Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
034
FNUS55 KRIW 020701
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
101 AM MDT Tue Sep 2 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Today will be another warm and mainly dry day. An isolated shower or
thunderstorm is possible over eastern portions of the zone in the
afternoon, but the chance is less than 1 out of 4. Relative humidity
will fall close to 15 percent in the lower elevations. However, wind
should remain light to moderate except in and around any shower or
thunderstorm. Mixing and smoke dispersal will be generally good to
very good in the afternoon.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Today will be another warm and mainly dry day. An isolated shower or
thunderstorm is possible in and near the mountains in the afternoon,
and evening, but the chance is less than 1 out of 4. Relative
humidity will fall under 15 percent in the lower elevations.
However, wind should remain light to moderate except in and around
any shower or thunderstorm. Mixing and smoke dispersal will be
generally good to very good in the afternoon.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Today will be another warm and mainly dry day. An isolated shower or
thunderstorm is possible in and near the mountains in Zones 281 and
278 in the afternoon, and evening, but the chance is less than 1 out
of 4. Relative humidity will fall under 15 percent in the lower
elevations. However, wind should remain light to moderate except in
and around any shower or thunderstorm. Mixing and smoke dispersal will
be generally good to very good in the afternoon. A gusty breeze will
develop in Zone 281 after 0200 tonight with cooler temperatures on
Wednesday following the passage of a cold front.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-030915-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......2 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....53-58.
24 hr trend......1 degree warmer.
Max humidity........57-63 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North around 15 mph until 2400, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then
northwest.
Mixing Height.......4000-6000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......5 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
80s. North winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.SUNDAY...Mostly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ283-030915-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......2 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......800-2800 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......1 degree warmer.
Max humidity........51-57 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2400, then
west. Gusts up to 15 mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......4000-6000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......3 degrees cooler.
Min humidity........22-28 percent.
24 hr trend......6 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.....Northwest around 10 mph until 1200, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 80s. North winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.SUNDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ285-030915-
South Bighorn Mountains-
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......1 degree warmer.
Min humidity........18-24 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph until 1500, then
northwest. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
northwest.
Mixing Height.......2200-4200 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......1 degree cooler.
Max humidity........51-57 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......5 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty until
0900, then upslope/upvalley 5-9 mph until 1200,
then northwest 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. Northwest winds around 15 mph.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
60s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 50s. Highs in the lower 70s. Southeast winds around 10 mph.
.SUNDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 70.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 60s.
$$
WYZ281-030915-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......1 degree warmer.
Min humidity........20-26 percent.
24 hr trend......2 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 southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....53-58.
24 hr trend......Unchanged.
Max humidity........65-71 percent.
24 hr trend......16 percent wetter.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph with gusts to around
15 mph until 2100, then downslope/downvalley
4-7 mph until 2400, then northwest 10 to 15 mph
with gusts to around 25 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor to fair.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......9 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......19 percent wetter.
20-foot winds.......North winds 10 to 15 mph. Gusts up to 25 mph
until 1200, then 15 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
70s. North winds around 15 mph.
.FRIDAY...Cooler, clear. Lows in the mid 40s. Highs in the upper
60s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. Winds generally less than 10 mph.
.SUNDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ282-030915-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......1 degree warmer.
Min humidity........14-20 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then northwest.
Mixing Height.......1200-3200 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......Unchanged.
Max humidity........53-59 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North 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.....North around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......4 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 80s. Northwest winds around 15 mph.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 50s. Highs around 80. Winds generally less than 10 mph.
.SUNDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ275-030915-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......1 degree warmer.
Min humidity........16-22 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph with higher gusts until
1500, then north with higher gusts.
Ridge top winds.....South around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then northwest.
Mixing Height.......1000-3000 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......Unchanged.
Max humidity........54-60 percent.
24 hr trend......12 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North winds 10 to 15 mph with gusts to around
25 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......4 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 80s. North winds around 15 mph.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs around 80.
Winds generally less than 10 mph.
.SUNDAY...Mostly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 80.
$$
WYZ276-030915-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....79-84.
24 hr trend......1 degree warmer.
Min humidity........18-24 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 10 mph until 1200, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then north.
Mixing Height.......1600-3600 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....53-58.
24 hr trend......Unchanged.
Max humidity........53-59 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......4 degrees cooler.
