Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
868
FNUS55 KRIW 221951
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
151 PM MDT Tue Jul 22 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Slightly unstable southwest flow continues today over western and
northwest Wyoming. Isolated showers and thunderstorms are possible
along the northern fringe of YNP as well as across northern 414
into the Union Pass area through sunset. Otherwise, dry WSW flow
continues into the evening. Southern zone 140 and northern zone
415 may see some light showers between 0000 and 0600. Dry westerly
flow will continue on Wednesday with gusty afternoon winds,
though afternoon temps may be about 2 degrees cooler. Showers and
thunderstorms will return to the southern parts of the dispatch
area Thursday afternoon.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
***RED FLAG WARNING IN EFFECT FOR ZONES 283...288...AND 289 UNTIL
8 PM MDT THIS EVENING***
Marginally critical fire weather conditions continue this
afternoon and early evening for the southern portions of the
dispatch area, with conditions relaxing by sunset as winds
decrease and higher humidity air pushes from north to south.
Showers and thunderstorms are over the Absarokas and Bighorn Basin
early this afternoon, and area expected to continue (moving WSW to
ENE) through about 1900. Some storms in the northeast parts of the
dispatch area could become strong and produce brief heavy rain,
one inch hail, and gusty wind of 40-50 mph. Cooler moister air
will move south over the area Wednesday morning, and showers and
thunderstorms will return Wednesday afternoon, with the best
chances in the over the Bighorn Basin.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
***RED FLAG WARNING IN EFFECT FOR ZONES 277...278...279...280...AND
289 UNTIL 8 PM MDT THIS EVENING***
A tale of two different air masses is over the dispatch area
today. Moist cool air with north wind extend over zone 281 into
parts of zone 280 with dry gusty very warm air extending from
southwest into central WY. Conditions for the red flag warning
will improve around 2000 this evening as winds decrease, and the
moister air mass moves southwest into zones 289 and 279. Showers
and thunderstorms are expected late this afternoon and evening
over zone 281, 285, and 281, with some storms over northern zone
281 being strong with hail and 40-50 mph wind gusts. Light showers
may linger over the same area after midnight as north winds
increase. Winds will be somewhat lighter Wednesday with higher
humidities for only elevated fire weather conditions over
southwest WY. Isolated showers and thunderstorms will return
Wednesday afternoon to most of the area, with stronger storms
expected over zones 280 and 281.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-232200-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
151 PM MDT Tue Jul 22 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....87-92.
24 hr trend......1 degree cooler.
Min humidity........16-22 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......11000-13000 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms through the night. Some
thunderstorms may produce gusty winds and small
hail. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....55-60.
24 hr trend......9 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......37 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph until 2100, then
north. Gusts up to 25 mph.
Ridge top winds.....North 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 15 to 20 mph.
Mixing Height.......5200-7200 ft agl until 2400, then 1000-1400 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated showers early in the
morning. Isolated showers and thunderstorms
late in the morning, then scattered showers and
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds and small
hail in the late morning and afternoon. Chance
of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....80-85.
24 hr trend......7 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 10 mph until 1200, then west.
Mixing Height.......1200-3200 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms in the
evening, then slight chance of showers and
thunderstorms after midnight. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....55-60.
24 hr trend......1 degree cooler.
Max humidity........85-91 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.20 percent until 2400, then zero percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....82-87.
24 hr trend......2 degrees warmer.
Min humidity........28-34 percent.
24 hr trend......2 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.....South 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......1600-3600 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. South winds
around 10 mph.
.FRIDAY THROUGH SUNDAY...Mostly clear. Lows 55 to 60. Highs 88 to
93. Southwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
90s.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs around 90.
$$
WYZ283-232200-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
151 PM MDT Tue Jul 22 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....84-89.
24 hr trend......1 degree cooler.
Min humidity........14-20 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......11800-13200 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....51-56.
24 hr trend......8 degrees cooler.
Max humidity........67-73 percent.
24 hr trend......23 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
northeast.
Mixing Height.......5400-7400 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms late in the
morning. Some thunderstorms may produce gusty
winds and small hail late in the morning.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....81-86.
24 hr trend......5 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph with higher gusts.
Ridge top winds.....Southeast around 10 mph until 1200, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.WEDNESDAY NIGHT...
