Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
935
FNUS55 KRIW 221900
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
100 PM MDT Sun Jun 22 2025
...Freeze Warning Sunday Night for the Far West Valleys and Basins...
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Ongoing showers and a few thunderstorms continue through Sunday
evening, especially over Zones 140 and 415, as low pressure moves
through northwest Wyoming. The low pressure system tracks into
Montana late Sunday night leaving a clearing sky by sunrise Monday.
Temperatures warm Monday, but remain below average. Dry conditions
and wind less than 15 mph prevail through Monday night.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Ongoing showers and a few thunderstorms continue through Sunday
evening across mainly the north half of the district as low pressure
moves through northwest Wyoming. The low pressure system tracks into
Montana late Sunday night leaving a clearing sky by sunrise Monday.
Temperatures warm Monday, but remain below average. Dry conditions
and wind less than 15 mph prevail through Monday night.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Conditions will be mostly dry with less cloud cover in the wake of a
low pressure system that moves across northwest Wyoming into Montana
overnight. Temperatures warm Monday, but remain below average. Wind
speeds Monday are 15 mph or less in typically breezy areas.
Southeast surface flow transports moisture back into Natrona and
Johnson Counties late Monday with a few showers possible. A better
chance of showers and storms, some strong, comes Tuesday afternoon
for these same counties.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-232100-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......20 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 40 mph.
Ridge top winds.....West around 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 35 mph.
Mixing Height.......8400-9800 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......7 degrees cooler.
Max humidity........71-77 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph until 2400. Downslope/downvalley 4-7 mph
after 0300.
Ridge top winds.....West around 25 mph until 2400, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2400, then around 15
mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....70-75.
24 hr trend......4 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast 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 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....47-52.
24 hr trend......8 degrees warmer.
Max humidity........82-88 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....East 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East 15 to 20 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....77-82.
24 hr trend......7 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....Northeast around 10 mph until 1200, then
southeast around 20 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Chance of showers and
thunderstorms in the evening. Lows in the lower 50s. Northeast
winds around 10 mph.
.WEDNESDAY...Mostly clear. Chance of showers and thunderstorms.
Lows around 50. Highs in the upper 70s. Northwest winds around
10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the mid 50s.
Highs 85 to 90. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 80s.
.SUNDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ283-232100-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....61-66.
24 hr trend......18 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......9 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph.
Mixing Height.......8400-10400 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......9 degrees cooler.
Max humidity........64-70 percent.
24 hr trend......11 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph until 2400, then around 10 mph and gusty.
Ridge top winds.....West around 25 mph until 2400, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2400, then northwest
around 15 mph.
Mixing Height.......4600-6600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......6 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast 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 6000-8000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......9 degrees warmer.
Max humidity........62-68 percent.
24 hr trend......9 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....72-77.
24 hr trend......6 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then south.
Mixing Height.......1400-3400 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Northwest
winds around 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 50. Highs in the upper 70s. Winds
generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the mid 50s.
Highs 84 to 89. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the lower 50s.
Highs 84 to 89.
$$
WYZ285-232100-
South Bighorn Mountains-
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of showers and thunderstorms early in
the evening. Chance of precipitation 50
percent.
Chance of thunder...20 percent.
Max temperature.....55-60.
24 hr trend......21 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......25 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
30 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 25 mph.
Mixing Height.......3200-5200 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......6 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph until 2400, then northwest around 10 mph
and gusty.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......7 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......19 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......11 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......7 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast winds around 10 mph until 2100, then
northeast. Gusts up to 20 mph.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....68-73.
24 hr trend......6 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northeast around 10 mph until 1200, then
southeast.
Mixing Height.......1000-3000 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the upper 40s. Northeast winds
around 10 mph.
.WEDNESDAY...Mostly clear. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
Northwest winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the mid 50s.
Highs 76 to 81. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 74 to 79.
$$
WYZ281-232100-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....58-63.
