Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
414
FNUS55 KRIW 141047
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
447 AM MDT Fri Aug 14 2026
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Fog/low clouds will be in place in the valleys this morning
through about 1000. Showers and thunderstorms will develop over
much of the area after 1200, moving toward the northeast through
the afternoon and ending by sunset. Heavy rain and localized flash
flooding will continue to be the main threat from the stronger
storms. Winds will be light (15 mph or less) across much of the
area (outside of any higher gusts from the storms this
afternoon). West to southwest winds, with gusts of 25 to 30 mph,
will occur over southern portions of zones 414 and 416.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Showers and thunderstorms will move over zones 286/288 by 1300 and
into the Bighorn Basin by 1400 and the Wind River Basin by
1500/1600. Convection will end/exit the area by sunset. Heavy
rain and localized flash flooding will continue to be the main
threat from the stronger storms. West to southwest winds, with
gusts of 25 to 30 mph, will occur over zones 288 and 289 by 1000
and continue through 1900. Winds will be light (15 mph or less)
elsewhere.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Conditions will mainly be dry across the dispatch area today.
Exceptions will be a few showers and thunderstorms over zone 279
between 1400 and 1900 and showers and storms over zone 281 between
1800 and 2100. Heavy rain and localized flash flooding will
continue to be the main threat from the stronger storms. West to
southwest winds, with gusts of 25 to 30 mph, will develop in zones
280/289 by 1000, spreading into zones 277/278 by 1400. These winds
will decrease and subside by 1900.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-151300-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......2 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......36 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 20 to 25 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5800-7800 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......Unchanged.
Max humidity........85-91 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph until 2100, then north
until 0300, then downslope/downvalley 4-7 mph.
Gusts up to 25 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 600-1200 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers in the morning. Chance
of showers and thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....74-79.
24 hr trend......2 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 10 mph until 1200, then west.
Mixing Height.......1200-3200 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows around 50. Winds generally
less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
80s. West winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Northwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 80 to 85.
$$
WYZ283-151300-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
447 AM MDT Fri Aug 14 2026
.TODAY...
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.....73-78.
24 hr trend......Unchanged.
Min humidity........34-40 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5200-7200 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...0 percent.
Min temperature.....48-53.
24 hr trend......Unchanged.
Max humidity........81-87 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning. Chance of showers and thunderstorms in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...20 percent.
Max temperature.....71-76.
24 hr trend......1 degree cooler.
Min humidity........41-47 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 50s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs around 80.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 50s. Highs in the lower 80s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
West winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 79 to 84.
$$
WYZ285-151300-
South Bighorn Mountains-
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the morning. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....66-71.
24 hr trend......1 degree cooler.
Min humidity........46-52 percent.
24 hr trend......12 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening. Slight
chance of thunderstorms until early morning.
Slight chance of showers. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....49-54.
24 hr trend......Unchanged.
Max humidity........86-92 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms in the morning.
Chance of showers through the day. Chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....66-71.
24 hr trend......1 degree cooler.
Min humidity........52-58 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph until 1500, then north.
Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.5 percent until 1200, then 15 percent.
Transport winds.....West around 10 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows around 50. Winds generally less than
10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
Northwest winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
Northwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 72 to 77.
$$
WYZ281-151300-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....67-72.
24 hr trend......4 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......14 percent drier.
20-foot winds.......West winds around 10 mph until 0900, then
northwest. Gusts up to 15 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
until early morning. Slight chance of showers
through the night. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....52-57.
24 hr trend......1 degree cooler.
Max humidity........90-96 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 800-1400 ft
agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms in the morning.
Chance of showers through the day. Chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....66-71.
24 hr trend......1 degree cooler.
Min humidity........56-62 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northeast around 10 mph with higher gusts.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.5 percent until 1200, then 20 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Chance of showers and
thunderstorms in the evening, then slight chance of showers after
midnight. Lows in the lower 50s. Winds generally less than
10 mph.
.SUNDAY...Warmer. Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Winds
generally less than 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows 52 to 57. Highs 81 to 86.
Northwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 79 to 84.
$$
WYZ282-151300-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
24 hr trend......6 degrees cooler.
Min humidity........45-51 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 10 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the evening. Slight chance of
showers and thunderstorms after midnight.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
24 hr trend......Unchanged.
Max humidity........88-94 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then west.
Chc of wetting rain.5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 600-800 ft
agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms in the morning.
Slight chance of showers through the day.
Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
24 hr trend......1 degree warmer.
Min humidity........43-49 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 10 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Chance of showers and slight
chance of thunderstorms in the evening. Lows in the lower 50s.
Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
Winds generally less than 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 79 to 84.
$$
WYZ275-151300-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers early in the morning.
Slight chance of showers and thunderstorms in
the late morning and early afternoon, then
chance of showers and thunderstorms late in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....65-70.
24 hr trend......7 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 10 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3800-5600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of thunderstorms early in the evening.
Slight chance of showers early in the evening.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
24 hr trend......1 degree cooler.
Max humidity........89-95 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....66-71.
