Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
544
FNUS55 KRIW 010647
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
1247 AM MDT Thu Oct 1 2026
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Today will be another warm and dry day across the area. Relative
humidity will remain above critical levels. Wind should remain light
to moderate, Mixing and smoke dispersal will be generally good to
very good in the afternoon. Dry and warm conditions should continue
through the weekend.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Today will be another dry day across the area, with somewhat cooler
temperatures. Relative humidity will remain above critical levels.
Wind should remain light to moderate for the most part, with the
breeziest conditions in the northern zones. Mixing and smoke
dispersal will be generally good to very good in the afternoon. Dry
and warm conditions should continue through the weekend.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Today will be another mainly dry day across the area, with somewhat
cooler temperatures East of the Continental Divide. A stray shower
can`t be ruled out in northern Zone 281. Relative humidity will
remain above critical levels. Wind should remain light to moderate
for the most part, with the breeziest conditions in the northern
zones. Mixing and smoke dispersal will be generally good to very
good in the afternoon. Elevated fire weather is possible Friday
afternoon in Zones 280, 300, 289 and eastern 279 with a combination
of a gusty breeze and humidity falling to around 20 percent.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-020900-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......4 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then east
around 10 mph until 1200, then upslope/upvalley
5-9 mph until 1500, then south around 10 mph.
Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southwest.
Mixing Height.......600-2200 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......1 degree cooler.
Max humidity........71-77 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph with gusts to
around 25 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 15 mph until 2400, then southwest.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......6 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......17 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. Northeast winds around 10 mph.
.SUNDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs around 80.
Southwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
$$
WYZ283-020900-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......4 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....East around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph.
Mixing Height.......400-2400 ft agl until 1200, then 2600-4000 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......1 degree cooler.
Max humidity........65-71 percent.
24 hr trend......9 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
north around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then west.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......6 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. Northeast winds around 10 mph.
.SUNDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
$$
WYZ285-020900-
South Bighorn Mountains-
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......6 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......14 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.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest.
Mixing Height.......400-2400 ft agl until 1200, then 2600-4200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......Unchanged.
Max humidity........69-75 percent.
24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......Northeast winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northeast around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....East around 15 mph until 2400, then southwest.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......6 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......16 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. West winds
around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s. Northeast winds around 10 mph.
.SUNDAY...Clear. Lows in the upper 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs around 70.
.WEDNESDAY...Sunny. Highs in the upper 60s.
$$
WYZ281-020900-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......7 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then south.
Mixing Height.......600-2600 ft agl until 1200, then 2800-4600 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......2 degrees cooler.
Max humidity........71-77 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph with gusts to
around 25 mph until 0300, then south with gusts
to around 15 mph.
Ridge top winds.....Northeast around 20 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 20 mph until 2400, then south.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......10 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......18 percent drier.
20-foot winds.......South winds around 10 mph until 1500, then
northwest. Gusts up to 25 mph.
Ridge top winds.....South around 15 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west.
Mixing Height.......600-2600 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs around 70.
North winds around 10 mph.
.SUNDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
South winds around 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 40s.
Highs 74 to 79.
$$
WYZ282-020900-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......6 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......400-2400 ft agl until 1200, then 2800-4400 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......1 degree cooler.
Max humidity........70-76 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......600-2600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....70-75.
24 hr trend......7 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......200-2200 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows around 50. Winds generally
less than 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.SUNDAY...Clear. Lows around 50. Highs in the upper 70s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 40s.
Highs 75 to 80.
$$
WYZ275-020900-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......8 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2800-4000 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......Unchanged.
Max humidity........70-76 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......600-2600 ft agl until 2400, then 400 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......8 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......400-2000 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.SUNDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs around 80.
Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 40s.
Highs 74 to 79.
$$
WYZ276-020900-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......8 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then
southeast.
Mixing Height.......400-2200 ft agl until 1200, then 2600-4200 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......1 degree warmer.
Max humidity........64-70 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......600-2600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......11 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......24 percent drier.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows around 50. West winds around
10 mph.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. Northwest winds around 10 mph.
.SUNDAY...Clear. Lows around 50. Highs in the mid 70s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. West winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 40s.
Highs 72 to 77.
$$
WYZ287-020900-
Owl Creek Mountains-
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......6 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......12 percent wetter.
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 until 1200, then 2400-4000 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......Unchanged.
Max humidity........64-70 percent.
24 hr trend......10 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph and gusty until 2400,
then downslope/downvalley 4-7 mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then
southwest.
Mixing Height.......600-2600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......7 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......17 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty until
1200, then south with gusts to around 25 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds
around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. North winds around 10 mph.
.SUNDAY...Clear. Lows around 50. Highs in the lower 70s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s. West winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 40s.
Highs 69 to 74.
$$
WYZ286-020900-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....57-62.
24 hr trend......5 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......1 degree warmer.