24 hr trend......20 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......3600-5600 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......7 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....North around 20 mph until 2400, then northwest
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then north
around 10 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......7 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......21 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
in the evening. Slight chance of showers in the
evening. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....48-53.
24 hr trend......10 degrees warmer.
Max humidity........73-79 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 2400, then
northeast until 0300, then downslope/downvalley
4-7 mph. Gusts up to 15 mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....70-75.
24 hr trend......6 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 30 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Chance of showers and
thunderstorms in the evening, then slight chance of showers after
midnight. Lows in the lower 50s. North winds around 10 mph.
.WEDNESDAY...Mostly clear. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the upper 70s. Winds generally
less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 50s.
Highs 84 to 89. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs 78 to 83.
$$
WYZ282-232100-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of showers and thunderstorms early in
the evening. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....55-60.
24 hr trend......23 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......26 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......3000-4000 ft agl.
Smoke dispersal.....Fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....34-39.
24 hr trend......6 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......9 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......22 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.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Poor to fair.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......9 degrees warmer.
Max humidity........61-67 percent.
24 hr trend......24 percent drier.
Humidity recovery...Good.
20-foot winds.......Northeast winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then
northwest.
Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....70-75.
24 hr trend......6 degrees warmer.
Min humidity........31-37 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph with higher gusts.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 1200, then east.
Mixing Height.......1000-3000 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Lows around 50. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 80. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 80s. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs 82 to 87.
$$
WYZ275-232100-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....51-56.
24 hr trend......20 degrees cooler.
Min humidity........52-58 percent.
24 hr trend......29 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.30 percent.
Transport winds.....West around 15 mph.
Mixing Height.......2800-3800 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 early in the
evening. Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....34-39.
24 hr trend......5 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......11 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......27 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Fair to good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......9 degrees warmer.
Max humidity........59-65 percent.
24 hr trend......24 percent drier.
Humidity recovery...Good.
20-foot winds.......East winds around 10 mph until 2100, then north
until 2400, then downslope/downvalley 4-7 mph.
Gusts up to 15 mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then
northwest.
Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
24 hr trend......6 degrees warmer.
Min humidity........31-37 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph with higher gusts.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 50s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 80. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. South winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the upper 50s. Highs in the upper 80s. Northwest winds around
10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
.SUNDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.
$$
WYZ276-232100-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....52-57.
24 hr trend......16 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......25 percent wetter.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.30 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......4200-6200 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........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.....33-38.
24 hr trend......3 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 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 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......9 degrees warmer.
Min humidity........28-34 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then southeast
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......10 degrees warmer.
Max humidity........55-61 percent.
24 hr trend......24 percent drier.
Humidity recovery...Moderate.
20-foot winds.......East winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 2400, then west.
Mixing Height.......3000-5000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the afternoon. Chance of showers in
the afternoon. Chance of thunderstorms late in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....66-71.
24 hr trend......5 degrees warmer.
Min humidity........35-41 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the mid 50s.
Highs in the lower 80s. West winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.SUNDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ287-232100-
Owl Creek Mountains-
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of showers and thunderstorms early in
the evening. Chance of precipitation 40
percent.
Chance of thunder...30 percent.
Max temperature.....53-58.
24 hr trend......20 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......22 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......4400-6400 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear. Slight
chance of showers early in the evening. Chance
of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......5 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph until 2400. Downslope/downvalley 4-7 mph
after 0300.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then north.
Mixing Height.......2400-4400 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......7 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4800-6800 ft
agl.
Smoke dispersal.....Poor to fair.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......12 degrees warmer.
Max humidity........49-55 percent.
24 hr trend......29 percent drier.
Humidity recovery...Moderate.
20-foot winds.......East winds around 10 mph until 2100, then
northwest. Gusts up to 20 mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the afternoon. Chance of showers in
the afternoon. Chance of thunderstorms late in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....65-70.
24 hr trend......6 degrees warmer.
Min humidity........33-39 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph with higher gusts.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then
southeast.
Mixing Height.......800-2800 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Lows in the upper 40s.
