Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
224
FNUS55 KRIW 171202
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
501 AM MST Mon Nov 17 2025
.DISCUSSION...
***This product is currently automated with no discussion
and will not be refreshed with all forecast updates. It should
be used for planning purposes only. If you need additional fire
weather information, please contact the NWS office in Riverton,
Wyoming. The human written discussion section along with the fire
weather forecast will resume regular operations sometime in
Spring 2026.***
---Thunderstorms imply strong gusty and erratic winds---
WYZ280-172300-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Slight chance of rain showers in the
morning. Chance of rain showers early in the
afternoon, then slight chance of rain showers
late in the afternoon. Chance of showers 50
percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......18 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......36 percent wetter.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 30 mph until 1200, then west with higher
gusts.
Ridge top winds.....Southwest 20 to 25 mph until 1200, then west 15
to 20 mph.
Chc of wetting rain.7 percent.
Transport winds.....Southwest 20 to 25 mph until 1200, then
northwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
early in the evening. Chance of showers 20
percent.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......5 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......4 percent wetter.
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.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly cloudy then becoming partly
cloudy.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......5 degrees warmer.
Min humidity........46-52 percent.
24 hr trend......19 percent drier.
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.....Southwest 15 to 20 mph.
Mixing Height.......400-2400 ft agl until 1200, then 1400-3400 ft
agl until 1700, then 400-800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of snow showers. Lows in the upper 20s. Highs in the lower
50s. West winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 20s.
Highs in the upper 40s. Southwest winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Lows in the upper 20s.
Highs in the upper 40s.
$$
WYZ283-172300-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Slight chance of rain showers early in
the morning, then chance of rain showers in the
morning. Slight chance of rain showers early in
the afternoon. Chance of showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......12 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......25 percent wetter.
20-foot winds.......Northwest 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.35 percent until 1200, then 5 percent.
Transport winds.....Northwest 15 to 20 mph until 1700, then west
around 10 mph.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......7 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......600-800 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......2 degrees warmer.
Min humidity........57-63 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1600, then south.
Mixing Height.......400-2400 ft agl until 1300, then 1200-3000 ft
agl until 1700, then 600-800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the upper 20s. Highs around 50. Winds generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the mid 20s.
Highs in the upper 40s. Winds generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Lows in the upper 20s.
Highs in the upper 40s.
$$
WYZ285-172300-
South Bighorn Mountains-
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Snow showers likely in the morning.
Chance of rain showers through the day. Chance
of snow showers in the afternoon. No snow
accumulation. Chance of precipitation 70
percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......15 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......39 percent wetter.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West 10 to 15 mph until 1000, then northwest.
Chc of wetting rain.25 percent until 1200, then 15 percent.
Transport winds.....West around 15 mph until 0900, then northwest.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
and snow showers early in the evening. Slight
chance of snow showers after midnight. Slight
chance of rain showers after midnight. Chance
of precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......4 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 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.......200-600 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers in
the morning. Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......3 degrees warmer.
Min humidity........62-68 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph until 1500, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. Winds
generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 20s.
Highs in the lower 40s. West winds around 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 20s. Highs in the
lower 40s.
.SUNDAY...Partly cloudy with slight chance of snow showers. Highs
in the lower 40s.
$$
WYZ281-172300-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
early in the morning. Chance of rain showers in
the late morning and early afternoon, then
slight chance of rain showers late in the
afternoon. Chance of showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......16 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......32 percent wetter.
20-foot winds.......Southwest winds around 10 mph until 0900, then
north. Gusts up to 20 mph until 1500.
Ridge top winds.....Southwest around 15 mph until 0900, then north.
Chc of wetting rain.7 percent.
Transport winds.....West around 15 mph until 0900, then north until
1700, then northwest around 10 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......1 degree cooler.
Max humidity........82-88 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph until 2100, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 2200, then west.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......4 degrees warmer.