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.....52-57.
24 hr trend......Unchanged.
Max humidity........69-75 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then east.
Mixing Height.......4400-6400 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming 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.....82-87.
24 hr trend......Unchanged.
Min humidity........22-28 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, 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.......1800-3800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. West winds
around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 80s. West
winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 50s.
Highs 89 to 94. Southwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
90s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 90.
$$
WYZ285-232200-
South Bighorn Mountains-
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....80-85.
24 hr trend......3 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......8 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......8600-10600 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms until
early morning. Isolated showers through the
night. Some thunderstorms may produce gusty
winds and small hail until early morning.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....52-57.
24 hr trend......5 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......15 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated thunderstorms in the morning.
Scattered showers through the day. Scattered
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds and small
hail late in the morning. Some thunderstorms
may produce gusty winds and small hail in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....74-79.
24 hr trend......7 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph until 1500, then
northwest. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......1200-3200 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the evening, then slight
chance of showers and thunderstorms after
midnight. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....53-58.
24 hr trend......Unchanged.
Max humidity........78-84 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....North around 15 mph until 2400, then east.
Mixing Height.......1800-3800 ft agl until 2400, then 200-800 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 40 percent.
Chance of thunder...30 percent.
Max temperature.....77-82.
24 hr trend......3 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......9 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.Less than 5 percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. South winds
around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. Southwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.
$$
WYZ281-232200-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening, then
scattered showers and thunderstorms early in
the evening. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....81-86.
24 hr trend......6 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......16 percent wetter.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....North around 15 mph.
Mixing Height.......6200-8200 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered thunderstorms in the
evening. Scattered showers through the night.
Isolated thunderstorms after midnight. Some
thunderstorms may produce gusty winds and small
hail in the evening. Some thunderstorms may
produce gusty winds and small hail after
midnight. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Min temperature.....55-60.
24 hr trend......3 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.7 percent.
Transport winds.....North around 15 mph.
Mixing Height.......2600-4600 ft agl until 2400, then 1000-1400 ft
agl.
Smoke dispersal.....Poor to fair.
.WEDNESDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated thunderstorms in the morning.
Scattered showers through the day. Scattered
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds and small
hail late in the morning. Some thunderstorms
may produce gusty winds and small hail early in
the afternoon, then some thunderstorms may be
severe with gusty winds and small hail. Chance
of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....73-78.
24 hr trend......8 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, 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 25 percent.
Transport winds.....Northeast around 10 mph until 1200, then
northwest.
Mixing Height.......1200-3200 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Poor to fair.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms in the
evening, then slight chance of showers and
thunderstorms after midnight. Some
thunderstorms may be severe early in the
evening. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Min temperature.....55-60.
24 hr trend......Unchanged.
Max humidity........85-91 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.30 percent until 2400, then 5 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-1000 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 40 percent.
Chance of thunder...30 percent.
Max temperature.....79-84.
24 hr trend......6 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. South winds
around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
Winds generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 57 to 62. Highs in
the lower 90s. Northwest winds around 10 mph.
.MONDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the lower 90s.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs around 90.
$$
WYZ282-232200-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....81-86.
24 hr trend......4 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......8600-10600 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms until early morning. Some
thunderstorms may produce gusty winds and small
hail until early morning. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....51-56.
24 hr trend......2 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 600-1200 ft
agl.
Smoke dispersal.....Poor to fair.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated showers late in the
morning. Scattered showers and thunderstorms in
the afternoon, then isolated showers and
thunderstorms late in the afternoon. Some
thunderstorms may produce gusty winds and small
hail in the afternoon. Chance of precipitation
50 percent.
Chance of thunder...30 percent.
Max temperature.....76-81.
24 hr trend......6 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West around 10 mph until 1200, then north.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers in the
evening. Slight chance of thunderstorms until
early morning. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....51-56.
24 hr trend......1 degree warmer.
Max humidity........76-82 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 15 mph until 2400, then south.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......2200-4200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming 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.....80-85.
24 hr trend......5 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......10 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.....South around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs around 90. Winds
generally less than 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 90s. Winds generally less than 10 mph.
.MONDAY...Mostly clear. Lows around 60. Highs in the lower 90s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 90s.
$$
WYZ275-232200-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms early in the evening, then
isolated showers and thunderstorms early in the
evening. Some thunderstorms may produce gusty
winds and small hail. Chance of precipitation
50 percent.