24 hr trend......2 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then chance of showers
after midnight. Lows in the lower 50s. Winds generally less than
10 mph.
.SUNDAY...Warmer. Mostly clear. Lows in the mid 50s. Highs around
80. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the upper 70s. Winds generally
less than 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 78 to 83.
$$
WYZ276-151300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....64-69.
24 hr trend......6 degrees cooler.
Min humidity........55-61 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northeast around 10 mph.
Chc of wetting rain.Zero percent until 1200, then 35 percent.
Transport winds.....West around 10 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3600-4800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of thunderstorms early in the evening.
Slight chance of showers early in the evening.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
24 hr trend......1 degree cooler.
Max humidity........86-92 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph until 2400, then west.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning. Showers likely and chance of
thunderstorms in the afternoon. Chance of
precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....67-72.
24 hr trend......3 degrees warmer.
Min humidity........53-59 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph.
Chc of wetting rain.Zero percent until 1200, then 30 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3600-5400 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Chance of showers and
thunderstorms in the evening. Lows in the lower 50s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ287-151300-
Owl Creek Mountains-
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning. Chance of showers and thunderstorms in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....66-71.
24 hr trend......3 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of thunderstorms until early morning.
Slight chance of showers. Chance of
precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
24 hr trend......1 degree warmer.
Max humidity........85-91 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.5 percent.
Transport winds.....North around 10 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers in the morning.
Showers likely and chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....65-70.
24 hr trend......Unchanged.
Min humidity........50-56 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Chance of showers and slight
chance of thunderstorms in the evening. Lows in the lower 50s.
Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ286-151300-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....59-64.
24 hr trend......2 degrees cooler.
Min humidity........57-63 percent.
24 hr trend......6 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.5 percent until 1200, then 25 percent.
Transport winds.....West around 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3600-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms early in
the evening, then slight chance of
thunderstorms early in the evening. Slight
chance of showers early in the evening. Chance
of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....42-47.
24 hr trend......1 degree cooler.
Max humidity........84-90 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the morning. Slight chance of showers and
thunderstorms early in the afternoon, then
chance of showers and thunderstorms early in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...50 percent.
Max temperature.....59-64.
24 hr trend......Unchanged.
Min humidity........53-59 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Partly cloudy. Chance of showers and
thunderstorms in the evening. Lows in the mid 40s. Winds
generally less than 10 mph.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the upper 60s. West
winds around 10 mph.
.MONDAY...Mostly cloudy. Showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
West winds around 10 mph.
.TUESDAY...Partly cloudy with showers likely and chance of
thunderstorms. Lows in the mid 40s. Highs in the mid 60s. West
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 60s.
$$
WYZ140-151300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers through the
day. Slight chance of thunderstorms late in the
morning, then chance of thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....62-67.
24 hr trend......4 degrees cooler.
Min humidity........58-64 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.10 percent until 1200, then 30 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3200-4600 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the evening. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....40-45.
24 hr trend......1 degree cooler.
Max humidity........89-95 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty until
2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph until 2400, then south.
Chc of wetting rain.20 percent until 2400, then zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....63-68.
24 hr trend......2 degrees warmer.
Min humidity........60-66 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200. Winds
southwest around 10 mph after 1500. Gusts up to
20 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Partly cloudy. Showers likely and chance of
thunderstorms in the evening. Lows around 40. Winds generally
less than 10 mph.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.MONDAY...Mostly cloudy. Showers and chance of thunderstorms.
Lows in the lower 40s. Highs in the upper 60s. Winds generally
less than 10 mph.
.TUESDAY...Mostly cloudy with showers likely and chance of
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows around 40. Highs in the mid 60s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 60s.
$$
WYZ415-151300-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....60-65.
24 hr trend......1 degree cooler.
Min humidity........64-70 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph until 1500, then
upslope/upvalley 5-9 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.10 percent until 1200, then 40 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3200-4200 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms early in
the evening, then slight chance of
thunderstorms in the evening. Slight chance of
showers in the evening. Chance of precipitation
50 percent.
Chance of thunder...30 percent.
Min temperature.....39-44.
24 hr trend......1 degree cooler.
Max humidity........91-97 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph until 2400, then south.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph until 2400, then south.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the morning. Showers
likely and chance of thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....63-68.
24 hr trend......1 degree warmer.
Min humidity........58-64 percent.
24 hr trend......10 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.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 40s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Showers likely and chance of
thunderstorms. Lows in the mid 40s. Highs around 70. Winds
generally less than 10 mph.
.TUESDAY...Mostly cloudy. Showers likely and chance of
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 70.
$$
WYZ416-151300-
West Wind River Mountains/East Zone Bridger Teton NF-
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....61-66.
24 hr trend......Unchanged.
Min humidity........53-59 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3400-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers early in the
evening. Slight chance of thunderstorms early
in the evening. Slight chance of showers early
in the evening. Chance of precipitation 40
percent.
Chance of thunder...20 percent.
Min temperature.....39-44.
24 hr trend......1 degree cooler.
