Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
009
FNUS55 KRIW 290712
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
112 AM MDT Wed Jul 29 2026
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Monsoonal moisture will move over the area today and bring scattered
showers and thunderstorms, with the most numerous in the afternoon
and evening. Any thunderstorm could contain heavy rain. Relative
humidity will remain above critical levels. 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)...
Monsoonal moisture will move over the area today and bring
isolated to scattered showers and thunderstorms, with the most
numerous in and near the mountains. Any thunderstorm could
contain heavy rain. Relative humidity will remain above critical
levels, but will drop into the teens at times in the northern zones.
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)...
Monsoonal moisture will move over the area today and bring
isolated to scattered showers and thunderstorms, with the most
numerous in Zone 277, southern Zone 279 as well as Zones 281, 280
and 300. Any thunderstorm could contain heavy rain. Relative
humidity will remain above critical levels,. 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.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-300915-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy. Patchy smoke through the day.
Slight chance of showers and thunderstorms
early in the afternoon. Chance of showers and
thunderstorms late in the afternoon, then
slight chance of showers and thunderstorms late
in the afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....87-92.
24 hr trend......2 degrees cooler.
Min humidity........22-28 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....60-65.
24 hr trend......1 degree cooler.
Max humidity........64-70 percent.
24 hr trend......1 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....86-91.
24 hr trend......1 degree cooler.
Min humidity........22-28 percent.
24 hr trend......3 percent drier.
20-foot winds.......West winds around 10 mph until 1200, then
northwest. Gusts up to 25 mph.
Ridge top winds.....West around 15 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows around 60. Highs in the lower 90s.
Southwest winds around 10 mph.
.SATURDAY...Clear. Lows in the mid 60s. Highs in the upper 90s.
Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
90s. Northwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 80s.
$$
WYZ283-300915-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy smoke through the day. Slight chance of
showers and thunderstorms in the afternoon.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....83-88.
24 hr trend......4 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms
early in the evening. Chance of precipitation
20 percent.
Chance of thunder...20 percent.
Min temperature.....56-61.
24 hr trend......3 degrees cooler.
Max humidity........60-66 percent.
24 hr trend......13 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....85-90.
24 hr trend......2 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......8 percent drier.
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.......2400-4400 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows around 60. Winds generally
less than 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
90s. Winds generally less than 10 mph.
.SATURDAY...Clear. Lows in the mid 60s. Highs in the upper 90s.
Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs around 100.
West winds around 10 mph.
.MONDAY...Not as warm. Clear. Lows in the upper 50s. Highs around
90.
.TUESDAY...Mostly sunny. Highs in the upper 80s.
$$
WYZ285-300915-
South Bighorn Mountains-
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy smoke through the day. Slight chance of
showers and thunderstorms in the afternoon.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....82-87.
24 hr trend......2 degrees cooler.
Min humidity........22-28 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers in the evening. Slight
chance of thunderstorms in the evening. Chance
of showers late in the evening. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....56-61.
24 hr trend......3 degrees cooler.
Max humidity........59-65 percent.
24 hr trend......10 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.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of showers and thunderstorms early in
the afternoon. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....80-85.
24 hr trend......2 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......2 percent drier.
20-foot winds.......Northwest winds around 10 mph until 1500, then
north. Gusts up to 20 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8000-10000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. East winds
around 10 mph.
.FRIDAY...Clear. Lows in the lower 60s. Highs in the mid 80s.
West winds around 10 mph.
.SATURDAY...Clear. Lows in the upper 60s. Highs in the lower 90s.
Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Lows around 60. Highs in the lower 90s.
West winds around 10 mph.
.MONDAY...Not as warm. Clear. Lows in the mid 50s. Highs in the
lower 80s.
.TUESDAY...Mostly sunny. Highs in the lower 80s.
$$
WYZ281-300915-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy. Patchy smoke through the day.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....87-92.
24 hr trend......1 degree cooler.