Chance of thunder...30 percent.
Max temperature.....77-82.
24 hr trend......2 degrees cooler.
Min humidity........28-34 percent.
24 hr trend......9 percent wetter.
20-foot winds.......North winds around 10 mph with gusts to around
25 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 15 mph.
Mixing Height.......5600-7600 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Some
thunderstorms may produce gusty winds and small
hail 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........79-85 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the morning. Scattered
showers and thunderstorms in the afternoon,
then isolated showers and thunderstorms late in
the afternoon. Some thunderstorms may produce
gusty winds and small hail in the late morning
and afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....73-78.
24 hr trend......5 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200. Winds
northwest around 10 mph after 1500. Gusts up to
20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Poor to fair.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....51-56.
24 hr trend......1 degree warmer.
Max humidity........74-80 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......2400-4400 ft agl until 2400, then 400-800 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.....78-83.
24 hr trend......6 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......11 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.....South around 10 mph until 1200, then southwest.
Mixing Height.......1600-3600 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs around 90. Winds
generally less than 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 90s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
90s. Southeast winds around 10 mph.
.MONDAY...Mostly clear. Lows around 60. Highs in the lower 90s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 90s.
$$
WYZ276-232200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms early in the evening, then
isolated showers and thunderstorms early in the
evening. Some thunderstorms may produce gusty
winds and small hail. Chance of precipitation
50 percent.
Chance of thunder...40 percent.
Max temperature.....77-82.
24 hr trend......3 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 20 mph.
Mixing Height.......6000-8000 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Some
thunderstorms may produce gusty winds and small
hail 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........70-76 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms in the
morning. Scattered showers through the day.
Scattered thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds and small
hail late in the morning. Some thunderstorms
may produce gusty winds and small hail in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....72-77.
24 hr trend......4 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear. Slight chance of thunderstorms
early in the evening. Slight chance of showers
in the evening. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Min temperature.....52-57.
24 hr trend......1 degree warmer.
Max humidity........66-72 percent.
24 hr trend......10 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph and gusty until 2400,
then downslope/downvalley 4-7 mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then west.
Mixing Height.......2400-4400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then 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...30 percent.
Max temperature.....79-84.
24 hr trend......7 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph until 1500, then northwest. Gusts
up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY THROUGH FRIDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs in the
mid 80s. West winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
80s. West winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ287-232200-
Owl Creek Mountains-
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms early in the evening, then
isolated showers and thunderstorms early in the
evening. Some thunderstorms may produce gusty
winds and small hail. Chance of precipitation
40 percent.
Chance of thunder...30 percent.
Max temperature.....80-85.
24 hr trend......4 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......10 percent wetter.
20-foot winds.......West winds around 15 mph with higher gusts.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......9200-11000 ft agl.
Smoke dispersal.....Very good to excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....52-57.
24 hr trend......3 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms in the
morning. Scattered showers through the day.
Scattered thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds and small
hail late in the morning. Some thunderstorms
may produce gusty winds and small hail in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....75-80.
24 hr trend......5 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph until 1500, then north.
Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then north.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear. Slight chance of showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....53-58.
24 hr trend......1 degree warmer.
Max humidity........71-77 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph with gusts to around
25 mph until 2400, then northwest with gusts to
around 15 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then west.
Mixing Height.......2600-4600 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then 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...40 percent.
Max temperature.....76-81.
24 hr trend......3 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, 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.....Southwest around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. West winds
around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
West winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. 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. Southwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ286-232200-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....70-75.
24 hr trend......4 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......8 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.5 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......8000-9800 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Some thunderstorms
may be severe with gusty winds and small hail
late in the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....45-50.
24 hr trend......6 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 0300, then downslope/downvalley 4-7
mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then around 10
mph.
Mixing Height.......3400-5400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms in the
morning. Scattered showers through the day.
Scattered thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds and small
hail late in the morning. Some thunderstorms
may produce gusty winds and small hail in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....66-71.
24 hr trend......2 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 20 mph until 1200, then around 30
mph.
Mixing Height.......3200-5200 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Good to very good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear. Slight chance of thunderstorms
early in the evening. Slight chance of showers
in the evening. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Min temperature.....47-52.
