Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
966
FNUS55 KRIW 251031
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
431 AM MDT Wed Jun 25 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
A weather system may bring a stray shower or thunderstorm
to the northern zones this afternoon, but the chance is at most
1 out of 6 at any location. Wind should remain light to moderate
except in and around any shower or thunderstorm. Relative humidity
will remain above critical levels. Mixing and smoke dispersal will
be generally good to excellent in the afternoon.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
A weather system may bring a stray shower or thunderstorm
this afternoon, but the chance is at mostly out of 10 at any
location except for the Absarokas where the chance is 1 out of 5.
Wind should remain light to moderate except in and around any shower
or thunderstorm. Relative humidity will remain above critical levels,
but may drop into the teens at times. Mixing and smoke dispersal will
be generally good to excellent in the afternoon. Elevated to critical
fire weather is possible Friday afternoon.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
A weather system may bring a stray shower or thunderstorm
this afternoon, with the best chance in zones 281, 280, 300 and 279
where the chance is around 1 out of 4. A few storms may become strong
with hail and strong wind gusts. Otherwise, wind should remain light
to moderate. Relative humidity should remain above critical levels, but
may fall into the teens at times. Mixing and smoke dispersal will
be generally good to excellent in the afternoon. Elevated to critical
fire weather is possible Friday afternoon.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-261245-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....76-81.
24 hr trend......1 degree warmer.
Min humidity........25-31 percent.
24 hr trend......15 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph. Gusts up to 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.......1400-3400 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
24 hr trend......3 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
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 south.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......6 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......9 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, 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.......3000-5000 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
90s. West winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 90. Northwest
winds around 10 mph.
.SUNDAY...Mostly clear. Chance of showers and thunderstorms. Lows
in the lower 50s. Highs in the mid 80s. Northeast winds around
10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs 83 to 88.
$$
WYZ283-261245-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......2 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........59-65 percent.
24 hr trend......15 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 2400, then southwest.
Mixing Height.......3800-5800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......5 degrees warmer.
Min humidity........15-21 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.....West 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows 53 to 58. Highs in
the upper 80s. West winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Northeast winds around 10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.
.TUESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s.
$$
WYZ285-261245-
South Bighorn Mountains-
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....70-75.
24 hr trend......3 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest around 10 mph. Gusts up to 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.......1400-3400 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......1 degree warmer.
Max humidity........69-75 percent.
24 hr trend......13 percent drier.
Humidity recovery...Good.
20-foot winds.......Northeast winds around 10 mph until 2400, then
east until 0300, then southwest. Gusts up to 15
mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then south.
Mixing Height.......2800-4800 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......6 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......10 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest
winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. West winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 80. Northwest
winds around 10 mph.
.SUNDAY...Mostly clear. Chance of showers and thunderstorms. Lows
in the lower 50s. Highs in the mid 70s. North winds around
10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs 76 to 81.
$$
WYZ281-261245-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....71-76.
24 hr trend......3 degrees warmer.
Min humidity........37-43 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then northwest.
Mixing Height.......1600-3600 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.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.....51-56.
24 hr trend......1 degree cooler.
Max humidity........76-82 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 15 mph until 2400, then southwest.
Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......8 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 10400-12200
ft agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
80s. West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy with chance of showers
and thunderstorms. Lows in the mid 50s. Highs 81 to 86. North
winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 82 to 87.
$$
WYZ282-261245-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......3 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......Unchanged.
Max humidity........62-68 percent.
24 hr trend......11 percent drier.
Humidity recovery...Good.
20-foot winds.......Northeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then south.
Mixing Height.......3800-5800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......6 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10000-12000
ft agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs around 90.
West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs 83 to 88.
Northwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s.
.TUESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s.
$$
WYZ275-261245-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....70-75.
24 hr trend......3 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west.
Mixing Height.......1800-3800 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......1 degree warmer.
Max humidity........57-63 percent.
24 hr trend......18 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then south.
Mixing Height.......3800-5800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......5 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
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 around 10 mph until 1200, then southwest.
Mixing Height.......2600-4600 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. 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.
Northwest winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
Northwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 85 to 90.
$$
WYZ276-261245-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms late
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....71-76.
24 hr trend......5 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......1 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.....West around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......2 degrees warmer.
Max humidity........50-56 percent.
24 hr trend......16 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, 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.......3200-5200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......6 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......7 percent drier.
20-foot winds.......Southwest winds around 10 mph. Gusts up to 15
mph until 1200, then 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. 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 with chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80. Northwest
winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. North
winds around 10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ287-261245-
Owl Creek Mountains-
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....69-74.
24 hr trend......3 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......1 degree warmer.
Max humidity........56-62 percent.
24 hr trend......10 percent drier.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 0300, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3000-5000 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 thunder...0 percent.
Max temperature.....73-78.
24 hr trend......6 degrees warmer.
Min humidity........18-24 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. West winds
around 10 mph.
.FRIDAY...Mostly clear. 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 around 80. Northwest
winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. North
winds around 10 mph.
.MONDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
.TUESDAY...Mostly sunny. Chance of showers and thunderstorms in
the afternoon. Highs around 80.
$$
WYZ286-261245-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....65-70.
24 hr trend......4 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......6 percent drier.
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.....West around 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......2 degrees warmer.
Max humidity........53-59 percent.
24 hr trend......30 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
west around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
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.....69-74.