Min humidity........55-61 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Southwest around 10 mph until 1300, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1300, then south.
Mixing Height.......400-2400 ft agl until 1300, then 1200-3200 ft
agl until 1700, then 400-600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows
around 30. Highs in the lower 50s. Winds generally less than
10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 20s.
Highs 49 to 54. Southwest winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Lows in the upper 20s.
Highs 48 to 53.
$$
WYZ282-172300-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Chance of rain showers in the morning,
then slight chance of rain showers early in the
afternoon. Chance of showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......15 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......31 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southeast around 10 mph until 0700, then
southwest until 0800, then northwest until
1600, then southwest.
Chc of wetting rain.20 percent until 1200, then 5 percent.
Transport winds.....South around 10 mph until 0800, then west until
1000, then northwest.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......5 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. 10 mph after 2100
until 2400.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......4 degrees warmer.
Min humidity........61-67 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. 10 mph after 1200
until 1500.
Ridge top winds.....South around 10 mph until 1700, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1600, then southeast.
Mixing Height.......400-2400 ft agl until 1300, then 1200-3200 ft
agl until 1700, then 400-600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the upper 20s. Highs in the lower 50s. Winds generally less than
10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 20s.
Highs in the upper 40s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 20s. Highs in the
upper 40s.
.SUNDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the upper 40s.
$$
WYZ275-172300-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers in
the morning. Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......8 degrees cooler.
Min humidity........59-65 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph until 1500, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph until 0900, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 0800, then northwest.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
early in the morning. Chance of showers 20
percent.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......3 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph until 2100, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2000. Southeast after
2100.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers in
the morning. Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......Unchanged.
Min humidity........60-66 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. 10 mph after 0900.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......400-2400 ft agl until 1300, then 1200-3200 ft
agl until 1700, then 400-600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the upper 20s. Highs in the lower 50s. Winds generally less than
10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 20s.
Highs in the upper 40s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 20s. Highs in the
upper 40s.
.SUNDAY...Partly cloudy with slight chance of showers and snow
showers. Highs in the mid 40s.
$$
WYZ276-172300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Slight chance of rain showers early in
the morning. Chance of rain showers early in
the morning, then slight chance of rain showers
in the late morning and early afternoon. Chance
of showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......8 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 1600-3600 ft
agl until 1700, then 600-1200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......4 degrees cooler.
Max humidity........68-74 percent.
24 hr trend......1 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
west around 10 mph until 0300, then
downslope/downvalley 4-7 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.......600-1000 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......1 degree cooler.
Min humidity........51-57 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1600, then south.
Mixing Height.......400-2200 ft agl until 1100, then 2600-4200 ft
agl until 1600, then 600-2000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and snow
showers. Lows around 30. Highs in the upper 40s. Winds generally
less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows around 30. Highs in
the upper 40s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows in the lower 30s. Highs in the upper 40s.
.SUNDAY...Partly cloudy with slight chance of showers and snow
showers. Highs in the mid 40s.
$$
WYZ287-172300-
Owl Creek Mountains-
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Rain showers and snow showers likely in
the morning, then chance of rain showers in the
afternoon. No snow accumulation. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......11 degrees cooler.
Min humidity........65-71 percent.
24 hr trend......29 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 1500, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.45 percent until 1200, then 5 percent.
Transport winds.....North 15 to 20 mph until 1600, then northwest
around 10 mph.
Mixing Height.......800-2800 ft agl until 1700, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
and snow showers late in the evening. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......5 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 2300, then
southwest.
Mixing Height.......200-800 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......Unchanged.
Min humidity........63-69 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph until 1000, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......800-2800 ft agl until 1700, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. Winds
generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 20s.
Highs in the mid 40s. Winds generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Lows in the upper 20s.
Highs in the mid 40s.
$$
WYZ286-172300-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Snow showers likely in the morning.