24 hr trend......Unchanged.
Max humidity........66-72 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Good.
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.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then 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...30 percent.
Max temperature.....73-78.
24 hr trend......3 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......3200-5200 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY THROUGH FRIDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows around 50. Highs in the lower
70s. West winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 50. Highs in the mid 70s. Southwest
winds around 10 mph.
.MONDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ140-232200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....70-75.
24 hr trend......4 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......8 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.5 percent.
Transport winds.....Southwest around 30 mph.
Mixing Height.......8400-9600 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Some
thunderstorms may produce gusty winds and small
hail in the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....42-47.
24 hr trend......8 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......7 percent wetter.
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.Zero percent.
Transport winds.....Southwest around 20 mph until 2400, then around
10 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the late morning and
afternoon. Some thunderstorms may produce gusty
winds and small hail in the late morning and
afternoon. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
24 hr trend......1 degree cooler.
Min humidity........27-33 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......Unchanged.
Max humidity........67-73 percent.
24 hr trend......5 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then southeast.
Mixing Height.......3800-5800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.THURSDAY...
Sky/weather.........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.....73-78.
24 hr trend......4 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......6 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 around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
Southwest winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the mid 40s.
Highs around 80.
$$
WYZ415-232200-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....73-78.
24 hr trend......4 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......10 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......8200-10000 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....43-48.
24 hr trend......6 degrees cooler.
Max humidity........69-75 percent.
24 hr trend......2 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the late morning and
afternoon. Some thunderstorms may produce gusty
winds and small hail in the late morning and
afternoon. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....71-76.
24 hr trend......1 degree cooler.
Min humidity........26-32 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......1 degree warmer.
Max humidity........57-63 percent.
24 hr trend......10 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then 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.....72-77.
24 hr trend......2 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8000-10000 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 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
Southwest winds around 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the upper
70s. Winds generally less than 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the upper 40s.
Highs around 80.
$$
WYZ416-232200-
West Wind River Mountains/East Zone Bridger Teton NF-
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and isolated
thunderstorms through the day. Some
thunderstorms may produce gusty winds and small
hail. Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
24 hr trend......3 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......8 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.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......8200-10000 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....43-48.
24 hr trend......3 degrees cooler.
Max humidity........61-67 percent.
24 hr trend......6 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms in the late
morning and afternoon. Some thunderstorms may
produce gusty winds and small hail in the late
morning and afternoon. Chance of precipitation
20 percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
24 hr trend......1 degree cooler.
Min humidity........24-30 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......3200-5200 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY 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.....43-48.
24 hr trend......Unchanged.
Max humidity........56-62 percent.
24 hr trend......4 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph and gusty until
2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming 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.....68-73.
24 hr trend......1 degree warmer.
Min humidity........24-30 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......3200-5200 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. West
winds around 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.MONDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.
$$
WYZ288-232200-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
151 PM MDT Tue Jul 22 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....74-79.
24 hr trend......2 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......5 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.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......9200-11000 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....47-52.
24 hr trend......5 degrees cooler.
Max humidity........55-61 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 0300, 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.......4400-6400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the morning. Scattered
showers and thunderstorms early in the
afternoon, then isolated showers and
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds and small
hail in the late morning and afternoon. Chance
of precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....72-77.
24 hr trend......2 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......3200-5200 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear. Slight chance of thunderstorms
early in the evening. Slight chance of showers
in the evening. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Min temperature.....47-52.
24 hr trend......Unchanged.
Max humidity........59-65 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph until 0300, 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.......4000-6000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming 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.....71-76.
24 hr trend......Unchanged.
Min humidity........23-29 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows around 50. West winds around
10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs in the
mid 70s. Southwest winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s. Southwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ414-232200-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers early in the
evening. Isolated thunderstorms through the
day. Isolated showers early in the evening.
Some thunderstorms may produce gusty winds and
small hail. Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....72-77.
24 hr trend......4 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......9 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......9200-11000 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Mostly clear. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....43-48.
24 hr trend......4 degrees cooler.
Max humidity........66-72 percent.
24 hr trend......9 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then north.
Mixing Height.......3800-5800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny. Isolated showers and
thunderstorms early in the afternoon. Some
thunderstorms may produce gusty winds and small
hail early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....71-76.