24 hr trend......4 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......3 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......3400-5400 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southwest
winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
West winds around 15 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs around 70. West winds
around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs around 70. West winds
around 10 mph.
.MONDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.
$$
WYZ140-261245-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms
early in the afternoon. Chance of precipitation
20 percent.
Chance of thunder...20 percent.
Max temperature.....66-71.
24 hr trend......4 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 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.......3000-5000 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......2 degrees warmer.
Max humidity........63-69 percent.
24 hr trend......21 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest 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 south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......4000-6000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
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.....70-75.
24 hr trend......3 degrees 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 30
mph.
Ridge top winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 30 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs around 70. Southwest
winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs around 70. Southwest
winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.MONDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ415-261245-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....64-69.
24 hr trend......3 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......2 degrees warmer.
Max humidity........58-64 percent.
24 hr trend......24 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 southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then south.
Mixing Height.......4000-6000 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 thunder...0 percent.
Max temperature.....68-73.
24 hr trend......3 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......1 percent drier.
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.
Transport winds.....South around 10 mph until 1200, then southwest
around 25 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the lower 70s.
Southwest winds around 10 mph.
.SUNDAY...Clear. Lows in the mid 40s. Highs in the lower 70s.
Winds generally less than 10 mph.
.MONDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ416-261245-
West Wind River Mountains/East Zone Bridger Teton NF-
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....61-66.
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 west
around 10 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.......3000-5000 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....36-41.
24 hr trend......Unchanged.
Max humidity........55-61 percent.
24 hr trend......15 percent drier.
Humidity recovery...Moderate.
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 10 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......3 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......1 percent drier.
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 around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8200-9800 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 THROUGH SUNDAY...Mostly clear. Lows in the mid 40s. Highs
in the lower 70s. Northwest winds around 10 mph.
.MONDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ288-261245-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....65-70.
24 hr trend......2 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 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.......2800-4800 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......1 degree warmer.
Max humidity........50-56 percent.
24 hr trend......23 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
west around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......4 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......3 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds around 10 mph.
.FRIDAY...Mostly clear. Lows around 50. Highs in the mid 70s.
West winds around 15 mph.
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. West
winds around 15 mph.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the lower
70s. West winds around 10 mph.
.MONDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.
$$
WYZ414-261245-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......1 degree warmer.
Min humidity........24-30 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.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......1 degree warmer.
Max humidity........60-66 percent.
24 hr trend......12 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 around 15 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then south.
Mixing Height.......4000-6000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......5 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......3 percent drier.
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.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 9400-11400 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 THROUGH SATURDAY...Mostly clear. Lows in the upper 40s.
Highs in the lower 70s. West winds around 10 mph.
.SUNDAY...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 upper
70s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
$$
WYZ278-261245-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......1 degree cooler.
Min humidity........18-24 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10000-12000
ft agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....39-44.
24 hr trend......2 degrees cooler.
Max humidity........56-62 percent.
24 hr trend......12 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph and gusty 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.......4200-6200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......5 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Poor to fair 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 THROUGH SUNDAY...Mostly clear. Lows in the upper 40s.
Highs in the lower 80s. Northwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the upper 40s.
Highs 81 to 86.
$$
WYZ277-261245-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......1 degree warmer.
Min humidity........17-23 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.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then west.
Mixing Height.......3200-5200 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....40-45.
24 hr trend......1 degree cooler.
Max humidity........55-61 percent.
24 hr trend......9 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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......6 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
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.......3000-5000 ft agl until 1200, then 10600-12600
ft agl.
Smoke dispersal.....Poor to fair 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...Clear. Lows in the upper 40s. Highs in the lower 80s.
West winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 40s.
Highs in the lower 80s. Northwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the upper 40s.
Highs 82 to 87.
$$
WYZ279-261245-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy. Areas
of smoke in the afternoon. Slight chance of
showers and thunderstorms early in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....71-76.
24 hr trend......4 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 1200, then west.
Mixing Height.......2200-4200 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......2 degrees cooler.
Max humidity........57-63 percent.
24 hr trend......19 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 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.......2800-4800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......6 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......6 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.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows around 50. Winds generally
less than 10 mph.
.FRIDAY THROUGH SUNDAY...Mostly clear. Lows in the lower 50s.
Highs in the mid 80s. Northwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs 84 to 89.
$$
WYZ289-261245-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....73-78.
24 hr trend......2 degrees cooler.
Min humidity........16-22 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 1200, then west.
Mixing Height.......2200-4200 ft agl until 1200, then 9600-11600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......1 degree cooler.
Max humidity........63-69 percent.
24 hr trend......21 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....West around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......5 degrees warmer.
Min humidity........10-16 percent.
24 hr trend......6 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 10 mph until 1200, then west
around 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10000-12000
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows 51 to 56. Highs in
the mid 80s. West winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
North winds around 10 mph.
.MONDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s.
.TUESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ300-261245-
Casper Mountain-
431 AM MDT Wed Jun 25 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 30 percent.
Chance of thunder...20 percent.
Max temperature.....71-76.
24 hr trend......1 degree cooler.
Min humidity........26-32 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 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 7000-9000 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....46-51.
24 hr trend......1 degree cooler.
Max humidity........75-81 percent.
24 hr trend......20 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southeast around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......5 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph. Gusts up to 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 west
around 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Northwest winds around 10 mph.
.SUNDAY...Mostly clear. Chance of showers and thunderstorms. Lows
in the lower 50s. Highs in the upper 70s. North winds around
10 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.TUESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$