Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
063
FNUS55 KRIW 130946
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
346 AM MDT Sun Jul 13 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
High pressure will bring another warm and mainly dry day today.
Although a stray evening shower or thunderstorm can`t be ruled
out in portions of Zone 140, the chance is less than 1 out of 10.
Relative humidity should remain above critical levels. Wind should
remain light to moderate. Mixing and smoke dispersal will be
generally good to very good in the afternoon. An increased chance
of thunderstorms returns to the northern zones on Monday.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
High pressure will bring another warm and mainly dry day today.
Although a stray evening shower or thunderstorm can`t be ruled
out, mainly in Zone 286, the chance is only than 1 out of 10.
Relative humidity fall to under 15 percent in the lower elevations
this afternoon. However, wind should remain light to moderate.
Mixing and smoke dispersal will be generally good to very good in
the afternoon. Elevated to possibly critical fire weather is
possible in the southern zones Monday afternoon.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
High pressure will bring another warm and mainly dry day today.
Although a stray evening shower or thunderstorm can`t be ruled
out near the mountains in the Zones east of the Divide, the chance
is only 1 out of 10. Relative humidity fall to under 15 percent in
the lower elevations this afternoon. However, wind should remain
light to moderate. Mixing and smoke dispersal will be generally
good to very good in the afternoon. Elevated to possibly critical
fire weather is Monday afternoon, especially in southern zones.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-141200-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....89-94.
24 hr trend......6 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
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.....59-64.
24 hr trend......4 degrees warmer.
Max humidity........48-54 percent.
24 hr trend......2 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
east around 10 mph until 0300, then southwest.
Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 2400, then south.
Mixing Height.......5200-7200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....91-96.
24 hr trend......2 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph until 1500, then
northwest. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Chance of showers and slight chance
of thunderstorms in the evening, then slight chance of showers
after midnight. Lows in the mid 50s. North winds around 10 mph.
.TUESDAY...Not as warm. Partly cloudy. Showers likely and chance
of thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Northeast winds around 15 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the mid 70s. Northeast winds
around 15 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
Northwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 80s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
$$
WYZ283-141200-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....88-93.
24 hr trend......6 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then east
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then east.
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 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to 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...10 percent.
Min temperature.....57-62.
24 hr trend......3 degrees warmer.
Max humidity........41-47 percent.
24 hr trend......Unchanged.
Humidity recovery...Moderate.
20-foot winds.......Northeast winds around 10 mph until 2400, then
west. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....88-93.
24 hr trend......1 degree warmer.
Min humidity........15-21 percent.
24 hr trend......2 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.......2800-4800 ft agl until 1200, then 10000-12000
ft agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Northwest
winds around 10 mph.
.TUESDAY...Not as warm. Partly cloudy. Chance of showers and
slight chance of thunderstorms. Lows in the lower 50s. Highs in
the upper 70s. Northeast winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Northeast winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. West
winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 80s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs around 90.
$$
WYZ285-141200-
South Bighorn Mountains-
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....82-87.
24 hr trend......8 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......2 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.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
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.....58-63.
24 hr trend......3 degrees warmer.
Max humidity........35-41 percent.
24 hr trend......6 percent drier.
Humidity recovery...Poor.
20-foot winds.......Northeast winds around 10 mph until 0300, then
southwest. Gusts up to 20 mph.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then east.
Mixing Height.......3800-5800 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....83-88.
24 hr trend......Unchanged.
Min humidity........16-22 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. 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.......2400-4400 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the mid 50s. North winds around
10 mph.
.TUESDAY...Cooler. Partly cloudy. Showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
North winds around 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the upper 60s. Northeast winds
around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. West
winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.
$$
WYZ281-141200-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....87-92.
24 hr trend......6 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph until 1500, then
northeast. Gusts up to 15 mph.
Ridge top winds.....South 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 9200-11200 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.....61-66.
24 hr trend......4 degrees warmer.
Max humidity........43-49 percent.
24 hr trend......5 percent drier.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2400, then
southwest until 0300, then downslope/downvalley
4-7 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then south.
Mixing Height.......4600-6600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
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.....86-91.
24 hr trend......Unchanged.
Min humidity........20-26 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph until 1200, then north. 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 10 to 15 mph.
Mixing Height.......2600-4600 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......
.MONDAY NIGHT...Partly cloudy. Chance of showers and
thunderstorms in the evening, then slight chance of showers after
midnight. Lows in the upper 50s. North winds around 10 mph.
.TUESDAY...Not as warm. Mostly cloudy. Showers likely and chance
of thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
North winds around 15 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the lower 70s. Northeast winds
around 10 mph.
.THURSDAY...Warmer. Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
Southeast winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s.
$$
WYZ282-141200-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....85-90.
24 hr trend......8 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 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.....Southwest around 10 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....58-63.
24 hr trend......2 degrees warmer.
Max humidity........42-48 percent.
24 hr trend......3 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northeast 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.....East around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then
southwest.