Chance of rain showers through the day. Chance
of snow showers in the afternoon. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......10 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.35 percent until 1200, then 5 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow showers.
Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......6 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 0300, then
downslope/downvalley 4-7 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.......400-1200 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......1 degree cooler.
Min humidity........60-66 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
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.......1200-3200 ft agl until 1700, then 600-1200 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows in
the mid 20s. Highs in the upper 30s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
30s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows in
the mid 20s. Highs in the upper 30s. West winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows in the mid 20s. Highs in the mid 30s.
.SUNDAY...Partly cloudy with chance of snow showers. Highs in the
mid 30s.
$$
WYZ140-172300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Slight chance of snow showers early in
the morning. Slight chance of rain showers
until late afternoon. Chance of snow showers.
Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......8 degrees cooler.
Min humidity........73-79 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.20 percent until 1200, then 10 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow showers in the
evening, then slight chance of snow showers
after midnight. Chance of snow showers early in
the morning. Chance of snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......3 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
mph until 0300.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......600-1400 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy. Chance of snow showers. Chance
of snow 40 percent.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......Unchanged.
Min humidity........64-70 percent.
24 hr trend......16 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly cloudy. Slight chance of snow showers
after midnight. Lows in the mid 20s. Winds generally less than
10 mph.
.WEDNESDAY...Mostly cloudy. Chance of snow showers. Lows in the
mid 20s. Highs in the upper 30s. Winds generally less than
10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
snow showers. Lows in the lower 20s. Highs 35 to 40. Winds
generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly cloudy with chance of snow
showers. Lows in the lower 20s. Highs in the lower 30s.
$$
WYZ415-172300-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
501 AM MST Mon Nov 17 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
.TODAY...
Sky/weather.........Cloudy. Snow showers and rain showers in the
morning, then snow showers likely and chance of
rain showers in the afternoon. Snow
accumulation up to 2 inches. Chance of
precipitation 90 percent.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......10 degrees cooler.
Min humidity........79-85 percent.
24 hr trend......28 percent wetter.
20-foot winds.......West 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.60 percent until 1200, then 10 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of rain showers in the
evening. Chance of snow showers through the
night. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Min temperature.....24-29.
24 hr trend......6 degrees cooler.
Max humidity........90-96 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph until 0300, then south.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 5 to 10 mph until 0500, then south.
Mixing Height.......600-1200 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers. Slight chance of
rain showers late in the morning. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......2 degrees warmer.
Min humidity........72-78 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. 10 mph after 0900.
Ridge top winds.....South 5 to 10 mph until 1400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing Height.......1000-3000 ft agl until 1700, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Slight chance of snow showers
after midnight. Lows in the mid 20s. Winds generally less than
10 mph.
.WEDNESDAY...Mostly cloudy. Snow showers and showers likely. Lows
in the lower 20s. Highs in the upper 30s. Winds generally less
than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
snow showers. Lows in the lower 20s. Highs 35 to 40. Winds
generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly cloudy with chance of snow
showers. Lows in the lower 20s. Highs in the mid 30s.
$$
WYZ416-172300-
West Wind River Mountains/East Zone Bridger Teton NF-
501 AM MST Mon Nov 17 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
.TODAY...
Sky/weather.........Cloudy. Snow showers in the morning, then
chance of snow showers in the afternoon. Snow
accumulation up to 3 inches. Chance of snow 90
percent.
Chance of thunder...0 percent.
Max temperature.....33-38.
24 hr trend......11 degrees cooler.
Min humidity........79-85 percent.
24 hr trend......32 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.70 percent until 1200, then 5 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow showers in
the evening. Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....20-25.
24 hr trend......8 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
mph until 2100.
Ridge top winds.....Northwest around 10 mph until 0100, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....33-38.
24 hr trend......Unchanged.