Min humidity........21-27 percent.
24 hr trend......5 percent wetter.
20-foot winds.......South winds around 10 mph until 1500, then
northeast. Gusts up to 20 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms in the
evening, then slight chance of showers after
midnight. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....60-65.
24 hr trend......2 degrees cooler.
Max humidity........63-69 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph until 2100, then
north until 2400, then downslope/downvalley 4-7
mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....82-87.
24 hr trend......4 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 60s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the mid 90s. South
winds around 10 mph.
.SATURDAY...Clear. Lows in the upper 60s. Highs around 101. South
winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
90s. North winds around 15 mph.
.MONDAY...Not as warm. Clear. Lows in the upper 50s. Highs in the
mid 80s.
.TUESDAY...Mostly sunny. Highs in the upper 80s.
$$
WYZ282-300915-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy smoke through the day. Slight chance of
showers and thunderstorms late in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....85-90.
24 hr trend......2 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....57-62.
24 hr trend......3 degrees cooler.
Max humidity........59-65 percent.
24 hr trend......12 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph and gusty until
2100, then southwest and gusty 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 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....83-88.
24 hr trend......1 degree cooler.
Min humidity........20-26 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph with higher gusts.
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.......2000-4000 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Winds
generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows 64 to 69. Highs 96 to 101.
South winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 60s. Highs around 101.
West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the upper 50s. Highs
87 to 92.
$$
WYZ275-300915-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy. Patchy smoke through the day.
Slight chance of showers and thunderstorms late
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....84-89.
24 hr trend......1 degree cooler.
Min humidity........19-25 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph with higher gusts.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....56-61.
24 hr trend......3 degrees cooler.
Max humidity........59-65 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
southwest.
Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.THURSDAY...
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.....81-86.
24 hr trend......2 degrees cooler.
Min humidity........24-30 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph 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.......1800-3800 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 60s. Winds
generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows 64 to 69. Highs 96 to 101.
South winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
90s. Northwest winds around 15 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the mid 50s. Highs 85 to
90.
$$
WYZ276-300915-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy. Patchy smoke through the day.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....84-89.
24 hr trend......3 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph until 1500, then west.
Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms early in the
evening. Slight chance of showers in the
evening. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....59-64.
24 hr trend......3 degrees cooler.
Max humidity........52-58 percent.
24 hr trend......15 percent wetter.
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.......1000-3000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of showers and thunderstorms early in
the afternoon. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....83-88.
24 hr trend......1 degree cooler.
Min humidity........28-34 percent.
24 hr trend......2 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 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 60s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
90s. Winds generally less than 10 mph.
.SATURDAY...Clear. Lows in the upper 60s. Highs in the upper 90s.
Southwest winds around 15 mph.
.SUNDAY...Mostly clear. Lows around 60. Highs in the lower 90s.
Northwest winds around 20 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the mid 50s. Highs 79 to
84.
$$
WYZ287-300915-
Owl Creek Mountains-
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy smoke through the day. Slight chance of
showers and thunderstorms in the afternoon.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....79-84.
24 hr trend......2 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph with higher gusts until 1500,
then west 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.......2400-4400 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms early in the
evening. Slight chance of showers early in the
evening. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....58-63.
24 hr trend......3 degrees cooler.
Max humidity........50-56 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of showers and thunderstorms early in
the afternoon. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 40 percent.
Chance of thunder...30 percent.
Max temperature.....79-84.
24 hr trend......1 degree cooler.
Min humidity........25-31 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph until 1500, then
northwest. Gusts up to 15 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then north.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows around 60. West winds around
10 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
80s. West winds around 10 mph.
.SATURDAY...Clear. Lows in the upper 60s. Highs in the mid 90s.
Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
90s. West winds around 15 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the mid 50s. Highs in
the lower 80s.
$$
WYZ286-300915-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy. Patchy smoke through the day.
