 percent.
24 hr trend......6 percent drier.
20-foot winds.......West winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph.
Ridge top winds.....West 10 to 15 mph until 1100, then northwest
until 1700, then west.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......Unchanged.
Max humidity........69-75 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
west around 10 mph with gusts to around 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 0500, then around 20
mph.
Mixing Height.......200-800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
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.....34-39.
24 hr trend......8 degrees cooler.
Min humidity........55-61 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Breezy. West winds 15 to 20 mph with gusts to
around 30 mph until 1200, then around 25 mph
with gusts to around 40 mph.
Ridge top winds.....West 20 to 25 mph until 1300, then around 30
mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 20 to 25 mph until 0900. 40 to 45 mph
after 1200.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy with slight chance of snow
showers. Lows around 12. West winds around 15 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 14. Highs in the
mid 20s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows in
the mid 20s. Highs in the lower 30s. West winds around 15 mph.
.THANKSGIVING DAY...Partly cloudy with slight chance of snow
showers. Lows in the mid 20s. Highs in the upper 30s. West winds
around 15 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 17.
Highs in the mid 30s.
.SATURDAY...Colder. Chance of snow showers in the morning, then
snow showers likely in the afternoon. Highs in the mid 20s.
$$
WYZ414-232300-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......1 degree warmer.
Min humidity........37-43 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph.
Ridge top winds.....Southwest around 10 mph until 1000, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1100, then 10 to 15
mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of flurries in the late
evening and overnight. Slight chance of snow
showers early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......1 degree warmer.
Max humidity........87-93 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
west around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......200-1000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly cloudy. Slight chance of snow
showers in the morning, then chance of snow
showers late in the morning. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....30-35.
24 hr trend......8 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......27 percent wetter.
20-foot winds.......West winds 10 to 15 mph with higher gusts until
1200, then around 20 mph with gusts to around
30 mph.
Ridge top winds.....West 15 to 20 mph until 1400, then around 25
mph.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....West 15 to 20 mph until 1100, then 25 to 30
mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers in
the evening. Lows around 12. West winds around 15 mph.
.TUESDAY...Partly cloudy. Lows around 14. Highs in the mid 20s.
Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy with chance of snow showers. Lows in
the lower 20s. Highs in the lower 30s. Winds generally less than
10 mph.
.THANKSGIVING DAY...Partly cloudy with chance of snow showers and
slight chance of showers. Lows in the lower 20s. Highs in the
upper 30s. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 19.
Highs in the mid 30s.
.SATURDAY...Snow showers likely. Highs in the upper 20s.
$$
WYZ278-232300-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......3 degrees warmer.
Min humidity........33-39 percent.
24 hr trend......16 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph.
Ridge top winds.....Northwest 10 to 15 mph until 1400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......400-2400 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........77-83 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......4 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......16 percent wetter.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 30 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 1100, then 25 to 30
mph.
Mixing Height.......400-2200 ft agl until 1100, then 2400-4400 ft
agl until 1700, then 1400-2000 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Lows around 12. Northwest
winds around 15 mph.
.TUESDAY...Partly cloudy. Lows around 12. Highs in the lower 30s.
Winds generally less than 10 mph.
.WEDNESDAY THROUGH THANKSGIVING DAY...Partly cloudy. Lows around
19. Highs 39 to 44. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows
around 18. Highs in the lower 40s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs in
the mid 30s.
$$
WYZ277-232300-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Mostly sunny. Patchy fog early in the morning.
Patchy fog late in the morning.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......2 degrees warmer.
Min humidity........43-49 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.....West 5 to 10 mph until 1400, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph until 0800, then
northwest 10 to 15 mph.
Mixing Height.......200-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......2 degrees warmer.
Max humidity........85-91 percent.
24 hr trend......3 percent drier.
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.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......4 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......13 percent wetter.
20-foot winds.......West winds 10 to 15 mph with higher gusts until
1200, then around 20 mph with gusts to around
30 mph.
Ridge top winds.....West 15 to 20 mph until 1300, then around 25
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1100, then 25 to 30
mph.
Mixing Height.......600-2600 ft agl until 1200, then 2000-3800 ft
agl until 1700, then 1400-1800 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows around 15. West winds around
15 mph.
.TUESDAY...Partly cloudy. Lows around 15. Highs in the lower 30s.
Winds generally less than 10 mph.
.WEDNESDAY THROUGH THANKSGIVING DAY...Partly cloudy. Lows in the
lower 20s. Highs 40 to 45. West winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows in
the lower 20s. Highs in the lower 40s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs in
the mid 30s.
$$
WYZ279-232300-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......1 degree warmer.
Min humidity........40-46 percent.
24 hr trend......9 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph.
Ridge top winds.....West around 10 mph until 1100, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
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.....25-30.
24 hr trend......1 degree warmer.
Max humidity........78-84 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......2 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......7 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 1200, then around 20 mph with gusts
to around 30 mph.
Ridge top winds.....West 15 to 20 mph until 1200, then around 25
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1200, then 25 to 30
mph.
Mixing Height.......400-2000 ft agl until 1100, then 2200-4200 ft
agl until 1700, then 1400-1800 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows around 20. West winds around
15 mph.
.TUESDAY...Partly cloudy. Lows around 19. Highs in the mid 30s.
West winds around 10 mph.
.WEDNESDAY THROUGH THANKSGIVING DAY...Partly cloudy. Lows in the
mid 20s. Highs 42 to 47. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows in
the lower 20s. Highs in the mid 40s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs in
the mid 30s.
$$
WYZ289-232300-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......2 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......14 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1500, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......1 degree cooler.
Max humidity........65-71 percent.
24 hr trend......7 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
southwest around 10 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......200-600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......3 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......10 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 35 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1200, then west
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1000. 30 to 35 mph
after 1400.
Mixing Height.......400-2400 ft agl until 1300, then 1200-3200 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of snow showers
after midnight. Lows around 19. West winds around 15 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 18. Highs in the
lower 30s. West winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the upper 20s. Highs in the
upper 30s. Southwest winds around 15 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the upper 20s. Highs
in the mid 40s. Southwest winds around 15 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 20.
Highs in the lower 40s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs in the lower 30s.
$$
WYZ300-232300-
Casper Mountain-
501 AM MST Sun Nov 23 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......2 degrees warmer.
Min humidity........31-37 percent.
24 hr trend......13 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts
until 1500, then upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1400, then around
10 mph until 1600, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 1400, then west
around 10 mph.
Mixing Height.......600-2600 ft agl until 1600, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......4 degrees cooler.
Max humidity........70-76 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....East 5 to 10 mph until 0100, then south 10 to
15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph until 0500, then around
15 mph.
Mixing Height.......200-400 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Slight chance of rain
showers and snow showers late in the afternoon.
Chance of precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......4 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph until 1500, then west around 20
mph with gusts to around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1300, then 20 to
25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 1000, then west 25
to 30 mph.
Mixing Height.......400-2400 ft agl until 1400, then 1000-3000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Slight chance of snow
showers in the evening, then chance of snow showers after
midnight. Lows around 18. West winds around 15 mph.
.TUESDAY...Colder. Partly cloudy. Lows around 16. Highs in the
mid 20s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy. Lows in the upper 20s. Highs in the
mid 30s. Southwest winds around 10 mph.
.THANKSGIVING DAY...Partly cloudy. Lows in the upper 20s. Highs
in the lower 40s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 20.
Highs in the lower 40s.
.SATURDAY...Colder. Chance of snow showers in the morning, then
snow showers likely in the afternoon. Highs in the upper 20s.
$$