Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
518
FNUS55 KRIW 040933
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
333 AM MDT Mon Aug 4 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
*** RED FLAG WARNING IN EFFECT TODAY FOR ZONES 414 AND 416 ***
Warmer temperatures today along with gusty southwest winds will
lead to elevated to critical fire weather conditions through this
evening. A few showers are possible this afternoon for zone 140.
Dry and breezy conditions continue across the region through most
of the upcoming week.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
*** RED FLAG WARNING IN EFFECT TODAY FOR ZONES 288 AND 289 ***
Warmer temperatures today along with gusty southwest winds will
lead to elevated to critical fire weather conditions through this
evening. A few showers are possible this afternoon for zone 286.
Dry and breezy conditions continue across the region through most
of the upcoming week.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
*** RED FLAG WARNING IN EFFECT TODAY FOR ZONES 277, 278, 279, AND
289 ***
Warmer temperatures today along with gusty southwest winds will
lead to elevated to critical fire weather conditions through this
evening. Dry and breezy conditions continue across the region
through most of the upcoming week.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-051200-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....87-92.
24 hr trend......7 degrees warmer.
Min humidity........10-16 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then south
around 10 mph with gusts to around 25 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor until 1200, then very good to excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Haze early in the morning.
Chance of thunder...0 percent.
Min temperature.....58-63.
24 hr trend......2 degrees warmer.
Max humidity........43-49 percent.
24 hr trend......22 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southeast winds 10 to 15 mph until 2400, then
west. Gusts up to 25 mph.
Ridge top winds.....South around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph until 2400, then west.
Mixing Height.......6800-8800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....84-89.
24 hr trend......3 degrees cooler.
Min humidity........11-17 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 35
mph until 1500, then around 20 mph with gusts
to around 35 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......2600-4600 ft agl until 1200, then 10400-12400
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the mid 50s. North winds around
10 mph.
.WEDNESDAY...Clear. Lows in the upper 50s. Highs in the lower
90s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
90s. West winds around 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the lower 50s. Highs in the mid 80s. Northwest winds around
10 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows in the lower 50s. Highs in the upper 70s.
.SUNDAY...Mostly sunny. Highs in the lower 80s.
$$
WYZ283-051200-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated showers and thunderstorms late in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....84-89.
24 hr trend......5 degrees warmer.
Min humidity........8-14 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph with gusts to around 25
mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then around 20
mph.
Mixing Height.......1200-3200 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....53-58.
24 hr trend......1 degree warmer.
Max humidity........42-48 percent.
24 hr trend......11 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph. Gusts up to 25 mph
until 2400, then 15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......7400-9400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Excellent until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......3 degrees cooler.
Min humidity........11-17 percent.
24 hr trend......2 percent wetter.
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 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the mid 50s. West winds around
10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 90s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 90s. West winds around 15 mph.
.FRIDAY...Partly cloudy with isolated showers and thunderstorms.
Lows around 50. Highs in the mid 80s. Northwest winds around
10 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows in the lower 50s. Highs around 80.
.SUNDAY...Mostly sunny. Highs in the lower 80s.
$$
WYZ285-051200-
South Bighorn Mountains-
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny. Haze
early in the morning.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......6 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph with higher gusts.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 9600-11600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good to excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...10 percent.
Min temperature.....54-59.
24 hr trend......1 degree warmer.
Max humidity........49-55 percent.
24 hr trend......6 percent drier.
Humidity recovery...Moderate.
20-foot winds.......South winds around 10 mph until 2100, then
north until 0300, then west. Gusts up to 20
mph.
Ridge top winds.....South around 15 mph until 2400, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph until 2400, then northwest.
Mixing Height.......5600-7600 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......4 degrees cooler.
Min humidity........14-20 percent.
24 hr trend......1 percent wetter.
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 around 15 mph until 1200, then around 25
mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the mid 50s. North winds around
10 mph.
.WEDNESDAY...Clear. Lows in the upper 50s. Highs in the mid 80s.
Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
80s. West winds around 15 mph.
.FRIDAY...Not as warm. Partly cloudy with scattered showers and
isolated thunderstorms. Lows in the upper 40s. Highs in the mid
70s. Northwest winds around 10 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows in the lower 50s. Highs in the lower 70s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
$$
WYZ281-051200-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny. Haze
early in the morning.
Chance of thunder...0 percent.
Max temperature.....84-89.
24 hr trend......8 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......7 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 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 8000-10000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Haze early
in the morning. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Min temperature.....57-62.
24 hr trend......Unchanged.
Max humidity........65-71 percent.
24 hr trend......Unchanged.
Humidity recovery...Good.
20-foot winds.......East winds around 10 mph until 2400, then north
until 0300, then downslope/downvalley 4-7 mph.
Gusts up to 25 mph.
Ridge top winds.....East around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......5 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph until 1500, then northwest. Gusts
up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 90s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 90s. West winds around 10 mph.
.FRIDAY...Not as warm. Partly cloudy with scattered showers and
thunderstorms. Lows in the lower 50s. Highs around 80. North
winds around 10 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows in the lower 50s. Highs in the upper 70s.