Northwest winds around 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
80s. West winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.SUNDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ286-232100-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Snow showers likely, chance of
thunderstorms and showers. New snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....47-52.
24 hr trend......15 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......17 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.30 percent.
Transport winds.....Southwest around 30 mph.
Mixing Height.......5600-7600 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers, showers
and slight chance of thunderstorms in the
evening. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....28-33.
24 hr trend......3 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph until 0300, then around 10 mph with gusts
to around 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....West around 25 mph until 2400, then around 15
mph.
Mixing Height.......2200-4200 ft agl until 2400, then 400-1200 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....56-61.
24 hr trend......7 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......9 degrees warmer.
Max humidity........60-66 percent.
24 hr trend......21 percent drier.
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 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....58-63.
24 hr trend......4 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......7 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.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 30 percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Lows in the upper 30s.
Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. West
winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs 68 to 73.
West winds 10 to 15 mph.
.SATURDAY...Mostly clear. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
.SUNDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 60s.
$$
WYZ140-232100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Snow showers, showers and chance of
thunderstorms. New snow accumulation up to 1
inch. Chance of precipitation 90 percent.
Chance of thunder...50 percent.
Max temperature.....44-49.
24 hr trend......12 degrees cooler.
Min humidity........55-61 percent.
24 hr trend......28 percent wetter.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.60 percent.
Transport winds.....Southwest around 30 mph.
Mixing Height.......3600-5600 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy. Snow
showers, showers likely and slight chance of
thunderstorms in the evening. Snow accumulation
up to 1 inch. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Min temperature.....25-30.
24 hr trend......3 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.25 percent until 2400, then zero percent.
Transport winds.....Southwest around 20 mph until 2400, then around
10 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-1400 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....55-60.
24 hr trend......11 degrees warmer.
Min humidity........28-34 percent.
24 hr trend......24 percent drier.
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.......1800-3800 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......5 degrees warmer.
Max humidity........73-79 percent.
24 hr trend......21 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest around 10 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then
southeast.
Mixing Height.......2800-4800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....62-67.
24 hr trend......6 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 5 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest.
Mixing Height.......2000-4000 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......
.TUESDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 30s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 30s. Highs in the
mid 60s. Winds generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 40s. Highs around
70. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
$$
WYZ415-232100-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
100 PM MDT Sun Jun 22 2025
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT
MONDAY...
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Snow showers and showers likely
early in the evening. Chance of thunderstorms
through the day. Chance of showers and snow
showers early in the evening. New snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....45-50.
24 hr trend......13 degrees cooler.
Min humidity........45-51 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.40 percent.
Transport winds.....Southwest around 30 mph.
Mixing Height.......5200-7200 ft agl.
Smoke dispersal.....Very good to excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers, snow showers
and slight chance of thunderstorms in the
evening. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....25-30.
24 hr trend......4 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Southwest around 20 mph until 2400, then around
10 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 400-1200 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....55-60.
24 hr trend......9 degrees warmer.
Min humidity........30-36 percent.
24 hr trend......16 percent drier.
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.......1800-3800 ft agl until 1200, then 5800-7800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......9 degrees warmer.
Max humidity........68-74 percent.
24 hr trend......23 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then east.
Mixing Height.......3000-5000 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
early in the afternoon. Chance of showers in
the afternoon. Chance of thunderstorms late in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....60-65.
24 hr trend......5 degrees warmer.
Min humidity........38-44 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......1800-3800 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 30s. Winds
generally less than 10 mph.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Lows 40 to 45. Highs
66 to 71. Southwest winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the lower 40s.
Highs 70 to 75.
$$
WYZ416-232100-
West Wind River Mountains/East Zone Bridger Teton NF-
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of thunderstorms and snow
showers. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....47-52.
24 hr trend......15 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......7 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
40 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 30 mph.
Mixing Height.......6200-8200 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers early in
the evening. Slight chance of thunderstorms
early in the evening. Slight chance of snow
showers early in the evening. Chance of
precipitation 40 percent.
Chance of thunder...10 percent.
Min temperature.....24-29.