Min humidity........70-76 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest around 10 mph until 0900, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 0900, then southwest.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Chance of snow showers. Lows around
19. Highs in the mid 30s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 18. Highs in the mid 30s.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
around 18. Highs in the mid 30s. Northwest winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows around 20. Highs in the lower 30s.
.SUNDAY...Partly cloudy with chance of snow showers. Highs in the
lower 30s.
$$
WYZ288-172300-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Snow showers with rain showers likely
in the morning, then chance of snow showers and
rain showers in the afternoon. Snow
accumulation up to 2 inches. Chance of
precipitation 90 percent.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......12 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......30 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.60 percent until 1200, then 5 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow showers in
the evening. Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....23-28.
24 hr trend......7 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......5 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.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......Unchanged.
Min humidity........63-69 percent.
24 hr trend......13 percent drier.
20-foot winds.......West 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 around 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s. West winds
around 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows in
the lower 20s. Highs in the upper 30s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 20s. Highs in the
upper 30s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of snow showers. Lows in
the lower 20s. Highs in the upper 30s. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of
snow showers. Lows in the mid 20s. Highs in the upper 30s.
$$
WYZ414-172300-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
501 AM MST Mon Nov 17 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
.TODAY...
Sky/weather.........Mostly cloudy. Snow showers with rain showers
likely in the morning, then chance of snow
showers and rain showers in the afternoon. Snow
accumulation up to 3 inches. Chance of
precipitation 90 percent.
Chance of thunder...0 percent.
Max temperature.....32-37.
24 hr trend......14 degrees cooler.
Min humidity........83-89 percent.
24 hr trend......34 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph until 1700, then around 10
mph.
Chc of wetting rain.50 percent until 1200, then zero percent.
Transport winds.....West 15 to 20 mph until 1700, then around 10
mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
early in the evening. Slight chance of snow
showers early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Min temperature.....23-28.
24 hr trend......6 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 0200, then south.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers. Chance of snow
20 percent.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......4 degrees warmer.
Min humidity........72-78 percent.
24 hr trend......15 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. 10 mph after 0900.
Ridge top winds.....South 5 to 10 mph until 1300, then around 10
mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 5 to 10 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Slight chance of snow showers
after midnight. Lows in the mid 20s. Winds generally less than
10 mph.
.WEDNESDAY...Partly cloudy. Snow showers and showers likely. Lows
in the lower 20s. Highs in the upper 30s. Winds generally less
than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
snow showers. Lows in the lower 20s. Highs 35 to 40. Winds
generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy with chance of snow
showers. Lows in the lower 20s. Highs in the mid 30s.
$$
WYZ278-172300-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Mostly cloudy. Snow showers likely and slight
chance of rain showers in the morning. Slight
chance of snow showers in the afternoon. Little
or no snow accumulation. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......14 degrees cooler.
Min humidity........74-80 percent.
24 hr trend......33 percent wetter.
20-foot winds.......West winds 15 to 20 mph with gusts to around 25
mph.
Ridge top winds.....West 20 to 25 mph until 1600, then around 15
mph.
Chc of wetting rain.30 percent until 1200, then zero percent.
Transport winds.....West 20 to 25 mph until 1700, then northwest
around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....23-28.
24 hr trend......9 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph until 0400, then around
5 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 0400, then around
5 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......Unchanged.
Min humidity........68-74 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest around 5 mph until 1000, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 5 mph until 1000, then south.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of snow showers. Lows
around 20. Highs in the lower 40s. Winds generally less than
10 mph.
.THURSDAY...Mostly clear. Lows around 19. Highs in the lower 40s.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Lows around 19. Highs in the lower 40s.
Northwest winds around 10 mph.
.SATURDAY...Partly cloudy. Lows around 20. Highs in the lower
40s.
.SUNDAY...Partly cloudy with slight chance of snow showers. Highs
in the lower 40s.
$$
WYZ277-172300-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
501 AM MST Mon Nov 17 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers and rain
showers early in the morning, then slight
chance of rain showers early in the morning.