.SUNDAY...Partly cloudy. Highs in the lower 80s.
$$
WYZ282-051200-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms late in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....83-88.
24 hr trend......7 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then south
around 10 mph with higher gusts.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good to excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....51-56.
24 hr trend......Unchanged.
Max humidity........57-63 percent.
24 hr trend......4 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2400, then
west until 0300, then downslope/downvalley 4-7
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.......6200-8200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......4 degrees cooler.
Min humidity........14-20 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 10 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the mid 50s. Winds generally less
than 10 mph.
.WEDNESDAY...Warmer. Mostly clear. Lows in the upper 50s. Highs
in the lower 90s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 90s. West winds around 10 mph.
.FRIDAY...Not as warm. Partly cloudy with isolated showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Northwest winds around 10 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows in the lower 50s. Highs in the upper 70s.
.SUNDAY...Mostly sunny. Highs in the lower 80s.
$$
WYZ275-051200-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms early in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....80-85.
24 hr trend......5 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then south
around 10 mph with higher gusts.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....51-56.
24 hr trend......1 degree cooler.
Max humidity........59-65 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny. Haze early in the morning.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......3 degrees cooler.
Min humidity........16-22 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 10 mph.
.WEDNESDAY...Warmer. Mostly clear. Lows in the upper 50s. Highs
in the lower 90s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with isolated showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 90s.
Northwest winds around 10 mph.
.FRIDAY...Not as warm. Partly cloudy with isolated showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Northwest winds around 10 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows in the lower 50s. Highs in the upper 70s.
.SUNDAY...Partly cloudy. Highs in the lower 80s.
$$
WYZ276-051200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the afternoon. Scattered
showers and thunderstorms late in the
afternoon, then isolated showers and
thunderstorms late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....79-84.
24 hr trend......3 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......5 percent drier.
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.Less than 5 percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Haze after
midnight. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....52-57.
24 hr trend......1 degree warmer.
Max humidity........52-58 percent.
24 hr trend......6 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph until 0300, then
west. Gusts up to 15 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny. Areas
of smoke early in the morning. Haze early in
the morning.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......1 degree cooler.
Min humidity........16-22 percent.
24 hr trend......6 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s. West winds around 10 mph.
.THURSDAY...Partly cloudy with isolated showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. West
winds around 10 mph.
.FRIDAY...Not as warm. Partly cloudy with scattered showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
Northwest winds around 10 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows in the lower 50s. Highs in the mid 70s.
.SUNDAY...Partly cloudy. Highs in the upper 70s.
$$
WYZ287-051200-
Owl Creek Mountains-
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....81-86.
24 hr trend......6 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then around 20
mph.
Mixing Height.......1000-3000 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good to excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....55-60.
24 hr trend......1 degree warmer.
Max humidity........41-47 percent.
24 hr trend......8 percent drier.
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.......5400-7400 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......3 degrees cooler.
Min humidity........11-17 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 30 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
80s. West winds around 10 mph.
.FRIDAY...Not as warm. Partly cloudy with scattered showers and
isolated thunderstorms. Lows in the upper 40s. Highs in the mid
70s. Northwest winds around 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows in the lower 50s. Highs in the lower 70s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
$$
WYZ286-051200-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....70-75.
24 hr trend......2 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 25 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph until 1200, then south
around 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered showers early in the
evening. Isolated thunderstorms early in the
evening. Isolated showers in the evening. Haze
after midnight. Areas of smoke early in the
morning. Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........54-60 percent.
24 hr trend......7 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......4 degrees cooler.
Min humidity........18-24 percent.
24 hr trend......1 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 1200, then around 30
mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. West winds
around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 70s. West winds around 10 mph.
.THURSDAY...Partly cloudy with isolated showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
West winds around 15 mph.
.FRIDAY...Partly cloudy with scattered showers and thunderstorms.
Lows in the lower 40s. Highs in the mid 60s. West winds around
15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows in the mid 40s. Highs in the mid 60s.
.SUNDAY...Partly cloudy. Highs in the upper 60s.
$$
WYZ140-051200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers and thunderstorms early in the
afternoon. Scattered showers and thunderstorms
late in the afternoon. Chance of precipitation
50 percent.
Chance of thunder...30 percent.
Max temperature.....74-79.
24 hr trend......2 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 25 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered showers and isolated
thunderstorms early in the evening, then
isolated showers late in the evening. Haze late
in the evening. Areas of smoke after midnight.
Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....40-45.
24 hr trend......2 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......4 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with isolated showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with scattered showers and thunderstorms.
Lows in the upper 30s. Highs in the mid 60s. West winds around
10 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows around 40. Highs in the upper 60s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
$$
WYZ415-051200-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....76-81.
24 hr trend......2 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 11000-13000
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the evening. Isolated showers early in the
evening. Haze late in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....44-49.
24 hr trend......1 degree cooler.
Max humidity........63-69 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......4 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
mid 70s. South winds around 10 mph.
.THURSDAY...Partly cloudy with isolated showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with isolated showers and thunderstorms.