24 hr trend......6 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 20 mph with gusts to around
40 mph until 2100, then around 10 mph with
gusts to around 40 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West around 20 mph until 2400, then northwest
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then northwest
around 10 mph.
Mixing Height.......2600-4600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....54-59.
24 hr trend......7 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......11 degrees warmer.
Max humidity........56-62 percent.
24 hr trend......22 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
northeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then east.
Mixing Height.......3000-5000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....59-64.
24 hr trend......6 degrees warmer.
Min humidity........33-39 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph until 1200, then
southwest. Gusts up to 20 mph.
Ridge top winds.....East around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Southeast around 15 mph until 1200, then
southwest.
Mixing Height.......2800-4800 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Slight chance of showers in the
evening. Lows in the upper 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
Winds generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows 42 to 47. Highs
67 to 72. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the mid 40s.
Highs in the lower 70s.
$$
WYZ288-232100-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of thunderstorms, snow
showers and slight chance of showers. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....50-55.
24 hr trend......17 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 45 mph.
Ridge top winds.....West around 30 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 35 mph.
Mixing Height.......7400-9400 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the evening. Chance of snow 20
percent.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......8 degrees cooler.
Max humidity........70-76 percent.
24 hr trend......15 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 40 mph until 2100. Downslope/downvalley
4-7 mph after 0300.
Ridge top winds.....West around 25 mph until 2400, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2400, then around 15
mph.
Mixing Height.......3200-5200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....58-63.
24 hr trend......8 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......11 degrees warmer.
Max humidity........54-60 percent.
24 hr trend......10 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the afternoon. Chance of showers in
the afternoon. Chance of thunderstorms late in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....60-65.
24 hr trend......5 degrees warmer.
Min humidity........37-43 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then east
around 10 mph until 1500, then west. Gusts up
to 25 mph.
Ridge top winds.....Northeast around 15 mph until 1200, then south.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....South around 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 5800-7800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s. West
winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows around 50. Highs
70 to 75. West winds 10 to 15 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 40s.
Highs in the lower 70s.
$$
WYZ414-232100-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of thunderstorms, showers
and snow showers. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....43-48.
24 hr trend......13 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......14 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 30 mph.
Mixing Height.......5600-7600 ft agl.
Smoke dispersal.....Very good to excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and snow
showers early in the evening. Slight chance of
thunderstorms early in the evening. Slight
chance of showers and snow showers early in the
evening. Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....26-31.
24 hr trend......1 degree cooler.
Max humidity........79-85 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
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 around 20 mph until 2400, then southwest
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then around 10
mph.
Mixing Height.......2200-4200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....56-61.
24 hr trend......10 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....36-41.
24 hr trend......11 degrees warmer.
Max humidity........63-69 percent.
24 hr trend......22 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then east.
Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....61-66.
24 hr trend......5 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 25 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......2400-4400 ft agl until 1200, then 5800-7800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.TUESDAY THROUGH FRIDAY...Mostly clear. Lows 41 to 46. Highs
68 to 73. Southwest winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.
$$
WYZ278-232100-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
100 PM MDT Sun Jun 22 2025
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT
MONDAY...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
through the day. Slight chance of showers early
in the evening. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....53-58.
24 hr trend......15 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph.
Mixing Height.......8200-9400 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......6 degrees cooler.
Max humidity........71-77 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph until 2400. Downslope/downvalley 4-7 mph
after 0300.
Ridge top winds.....West around 20 mph until 2400, then northwest
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2400, then north
around 10 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......8 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....39-44.
24 hr trend......11 degrees warmer.
Max humidity........52-58 percent.
24 hr trend......21 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph until 2100, then
north. Gusts up to 15 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then north.
Mixing Height.......3600-5600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....67-72.
24 hr trend......7 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph until 1500, then west. Gusts up
to 25 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then
southwest around 20 mph.
Mixing Height.......2800-4800 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...Partly cloudy. Lows around 40. Winds generally
less than 10 mph.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Lows 42 to 47. Highs
75 to 80. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the mid 40s.