Mixing Height.......4200-6200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....86-91.
24 hr trend......Unchanged.
Min humidity........15-21 percent.
24 hr trend......Unchanged.
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 northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening, then slight chance of showers after
midnight. Lows in the upper 50s. Northwest winds around 10 mph.
.TUESDAY...Not as warm. Partly cloudy. Showers likely and chance
of thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
Northwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. North
winds around 10 mph.
.THURSDAY...Warmer. Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 87 to 92.
$$
WYZ275-141200-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....82-87.
24 hr trend......6 degrees warmer.
Min humidity........15-21 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.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....59-64.
24 hr trend......3 degrees warmer.
Max humidity........42-48 percent.
24 hr trend......1 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
west 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.....North around 10 mph until 2400, then west.
Mixing Height.......3400-5400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....84-89.
24 hr trend......1 degree warmer.
Min humidity........17-23 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then chance of showers
after midnight. Lows in the upper 50s. North winds around 15 mph.
.TUESDAY...Not as warm. Mostly cloudy. Showers likely and chance
of thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
Northwest winds around 15 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
North winds around 10 mph.
.THURSDAY...Warmer. Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s. East
winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
.SATURDAY...Mostly sunny. Highs around 90.
$$
WYZ276-141200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...10 percent.
Max temperature.....84-89.
24 hr trend......5 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West 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 good to very
good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....59-64.
24 hr trend......2 degrees warmer.
Max humidity........40-46 percent.
24 hr trend......4 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northeast 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.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then west.
Mixing Height.......3200-5200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....83-88.
24 hr trend......Unchanged.
Min humidity........24-30 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph until 1500, then northwest. Gusts
up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the mid 50s. Northwest winds
around 10 mph.
.TUESDAY...Cooler. Mostly cloudy. Showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s. North
winds around 15 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
North winds around 10 mph.
.THURSDAY...Warmer. Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s. South
winds around 10 mph.
.FRIDAY...Mostly clear. Chance of showers and thunderstorms. Lows
in the mid 50s. Highs in the lower 80s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ287-141200-
Owl Creek Mountains-
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....82-87.
24 hr trend......7 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...10 percent.
Min temperature.....59-64.
24 hr trend......3 degrees warmer.
Max humidity........35-41 percent.
24 hr trend......7 percent drier.
Humidity recovery...Poor.
20-foot winds.......Northeast winds around 10 mph until 2100, then
west. Gusts up to 15 mph.
Ridge top winds.....Northeast around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then west.
Mixing Height.......3600-5600 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........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.....81-86.
24 hr trend......1 degree cooler.
Min humidity........17-23 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph until 1500, then
northwest. Gusts up to 20 mph.
Ridge top winds.....West around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8000-10000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening, then slight chance of showers after
midnight. Lows in the mid 50s. Northwest winds around 15 mph.
.TUESDAY...Cooler. Partly cloudy. Showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
North winds around 15 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows around 50. Highs in the upper 60s. Northeast
winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. West
winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 50s. Highs around 80.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.
$$
WYZ286-141200-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Sunny then becoming partly cloudy.
Chance of thunder...10 percent.
Max temperature.....77-82.
24 hr trend......5 degrees warmer.
Min humidity........22-28 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 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....53-58.
24 hr trend......4 degrees warmer.
Max humidity........49-55 percent.
24 hr trend......11 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of showers and slight chance of
thunderstorms in the afternoon. Chance of
precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....76-81.
24 hr trend......2 degrees cooler.
Min humidity........24-30 percent.
24 hr trend......1 percent wetter.
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.......3400-5400 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the upper 40s. West winds around
10 mph.
.TUESDAY...Cooler. Partly cloudy. Showers and chance of
thunderstorms. Lows in the mid 40s. Highs in the mid 60s. East
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s.
Southeast winds around 10 mph.
.THURSDAY...Mostly clear. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
West winds around 10 mph.
.FRIDAY...Mostly clear. Chance of showers and thunderstorms. Lows
in the upper 40s. Highs in the lower 70s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ140-141200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......4 degrees warmer.
Min humidity........20-26 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.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......4 degrees warmer.
Max humidity........58-64 percent.
24 hr trend......7 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 south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 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.
.MONDAY...
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......1 degree cooler.
Min humidity........27-33 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the mid 40s. Winds generally less
than 10 mph.
.TUESDAY...Cooler. Partly cloudy. Showers likely and chance of
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear with chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. 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.
.SATURDAY...Sunny. Slight chance of showers and thunderstorms in
the afternoon. Highs in the upper 70s.
$$
WYZ415-141200-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......4 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......2 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 around 10 mph until 1200, then west.
Mixing Height.......2200-4200 ft agl until 1200, then 7400-9400 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........49-55 percent.
24 hr trend......11 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.....West around 10 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then southwest.
Mixing Height.......3800-5800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....75-80.
24 hr trend......2 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
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......
.MONDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the lower 70s. South winds around
10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 43 to 48. Highs 71 to 76.
Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
.SATURDAY...Mostly sunny. Highs in the upper 70s.
$$
WYZ416-141200-
West Wind River Mountains/East Zone Bridger Teton NF-
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......6 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......3 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.......2400-4400 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......4 degrees warmer.
Max humidity........43-49 percent.
24 hr trend......16 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph until 2100, then
northeast until 0300, then downslope/downvalley
4-7 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......4000-6000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....72-77.
24 hr trend......2 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......1 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.....West 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.......3200-5200 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. West winds
around 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 40s. Highs around 70. West winds
around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 42 to 47. Highs 68 to 73. West
winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
.SATURDAY...Mostly sunny. Highs in the mid 70s.
$$
WYZ288-141200-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......5 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......4 degrees warmer.
Max humidity........38-44 percent.
24 hr trend......13 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....76-81.
24 hr trend......1 degree cooler.
Min humidity........19-25 percent.
24 hr trend......2 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.......3600-5600 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 50s. West winds
around 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the lower 70s. Northeast winds
around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
North winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. West
winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ414-141200-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......5 degrees warmer.
Min humidity........18-24 percent.
24 hr trend......4 percent drier.
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.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......2400-4400 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......3 degrees warmer.
Max humidity........49-55 percent.
24 hr trend......10 percent drier.
Humidity recovery...Moderate.
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.....West 10 to 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......2 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 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.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 50. Southwest winds
around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
Southwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 46 to 51. Highs 74 to 79.
Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows around 50. Highs
76 to 81.
$$
WYZ278-141200-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......4 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then west.
Mixing Height.......2200-4200 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....49-54.
24 hr trend......2 degrees warmer.
Max humidity........47-53 percent.
24 hr trend......8 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......5200-7200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......2 degrees cooler.
Min humidity........15-21 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 15 mph with gusts to around 30 mph.
Ridge top winds.....West 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.......3200-5200 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Northwest
winds around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 80s.
West winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 45 to 50. Highs 79 to 84. West
winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 80s.
.SATURDAY...Mostly sunny. Highs in the mid 80s.
$$
WYZ277-141200-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......5 degrees warmer.
Min humidity........12-18 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then west.
Mixing Height.......1600-3600 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....49-54.
24 hr trend......Unchanged.
Max humidity........42-48 percent.
24 hr trend......4 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......4600-6600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......1 degree cooler.
Min humidity........12-18 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....West around 10 mph until 1200, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds
around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 80s. West
winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 47 to 52. Highs
in the lower 80s. West winds around 10 mph.
.FRIDAY...Partly cloudy. Lows around 50. Highs in the mid 80s.
.SATURDAY...Mostly sunny. Highs in the mid 80s.
$$
WYZ279-141200-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......5 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......2 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.....North around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 1200, then northwest.
Mixing Height.......2400-4400 ft agl until 1200, then 8800-10800 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.....54-59.
24 hr trend......1 degree warmer.
Max humidity........36-42 percent.
24 hr trend......7 percent drier.
Humidity recovery...Poor.
20-foot winds.......Northwest winds around 10 mph until 0300, then
southwest. Gusts up to 15 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then west.
Mixing Height.......5000-7000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......Unchanged.
Min humidity........16-22 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds west
around 20 mph with gusts to around 30 mph after
1500.
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.......3200-5200 ft agl until 1200, then 11200-13200
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 80s.
Northwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows 50 to 55. Highs 82 to 87.
Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
80s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
$$
WYZ289-141200-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......6 degrees warmer.
Min humidity........12-18 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then west.
Mixing Height.......2800-4800 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......3 degrees warmer.
Max humidity........42-48 percent.
24 hr trend......1 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
northeast around 10 mph until 0300, then
southwest. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 2400, then south.
Mixing Height.......5200-7200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....85-90.
24 hr trend......1 degree warmer.
Min humidity........11-17 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 11000-13000
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Slight chance of showers in the
evening. Lows in the mid 50s. Northwest winds around 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 50. Highs around 80. North winds
around 15 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows around 50. Highs in the upper 70s. Northeast
winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. West
winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
$$
WYZ300-141200-
Casper Mountain-
346 AM MDT Sun Jul 13 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......5 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then west.
Mixing Height.......3000-5000 ft agl until 1200, then 8800-10800 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.....58-63.
24 hr trend......4 degrees warmer.
Max humidity........44-50 percent.
24 hr trend......2 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southeast 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....East around 15 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 15 to 20 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....86-91.
24 hr trend......3 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......3 percent drier.
20-foot winds.......South winds around 10 mph until 1200, then
west. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Winds
generally less than 10 mph.
.TUESDAY...Not as warm. Partly cloudy. Showers likely and chance
of thunderstorms. Lows around 50. Highs in the mid 70s. North
winds around 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows around 50. Highs in the lower 70s. Northeast winds around
10 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. South
winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.
$$