Slight chance of showers and thunderstorms
early in the afternoon. Chance of showers and
thunderstorms early in the afternoon, then
slight chance of showers and thunderstorms late
in the afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....76-81.
24 hr trend......3 degrees cooler.
Min humidity........24-30 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms early in the
evening. Slight chance of showers in the
evening. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....52-57.
24 hr trend......3 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2400, 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 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of showers and thunderstorms early in
the afternoon. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....75-80.
24 hr trend......Unchanged.
Min humidity........28-34 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West winds around 10 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. West winds around 10 mph.
.SATURDAY...Clear. Lows in the upper 50s. Highs in the mid 80s.
Southwest winds around 15 mph.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s. West winds around 15 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the upper 40s. Highs
72 to 77.
$$
WYZ140-300915-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy. Patchy smoke through the day.
Slight chance of showers and thunderstorms
early in the afternoon. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....76-81.
24 hr trend......4 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200. Winds
southwest around 10 mph after 1500. Gusts up to
20 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers early in the evening. Slight
chance of thunderstorms in the evening. Slight
chance of showers early in the evening. Chance
of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....47-52.
24 hr trend......2 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......16 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South 5 to 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms
early in the afternoon. Chance of precipitation
20 percent.
Chance of thunder...10 percent.
Max temperature.....77-82.
24 hr trend......1 degree warmer.
Min humidity........29-35 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s. Winds generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Clear. Lows 47 to 52. Highs 80 to 85.
Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the mid 40s. Highs 74 to
79.
$$
WYZ415-300915-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy smoke in the morning. Showers likely and
chance of thunderstorms in the afternoon.
Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....72-77.
24 hr trend......5 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest.
Mixing Height.......3000-5000 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers early in the
evening. Slight chance of thunderstorms in the
evening. Slight chance of showers late in the
evening. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southeast 5 to 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southeast 5 to 10 mph.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
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.....76-81.
24 hr trend......3 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......2200-4200 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows around 50. Winds generally
less than 10 mph.
.FRIDAY THROUGH SUNDAY...Clear. Lows 50 to 55. Highs 81 to 86.
Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the upper 40s. Highs
77 to 82.
$$
WYZ416-300915-
West Wind River Mountains/East Zone Bridger Teton NF-
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Mostly cloudy. Patchy smoke in the morning.
Patchy smoke early in the afternoon. Slight
chance of showers and thunderstorms early in
the afternoon. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....68-73.
24 hr trend......6 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......3400-5400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....47-52.
24 hr trend......2 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
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...10 percent.
Max temperature.....72-77.
24 hr trend......4 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.FRIDAY...Clear. Lows in the lower 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Clear. Lows 51 to 56. Highs in the
lower 80s. West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the upper 40s. Highs in
the upper 70s.
$$
WYZ288-300915-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Mostly cloudy. Patchy smoke until late
afternoon. Patchy smoke late in the afternoon.
Chance of showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....72-77.
24 hr trend......4 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms
early in the evening. Chance of precipitation
20 percent.
Chance of thunder...20 percent.
Min temperature.....50-55.
24 hr trend......3 degrees cooler.
Max humidity........59-65 percent.
24 hr trend......12 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, 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 10 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
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.....75-80.
24 hr trend......3 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......11 percent drier.
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.....West around 15 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Winds generally less than 10 mph.
.SATURDAY...Clear. Lows in the upper 50s. Highs in the mid 80s.
Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows around 50. Highs
around 80.
$$
WYZ414-300915-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy smoke in the morning. Slight chance of
showers and thunderstorms in the morning, then
showers likely and chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...40 percent.
Max temperature.....71-76.
24 hr trend......7 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph until 1500, then west. Gusts up
to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......2800-4800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening, then chance
of showers and thunderstorms early in the
evening. Slight chance of showers and
thunderstorms late in the evening. Chance of
precipitation 40 percent.
Chance of thunder...30 percent.