Min humidity........28-34 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 4800-6800 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. North winds around 15 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 70. Winds
generally less than 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.SUNDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.MONDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ287-030915-
Owl Creek Mountains-
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......1 degree warmer.
Min humidity........16-22 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then east
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then northwest.
Mixing Height.......800-2800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....53-58.
24 hr trend......1 degree warmer.
Max humidity........44-50 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 15 to 20 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......4 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1500, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North around 15 mph until 1200, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. North winds around 15 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
Winds generally less than 10 mph.
.SUNDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.MONDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ286-030915-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....71-76.
24 hr trend......Unchanged.
Min humidity........19-25 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the evening. Chance of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......1 degree warmer.
Max humidity........61-67 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Good.
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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......3 degrees cooler.
Min humidity........28-34 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West
winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the
upper 60s. North winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. South
winds around 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.SUNDAY...Mostly cloudy with showers likely and chance of
thunderstorms. Lows in the mid 40s. Highs in the lower 60s.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the lower 60s.
$$
WYZ140-030915-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......1 degree warmer.
Min humidity........18-24 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
northwest.
Mixing Height.......2200-4200 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......1 degree warmer.
Max humidity........68-74 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......2 degrees cooler.
Min humidity........24-30 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows 38 to 43. Highs
69 to 74. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.SUNDAY...Mostly cloudy with chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the lower 60s.
.MONDAY...Partly cloudy. Slight chance of showers in the morning,
then chance of showers and thunderstorms in the afternoon. Highs
in the mid 60s.
$$
WYZ415-030915-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......1 degree warmer.
Min humidity........19-25 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
northwest.
Mixing Height.......2200-4200 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......1 degree warmer.
Max humidity........62-68 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......2 degrees cooler.
Min humidity........24-30 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds
generally less than 10 mph.
.SUNDAY...Mostly cloudy with chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the lower 60s.
.MONDAY...Partly cloudy. Slight chance of showers in the morning,
then chance of showers and thunderstorms in the afternoon. Highs
in the mid 60s.
$$
WYZ416-030915-
West Wind River Mountains/East Zone Bridger Teton NF-
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy. Areas
of smoke early in the morning. Areas of smoke
late in the morning. Areas of smoke late in the
afternoon. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....70-75.
24 hr trend......2 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......1 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.....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.......3000-5000 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Areas of smoke early in the
evening.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......1 degree warmer.
Max humidity........62-68 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northeast winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......3 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......4 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.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs around 70.
North winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the lower 60s. Winds generally
less than 10 mph.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows around 40. Highs around 60.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the lower 60s.
$$
WYZ288-030915-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....71-76.
24 hr trend......1 degree warmer.
Min humidity........17-23 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the evening. Chance of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......1 degree warmer.
Max humidity........53-59 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......3 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. North winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.SUNDAY...Mostly cloudy with chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the lower 60s.
.MONDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 60s.
$$
WYZ414-030915-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......1 degree warmer.
Min humidity........16-22 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then northwest.
Mixing Height.......2600-4600 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......1 degree warmer.
Max humidity........62-68 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph.
Mixing Height.......4000-6000 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......2 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds
generally less than 10 mph.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the mid 60s.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 60s.
$$
WYZ277>279-030915-
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Evanston, Fort Bridger, Kemmerer,
Big Piney, Farson, Pinedale, Green River, Rock Springs,
and Wamsutter
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......2 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then northwest.
Mixing Height.......1400-3400 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......1 degree warmer.
Max humidity........55-61 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......2 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 40s. Highs around
80. North winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
Winds generally less than 10 mph.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs around 70.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ289-030915-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......2 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest 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
northwest.
Mixing Height.......1200-3200 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......1 degree warmer.
Max humidity........51-57 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
north around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......4 degrees cooler.
Min humidity........18-24 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
70s. North winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.SUNDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ300-030915-
Casper Mountain-
101 AM MDT Tue Sep 2 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......2 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then
northwest.
Mixing Height.......2400-4400 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......1 degree warmer.
Max humidity........54-60 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then
northwest.
Mixing Height.......3800-5800 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......4 degrees cooler.
Min humidity........28-34 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 15 to 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
70s. North winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
60s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows around 50. Highs in the lower 70s. Winds
generally less than 10 mph.
.SUNDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 60s.
$$