Max humidity........85-91 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 10 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning. Chance of showers and thunderstorms in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...50 percent.
Max temperature.....59-64.
24 hr trend......Unchanged.
Min humidity........48-54 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 4800-6800 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Slight chance of showers in the
evening. Lows in the lower 40s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with showers likely and chance of
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. West
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 60s.
$$
WYZ288-151300-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms in the morning.
Chance of showers through the day. Chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....64-69.
24 hr trend......1 degree warmer.
Min humidity........46-52 percent.
24 hr trend......16 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.Less than 5 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms
early in the evening. Chance of precipitation
20 percent.
Chance of thunder...20 percent.
Min temperature.....42-47.
24 hr trend......Unchanged.
Max humidity........81-87 percent.
24 hr trend......16 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
30 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
showers and thunderstorms early in the
afternoon, then slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....63-68.
24 hr trend......Unchanged.
Min humidity........45-51 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 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 40s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the upper
60s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows around 50. Highs around 70. West winds
around 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
West winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ414-151300-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....62-67.
24 hr trend......1 degree warmer.
Min humidity........57-63 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.5 percent until 1200, then 20 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3400-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers early in the evening. Slight
chance of thunderstorms early in the evening.
Slight chance of showers early in the evening.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....39-44.
24 hr trend......Unchanged.
Max humidity........87-93 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....63-68.
24 hr trend......1 degree warmer.
Min humidity........51-57 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs around 70.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the upper 60s. Winds generally less
than 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 40s. Highs 68 to 73.
$$
WYZ278-151300-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the morning. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...10 percent.
Max temperature.....66-71.
24 hr trend......2 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......16 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 west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms
early in the evening. Chance of precipitation
20 percent.
Chance of thunder...10 percent.
Min temperature.....41-46.
24 hr trend......Unchanged.
Max humidity........85-91 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph 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.......2600-4600 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
showers and thunderstorms late in the
afternoon, then slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....66-71.
24 hr trend......1 degree cooler.
Min humidity........43-49 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, 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.......1800-3800 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Chance of showers. Lows in the mid 40s.
Highs in the upper 70s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
Northwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 40s. Highs 74 to 79.
$$
WYZ277-151300-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers early in the morning.
Slight chance of thunderstorms in the late
morning and afternoon. Chance of precipitation
20 percent.
Chance of thunder...10 percent.
Max temperature.....67-72.
24 hr trend......2 degrees warmer.
Min humidity........42-48 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds west
around 20 mph with gusts to around 25 mph after
1500.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms
early in the evening. Chance of precipitation
20 percent.
Chance of thunder...10 percent.
Min temperature.....42-47.
24 hr trend......Unchanged.
Max humidity........86-92 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of showers early in the morning. Slight
chance of showers early in the morning. Slight
chance of showers and thunderstorms late in the
morning. Chance of precipitation 30 percent.
Chance of thunder...20 percent.
Max temperature.....66-71.
24 hr trend......Unchanged.
Min humidity........40-46 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph with higher gusts.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy with slight chance of showers. Lows in
the upper 40s. Highs in the upper 70s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
West winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the upper 70s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.
$$
WYZ279-151300-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
447 AM MDT Fri Aug 14 2026
.TODAY...
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.....71-76.
24 hr trend......2 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Poor to fair 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.....47-52.
24 hr trend......1 degree warmer.
Max humidity........83-89 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.SATURDAY...
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.....69-74.
24 hr trend......1 degree cooler.
Min humidity........48-54 percent.
24 hr trend......1 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.......2000-4000 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.SUNDAY THROUGH MONDAY...Partly cloudy. Lows 49 to 54. Highs
77 to 82. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Southwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows around 50. Highs in the lower
80s.
$$
WYZ289-151300-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
447 AM MDT Fri Aug 14 2026
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......2 degrees warmer.
Min humidity........31-37 percent.
24 hr trend......25 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
around 20 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5800-7800 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.....49-54.
24 hr trend......1 degree warmer.
Max humidity........82-88 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Good until 2400, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers late in
the morning. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....71-76.
24 hr trend......Unchanged.
Min humidity........34-40 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 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
80s. West winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 80. West winds
around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows around 50. Highs 77 to 82.
$$
WYZ300-151300-
Casper Mountain-
447 AM MDT Fri Aug 14 2026
.TODAY...
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.....72-77.
24 hr trend......4 degrees warmer.
Min humidity........35-41 percent.
24 hr trend......35 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
west around 20 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5400-7400 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.....51-56.
24 hr trend......1 degree warmer.
Max humidity........80-86 percent.
24 hr trend......15 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then east.
Mixing Height.......3000-5000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms
early in the afternoon. Chance of showers and
thunderstorms late in the afternoon, then
slight chance of showers and thunderstorms late
in the afternoon. Chance of precipitation 40
percent.
Chance of thunder...40 percent.
Max temperature.....69-74.
24 hr trend......2 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest around 10 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.......1400-3400 ft agl until 1200, then 5800-7800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Lows around 50. Winds generally
less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper
70s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
West winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 74 to 79.
$$