Highs in the lower 80s.
$$
WYZ277-232100-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
100 PM MDT Sun Jun 22 2025
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT
MONDAY...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......14 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph.
Mixing Height.......7800-8800 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......2 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph until 2100, then northwest around 10 mph
with gusts to around 35 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 20 mph until 2400, then north
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then north
around 10 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......8 degrees warmer.
Min humidity........18-24 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest.
Mixing Height.......1200-3200 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....40-45.
24 hr trend......11 degrees warmer.
Max humidity........55-61 percent.
24 hr trend......22 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
north around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
northeast.
Mixing Height.......3600-5600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......6 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph until 1500, then west.
Gusts up to 20 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. Winds generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 40s.
Highs 79 to 84. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 80s.
.SUNDAY...Sunny. Highs in the lower 80s.
$$
WYZ279-232100-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......19 degrees cooler.
Min humidity........16-22 percent.
24 hr trend......8 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......8000-9400 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......5 degrees cooler.
Max humidity........59-65 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 30 mph until 2400. Downslope/downvalley
4-7 mph after 0300.
Ridge top winds.....Northwest around 20 mph until 2400, then west
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2400, then northwest
around 10 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......8 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph with higher gusts.
Ridge top winds.....Northeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......8 degrees warmer.
Max humidity........56-62 percent.
24 hr trend......11 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph until 2400, then north with gusts
to around 15 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
northeast.
Mixing Height.......4400-6400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......7 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph with higher gusts until
1200, then southwest 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....East around 15 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 15 mph until 1200, then southwest
around 30 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 11200-13200
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 46 to 51. Highs
77 to 82. Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
80s. Southwest winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the lower 50s.
Highs in the mid 80s.
$$
WYZ289-232100-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......21 degrees cooler.
Min humidity........15-21 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 40 mph.
Ridge top winds.....West around 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 35 mph.
Mixing Height.......8600-9400 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......8 degrees cooler.
Max humidity........57-63 percent.
24 hr trend......21 percent drier.
Humidity recovery...Good.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 35 mph until 2100. Downslope/downvalley
4-7 mph after 0300.
Ridge top winds.....West around 25 mph until 2400, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2400, then northwest
around 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......8 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......3 percent drier.
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 around 10 mph until 1200, then around
20 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......9 degrees warmer.
Max humidity........67-73 percent.
24 hr trend......12 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2100, then
north. Gusts up to 20 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
northeast.
Mixing Height.......4200-6200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny. 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......8 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Northeast winds around 10 mph with higher gusts
until 1200, then southeast with gusts to around
30 mph until 1500, then west with gusts to
around 30 mph.
Ridge top winds.....Northeast around 15 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 1200, then
southwest around 25 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. North winds
around 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. West
winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the mid 50s.
Highs 81 to 86. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the lower 50s.
Highs 82 to 87.
$$
WYZ300-232100-
Casper Mountain-
100 PM MDT Sun Jun 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......18 degrees cooler.
Min humidity........22-28 percent.
24 hr trend......14 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 35 mph.
Mixing Height.......7800-9000 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....36-41.
24 hr trend......8 degrees cooler.
Max humidity........62-68 percent.
24 hr trend......30 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph until 2400. Downslope/downvalley 4-7 mph
after 0300.
Ridge top winds.....West around 20 mph until 2400, then around 10
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2400, then around 10
mph.
Mixing Height.......3000-5000 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....65-70.
24 hr trend......3 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......2 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.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......11 degrees warmer.
Max humidity........86-92 percent.
24 hr trend......23 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southeast winds 10 to 15 mph and gusty.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 15 to 20 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....74-79.
24 hr trend......7 degrees warmer.
Min humidity........31-37 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph with gusts to around 25 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 35 percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest around 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers
and thunderstorms. Lows around 50. Highs in the lower 70s.
Northwest winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the mid 50s.
Highs 78 to 83. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Lows around 50. Highs in the lower 80s.
.SUNDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$