24 hr trend......1 degree cooler.
Min humidity........25-31 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......1 degree warmer.
Max humidity........61-67 percent.
24 hr trend......8 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming 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.....72-77.
24 hr trend......1 degree warmer.
Min humidity........25-31 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.THURSDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 40s.
Highs 75 to 80. Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 80s.
$$
WYZ277>279-232200-
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Evanston, Fort Bridger, Kemmerer,
Big Piney, Farson, Pinedale, Green River, Rock Springs,
and Wamsutter
151 PM MDT Tue Jul 22 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......1 degree warmer.
Min humidity........18-24 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......11400-12400 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......6 degrees cooler.
Max humidity........57-63 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......5200-7200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the afternoon. Some
thunderstorms may produce gusty winds and small
hail late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....75-80.
24 hr trend......1 degree cooler.
Min humidity........21-27 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......3200-5200 ft agl until 1200, then 10400-12400
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......Unchanged.
Max humidity........58-64 percent.
24 hr trend......7 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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then north.
Mixing Height.......5200-7200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.THURSDAY...
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.....74-79.
24 hr trend......1 degree cooler.
Min humidity........28-34 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with higher gusts.
Ridge top winds.....Southeast around 10 mph until 1200, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest.
Mixing Height.......3000-5000 ft agl until 1200, then 8400-10400 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 THROUGH SUNDAY...Mostly clear. Lows around 50. Highs
81 to 86. Southwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
80s.
.TUESDAY...Partly cloudy. Highs in the mid 80s.
$$
WYZ289-232200-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
151 PM MDT Tue Jul 22 2025
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......1 degree warmer.
Min humidity........12-18 percent.
24 hr trend......1 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.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......12000-12800 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...10 percent.
Min temperature.....54-59.
24 hr trend......7 degrees cooler.
Max humidity........67-73 percent.
24 hr trend......31 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 2400, then north with gusts to around
15 mph until 0300, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then northeast.
Mixing Height.......5400-7400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated showers late in the
morning. Isolated thunderstorms in the
afternoon. Some thunderstorms may produce gusty
winds and small hail in the afternoon. Chance
of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....77-82.
24 hr trend......3 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.WEDNESDAY NIGHT...
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.....53-58.
24 hr trend......Unchanged.
Max humidity........76-82 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds 10 to 15 mph until 2400.
Downslope/downvalley 4-7 mph after 0300. 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.......4600-6600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....78-83.
24 hr trend......Unchanged.
Min humidity........22-28 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with higher gusts.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......2600-4600 ft agl until 1200, then 8400-10400 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 mid 50s. Southwest
winds around 10 mph.
.FRIDAY THROUGH SUNDAY...Mostly clear. Lows in the mid 50s. Highs
83 to 88. Southwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
80s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s.
$$
WYZ300-232200-
Casper Mountain-
151 PM MDT Tue Jul 22 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......1 degree cooler.
Min humidity........18-24 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......11200-12400 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms after midnight. Some
thunderstorms may produce gusty winds and small
hail after midnight. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Min temperature.....53-58.
24 hr trend......7 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......45 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
northwest until 2400, then downslope/downvalley
4-7 mph. Gusts up to 15 mph.
Ridge top winds.....West around 15 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
northeast.
Mixing Height.......4800-6800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms in the
morning. Scattered showers through the day.
Scattered thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds and small
hail late in the morning. Some thunderstorms
may produce gusty winds and small hail in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....74-79.
24 hr trend......5 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 10 mph until 1200, then west.
Mixing Height.......1200-3200 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of thunderstorms early in
the evening. Chance of showers in the evening.
Slight chance of thunderstorms in the late
evening and early morning. Chance of
precipitation 40 percent.
Chance of thunder...30 percent.
Min temperature.....53-58.
24 hr trend......Unchanged.
Max humidity........85-91 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Showers likely and chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....76-81.
24 hr trend......1 degree warmer.
Min humidity........34-40 percent.
24 hr trend......2 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 until 1200, then southwest.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......2000-4000 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Lows in the mid 50s.
South winds around 10 mph.
.FRIDAY THROUGH SUNDAY...Mostly clear. Lows 55 to 60. Highs 81 to
86. Southwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s.
$$