Min temperature.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph until 2400, then
southeast.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast around 10 mph until 2400, then
southeast.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....76-81.
24 hr trend......5 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.FRIDAY...Clear. Lows in the mid 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Clear. Lows 54 to 59. Highs 84 to 89.
West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the lower 50s. Highs in
the lower 80s.
$$
WYZ278-300915-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Mostly cloudy. Patchy smoke until late
afternoon. Chance of showers and slight chance
of thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....72-77.
24 hr trend......7 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then
southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
24 hr trend......3 degrees cooler.
Max humidity........76-82 percent.
24 hr trend......23 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...10 percent.
Max temperature.....79-84.
24 hr trend......6 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200. Winds west
around 10 mph with gusts to around 25 mph after
1500.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.FRIDAY...Clear. Lows in the mid 50s. Highs in the upper 80s.
Winds generally less than 10 mph.
.SATURDAY...Clear. Lows in the upper 50s. Highs in the lower 90s.
Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
90s. Northwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
80s.
.TUESDAY...Sunny. Highs in the upper 80s.
$$
WYZ277-300915-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Mostly cloudy. Patchy smoke in the morning.
Slight chance of thunderstorms in the morning.
Chance of showers through the day. Chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....72-77.
24 hr trend......7 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....49-54.
24 hr trend......3 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
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.......2000-4000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......8 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......20 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with higher gusts.
Ridge top winds.....Southwest around 5 mph until 1200, then west
around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 5 mph until 1200, then west around
15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Clear. Lows in the lower 50s. Winds generally
less than 10 mph.
.FRIDAY...Clear. Lows in the mid 50s. Highs in the lower 90s.
Winds generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Clear. Lows 56 to 61. Highs in the
lower 90s. West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the mid 50s. Highs
around 90.
$$
WYZ279-300915-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Patchy smoke until late afternoon. Slight
chance of showers in the morning. Chance of
showers and thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....75-80.
24 hr trend......7 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....53-58.
24 hr trend......3 degrees cooler.
Max humidity........74-80 percent.
24 hr trend......21 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
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........25-31 percent.
24 hr trend......21 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
90s. Winds generally less than 10 mph.
.SATURDAY...Clear. Lows in the lower 60s. Highs in the mid 90s.
Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
90s. West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the upper 50s.
Highs 90 to 95.
$$
WYZ289-300915-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Mostly cloudy. Patchy smoke. Slight chance of
showers and thunderstorms in the afternoon.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....79-84.
24 hr trend......5 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....56-61.
24 hr trend......3 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......13 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2100, 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 10 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......4 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph. Gusts up to 25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs around 90.
Winds generally less than 10 mph.
.SATURDAY...Clear. Lows in the mid 60s. Highs in the lower 90s.
Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
90s. West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the mid 50s.
Highs in the upper 80s.
$$
WYZ300-300915-
Casper Mountain-
112 AM MDT Wed Jul 29 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy smoke. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....81-86.
24 hr trend......1 degree cooler.
Min humidity........30-36 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....South around 10 mph.
Mixing Height.......3800-5800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers in the
evening. Slight chance of thunderstorms through
the night. Slight chance of showers after
midnight. Chance of precipitation 30 percent.
Chance of thunder...20 percent.
Min temperature.....58-63.
24 hr trend......1 degree cooler.
Max humidity........63-69 percent.
24 hr trend......1 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....South around 10 mph until 2400, then southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 10 mph until 2400, then west.
Mixing Height.......1600-3600 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....81-86.
24 hr trend......Unchanged.
Min humidity........25-31 percent.
24 hr trend......7 percent drier.
20-foot winds.......West winds around 10 mph until 1500, then
northwest. Gusts up to 25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. South winds around 10 mph.
.SATURDAY...Clear. Lows in the mid 60s. Highs around 90.
Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers. Lows in the
lower 60s. Highs in the mid 90s. Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 80s.
$$