Slight chance of snow showers early in the
morning. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......16 degrees cooler.
Min humidity........75-81 percent.
24 hr trend......37 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
30 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.Less than 5 percent.
Transport winds.....West 20 to 25 mph until 1700, then around 15
mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....23-28.
24 hr trend......6 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....West 10 to 15 mph until 0400, then north around
5 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 0400, then around 5
mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......3 degrees warmer.
Min humidity........68-74 percent.
24 hr trend......9 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northeast 5 to 10 mph until 1000, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....East 5 to 10 mph.
Mixing Height.......200-1800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 20s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers and
showers. Lows in the lower 20s. Highs in the lower 40s. Winds
generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 20s.
Highs in the lower 40s. West winds around 10 mph.
.SATURDAY...Partly cloudy. Lows in the lower 20s. Highs around
40.
.SUNDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the lower 40s.
$$
WYZ279-172300-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Mostly cloudy. Snow showers likely in the
morning. Chance of rain showers through the
day. Slight chance of snow showers in the
afternoon. Snow accumulation up to 1 inch.
Chance of precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......15 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......28 percent wetter.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph.
Ridge top winds.....West 25 to 30 mph until 1600, then around 20
mph.
Chc of wetting rain.30 percent until 1200, then zero percent.
Transport winds.....West 25 to 30 mph until 1700, then around 20
mph.
Mixing Height.......1000-3000 ft agl until 1700, then 800-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....25-30.
24 hr trend......8 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest 10 to 15 mph until 0300, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 0200, then south.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......1 degree warmer.
Min humidity........68-74 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, 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.......400-2200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 20s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 20s. Highs in the mid 40s. Winds generally less than
10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the mid 20s.
Highs in the lower 40s. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Lows in the mid 20s.
Highs 40 to 45.
$$
WYZ289-172300-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of rain showers and snow
showers. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......17 degrees cooler.
Min humidity........72-78 percent.
24 hr trend......38 percent wetter.
20-foot winds.......West winds 15 to 20 mph. Gusts up to 30 mph
until 1500, then 20 mph.
Ridge top winds.....Southwest 25 to 30 mph until 1100, then west
around 20 mph.
Chc of wetting rain.25 percent until 1200, then 10 percent.
Transport winds.....West 25 to 30 mph until 1600, then around 20
mph.
Mixing Height.......800-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......6 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......2 degrees warmer.
Min humidity........60-66 percent.
24 hr trend......18 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 20
mph until 1200, then 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows around 30. Southwest winds
around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the mid 20s. Highs in the mid 40s. Southwest
winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the mid 20s.
Highs in the mid 40s. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs in the lower
40s.
.SUNDAY...Partly cloudy. Highs in the lower 40s.
$$
WYZ300-172300-
Casper Mountain-
501 AM MST Mon Nov 17 2025
.TODAY...
Sky/weather.........Cloudy. Chance of rain showers and snow showers
in the morning, then rain showers and snow
showers likely in the afternoon. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......19 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......42 percent wetter.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
to around 35 mph until 1200, then west around
15 mph with gusts to around 25 mph.
Ridge top winds.....Southwest 25 to 30 mph until 1300, then west 15
to 20 mph.
Chc of wetting rain.15 percent until 1200, then 40 percent.
Transport winds.....Southwest 25 to 30 mph until 1600, then west
around 20 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of rain showers early in
the evening. Slight chance of snow showers in
the evening. Slight chance of rain showers in
the evening. Chance of precipitation 30
percent.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......3 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......5 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.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......200-1200 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......6 degrees warmer.
Min humidity........57-63 percent.
24 hr trend......23 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1500, then
upslope/upvalley 5-9 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1700, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. Southwest
winds around 10 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the lower 40s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
in the mid 20s. Highs in the lower 40s. Southwest winds around
10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Lows in the upper 20s.
Highs in the lower 40s.
$$