Lows in the upper 30s. Highs in the mid 60s. Southwest winds
around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the lower 40s.
Highs 67 to 72.
$$
WYZ416-051200-
West Wind River Mountains/East Zone Bridger Teton NF-
333 AM MDT Mon Aug 4 2025
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....73-78.
24 hr trend......3 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 11200-13200
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......Unchanged.
Max humidity........50-56 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph until 2400, then downslope/downvalley 4-7
mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then northwest
around 10 mph.
Mixing Height.......6000-8000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Excellent until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......4 degrees cooler.
Min humidity........18-24 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West winds 10 to 15 mph until 1200, then around
20 mph. Gusts up to 35 mph.
Ridge top winds.....West around 15 mph until 1200, then around 25
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 1200, then around 30
mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the mid 40s. Winds generally less
than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
mid 70s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s. West winds around 15 mph.
.FRIDAY...Partly cloudy with isolated showers and thunderstorms.
Lows in the upper 30s. Highs in the mid 60s. West winds around
10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows around 40. Highs
65 to 70.
$$
WYZ288-051200-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
333 AM MDT Mon Aug 4 2025
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......3 degrees warmer.
Min humidity........10-16 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph with gusts to around 30
mph until 1500, then southwest with gusts to
around 30 mph.
Ridge top winds.....South around 10 mph until 1200, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Haze after
midnight. Chance of precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......1 degree warmer.
Max humidity........44-50 percent.
24 hr trend......7 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
until 2400, then 20 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......6200-8200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Excellent until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......4 degrees cooler.
Min humidity........15-21 percent.
24 hr trend......4 percent wetter.
20-foot winds.......West winds 10 to 15 mph until 1200, then around
20 mph. Gusts up to 40 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 1200, then around 30
mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows around 50. West winds around
10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. West winds around 15 mph.
.FRIDAY...Partly cloudy with isolated showers and thunderstorms.
Lows in the mid 40s. Highs around 70. West winds around 15 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the mid 40s.
Highs around 70.
$$
WYZ414-051200-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
333 AM MDT Mon Aug 4 2025
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......2 degrees warmer.
Min humidity........12-18 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph with gusts to around 30 mph until
1500, then southwest with gusts to around 30
mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph until 1200, then
southwest around 25 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 12000-14000
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......2 degrees cooler.
Max humidity........69-75 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph until 2400. Downslope/downvalley 4-7 mph
after 0300.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......5200-7200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......3 degrees cooler.
Min humidity........17-23 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the upper 40s. Winds generally
less than 10 mph.
.WEDNESDAY...Mostly clear. Lows around 50. Highs in the upper
70s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. West winds around 10 mph.
.FRIDAY...Partly cloudy with isolated showers and thunderstorms.
Lows in the lower 40s. Highs in the upper 60s. West winds around
10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the mid 40s.
Highs 69 to 74.
$$
WYZ277>279-051200-
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
333 AM MDT Mon Aug 4 2025
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......4 degrees warmer.
Min humidity........8-14 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest around 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 11600-13600
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Haze in the late evening and
early morning.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........48-54 percent.
24 hr trend......1 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
until 2400, then 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......6800-8800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Excellent until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......3 degrees cooler.
Min humidity........13-19 percent.
24 hr trend......5 percent wetter.
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 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the upper 40s. Winds generally
less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 80s. Southwest winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows 46 to 51. Highs
81 to 86. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 40s.
Highs around 80.
$$
WYZ289-051200-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
333 AM MDT Mon Aug 4 2025
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......5 degrees warmer.
Min humidity........3-9 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with gusts to around 30
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 around 20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 11800-13800
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Haze after midnight.
Chance of thunder...0 percent.
Min temperature.....54-59.
24 hr trend......1 degree warmer.
Max humidity........27-33 percent.
24 hr trend......18 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 30
mph until 2400, then 20 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......7400-9400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Excellent until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......4 degrees cooler.
Min humidity........8-14 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
west around 20 mph. Gusts up to 35 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9600-11600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the lower 50s. West winds around
10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 80s. Southwest winds around 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
in the upper 40s. Highs in the lower 80s. West winds around
15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows around 50. Highs in the upper 70s.
.SUNDAY...Mostly sunny. Highs in the upper 70s.
$$
WYZ300-051200-
Casper Mountain-
333 AM MDT Mon Aug 4 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......7 degrees warmer.
Min humidity........11-17 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 12200-14200
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Haze early in the morning.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......2 degrees warmer.
Max humidity........23-29 percent.
24 hr trend......27 percent drier.
Humidity recovery...Poor.
20-foot winds.......South winds 10 to 15 mph with gusts to around
25 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......6200-8200 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......3 degrees cooler.
Min humidity........12-18 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Southwest 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.......2800-4800 ft agl until 1200, then 10600-12600
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 55 to 60. Highs
in the mid 80s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
around 50. Highs in the lower 80s. Northwest winds around 10 mph.
.SATURDAY...Partly cloudy with isolated showers and
thunderstorms. Lows around 50. Highs in the lower 70s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
$$