Max humidity........68-74 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
west around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......3 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......12 percent drier.
20-foot winds.......West winds 10 to 15 mph until 1500, then around
20 mph. Gusts up to 35 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. West winds
around 10 mph.
.SATURDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s. Winds generally less than 10 mph.
.SUNDAY...Clear. Lows in the mid 40s. Highs in the mid 60s. West
winds around 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid
60s. West winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 40s.
Highs in the lower 60s.
$$
WYZ140-020900-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......4 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......1 degree warmer.
Max humidity........78-84 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......2 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph with gusts to around 30
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......800-2800 ft agl until 1200, then 4000-5800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the mid
60s. Winds generally less than 10 mph.
.SUNDAY...Clear. Lows in the upper 30s. Highs in the mid 60s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the upper 30s. Highs in the mid
60s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 30s.
Highs in the lower 60s.
$$
WYZ415-020900-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......3 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......800-2800 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......Unchanged.
Max humidity........75-81 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......2 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 25 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4600-6400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the upper 30s. Highs in the mid
60s. Winds generally less than 10 mph.
.SUNDAY...Clear. Lows in the lower 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid
60s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 30s.
Highs in the lower 60s.
$$
WYZ416-020900-
West Wind River Mountains/East Zone Bridger Teton NF-
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....58-63.
24 hr trend......3 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. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......800-2800 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......Unchanged.
Max humidity........64-70 percent.
24 hr trend......17 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......1 degree warmer.
Min humidity........32-38 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....West around 10 mph until 1200, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s. Winds generally less than 10 mph.
.SUNDAY...Clear. Lows around 40. Highs in the lower 60s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the upper 30s. Highs in the
lower 60s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 30s.
Highs around 60.
$$
WYZ288-020900-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......2 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......Unchanged.
Max humidity........58-64 percent.
24 hr trend......19 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
west around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......3 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......11 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. West winds
around 15 mph.
.SATURDAY...Mostly clear. Lows around 40. Highs in the lower 60s.
Winds generally less than 10 mph.
.SUNDAY...Clear. Lows in the mid 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid
60s. West winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 40s.
Highs in the mid 60s.
$$
WYZ414-020900-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......3 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......600-2600 ft agl until 1200, then 3600-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......1 degree warmer.
Max humidity........71-77 percent.
24 hr trend......14 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......2 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 30 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the
upper 60s. Winds generally less than 10 mph.
.SUNDAY...Clear. Lows in the mid 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 40s. Highs in the
upper 60s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
.WEDNESDAY...Sunny. Highs in the mid 60s.
$$
WYZ278-020900-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......2 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then west.
Mixing Height.......400-2400 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......1 degree cooler.
Max humidity........70-76 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....65-70.
24 hr trend......2 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph with gusts to around 25 mph.
Ridge top winds.....West around 5 mph until 1200, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......400-2200 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the upper 30s. Highs around 70.
Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 70s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s.
.WEDNESDAY...Sunny. Highs in the upper 60s.
$$
WYZ277-020900-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......2 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with higher gusts.
Ridge top winds.....North around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then west.
Mixing Height.......400-2000 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......1 degree cooler.
Max humidity........65-71 percent.
24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2400, 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.......1200-3200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......3 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......400-2200 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 70s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows around 40. Highs in the upper 60s.
.WEDNESDAY...Sunny. Highs in the upper 60s.
$$
WYZ279-020900-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......Unchanged.
Min humidity........33-39 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then west.
Mixing Height.......400-2000 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......Unchanged.
Max humidity........61-67 percent.
24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......3 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 30 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......400-2400 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s.
.WEDNESDAY...Sunny. Highs in the lower 70s.
$$
WYZ289-020900-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....65-70.
24 hr trend......2 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph until 1200, then
southwest. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southwest.
Mixing Height.......400-2000 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....40-45.
24 hr trend......Unchanged.
Max humidity........65-71 percent.
24 hr trend......18 percent drier.
Humidity recovery...Good.
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.......1200-3200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......3 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
west around 20 mph. Gusts up to 35 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......400-2400 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southwest
winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. Northeast winds around 10 mph.
.SUNDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid
70s. Southwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
.WEDNESDAY...Sunny. Highs in the lower 70s.
$$
WYZ300-020900-
Casper Mountain-
1247 AM MDT Thu Oct 1 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......3 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph until 1500, then southwest. Gusts
up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest.
Mixing Height.......800-2800 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......1 degree warmer.
Max humidity........66-72 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......600-2600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......4 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......14 percent drier.
20-foot winds.......South winds around 10 mph until 1200, then
west. Gusts up to 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......800-2800 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the
upper 60s. East winds around 10 mph.
.SUNDAY...Clear. Lows in the upper 40s. Highs around 70. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Lows around 50. Highs in the lower 70s.
Southwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s.
.WEDNESDAY...Sunny. Highs in the upper 60s.
$$