Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY

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153
FNUS55 KRIW 151902
FWFRIW

Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
102 PM MDT Sat Aug 15 2026

.DISCUSSION...

...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...

Showers and thunderstorms are on a decreasing trend this evening,
ending by about midnight. Drier air makes its way in for Sunday,
with minimum humidity values trending 5 to 10 percent drier. Shower
and thunderstorm chances occur Sunday afternoon, with 20 to 40
percent chances across all zones. The chance for a wetting rain is
10 percent or lower.

...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...

Shower and thunderstorm chances decrease from west to east this
evening, with most done by midnight. Drier and warmer air makes it
into the area Sunday, with minimum humidity values trending around
10 percent drier and temperatures trending a few degrees warmer.
There will be shower and thunderstorm chances Sunday afternoon,
mainly over mountains and nearby lower elevations.

...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...

Shower and thunderstorm chances decrease from west to east this
evening, with most done by midnight. Drier and warmer air makes it
into the area Sunday, with minimum humidity values trending around
10 percent drier for most zones and around 20 percent drier for
zones 280, 281, 285, and 300. There will be isolated (15 percent)
shower and thunderstorm chances Sunday afternoon for mountains and
nearby lower elevations.

...Thunderstorms imply strong gusty and erratic winds...

WYZ280-162115-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....73-78.
   24 hr trend......4 degrees cooler.
Min humidity........45-51 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......Northeast winds around 10 mph and gusty.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....North around 15 mph.
Mixing Height.......4000-5800 ft agl.
Smoke dispersal.....Fair to good.

.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.....49-54.
   24 hr trend......2 degrees cooler.
Max humidity........83-89 percent.
   24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph with gusts to
                    around 25 mph until 2400, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
                    southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast around 15 mph until 2400, then
                    southeast.
Mixing Height.......1200-3200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....78-83.
   24 hr trend......5 degrees warmer.
Min humidity........23-29 percent.
   24 hr trend......20 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.......1400-3400 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....52-57.
   24 hr trend......2 degrees warmer.
Max humidity........61-67 percent.
   24 hr trend......23 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph with gusts to
                    around 25 mph until 2100, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 400 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....81-86.
   24 hr trend......3 degrees warmer.
Min humidity........19-25 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
                    around 10 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 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...Partly cloudy. Lows in the mid 50s. 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.
Northwest winds around 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 90.

$$

WYZ283-162115-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....72-77.
   24 hr trend......2 degrees cooler.
Min humidity........39-45 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Northwest winds around 10 mph with higher
                    gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......4800-6800 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers early in the
                    evening. Slight chance of thunderstorms in the
                    evening. Slight chance of showers in the
                    evening. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....47-52.
   24 hr trend......2 degrees cooler.
Max humidity........75-81 percent.
   24 hr trend......1 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.....North 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 15 mph until 2400, then south.
Mixing Height.......1200-3200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
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.....74-79.
   24 hr trend......2 degrees warmer.
Min humidity........30-36 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SUNDAY NIGHT...
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.....49-54.
   24 hr trend......2 degrees warmer.
Max humidity........61-67 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph with gusts to
                    around 25 mph until 2100, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
                    southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 400 ft agl.
Smoke dispersal.....Poor to fair until 2400, then poor.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....77-82.
   24 hr trend......3 degrees warmer.
Min humidity........23-29 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 6400-8400 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Winds
generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs around 80.
Northwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s.

$$

WYZ285-162115-
South Bighorn Mountains-
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...50 percent.
Max temperature.....66-71.
   24 hr trend......3 degrees cooler.
Min humidity........52-58 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.30 percent.
Transport winds.....West around 15 mph.
Mixing Height.......3800-5600 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms late 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........76-82 percent.
   24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph with gusts to
                    around 25 mph until 2400, then
                    downslope/downvalley 4-7 mph until 0300, then
                    southwest around 10 mph with gusts to around 15
                    mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
                    southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 15 mph until 2400, then south.
Mixing Height.......1200-3200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Slight chance of showers and thunderstorms
                    early in the afternoon. Chance of precipitation
                    20 percent.
Chance of thunder...10 percent.
Max temperature.....70-75.
   24 hr trend......4 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......18 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
                    mph until 1500, then northwest 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.......1600-3600 ft agl until 1200, then 6000-8000 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
                    good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....51-56.
   24 hr trend......3 degrees warmer.
Max humidity........53-59 percent.
   24 hr trend......23 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph and gusty until
                    2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then southwest.
Mixing Height.......2200-4200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....72-77.
   24 hr trend......3 degrees warmer.
Min humidity........24-30 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
                    around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7800-9800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers after
midnight. Lows in the mid 50s. Winds generally less than 10 mph.
.TUESDAY...Mostly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
Northwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 70s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Northwest winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs around 80.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.

$$

WYZ281-162115-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...50 percent.
Max temperature.....66-71.
   24 hr trend......5 degrees cooler.
Min humidity........58-64 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......Northeast winds around 10 mph with higher
                    gusts.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.45 percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......2800-3800 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 late in the evening.
                    Slight chance of showers late in the evening.
                    Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....50-55.
   24 hr trend......2 degrees cooler.
Max humidity........81-87 percent.
   24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph and gusty until 2100,
                    then downslope/downvalley 4-7 mph.
Ridge top winds.....North around 10 mph until 2400, then south.
Chc of wetting rain.Less than 5 percent.
Transport winds.....East around 10 mph until 2400, then south.
Mixing Height.......600-2600 ft agl until 2400, then 400 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
                    thunderstorms early in the afternoon. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....73-78.
   24 hr trend......7 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......24 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty until
                    1200, then northwest with gusts to around 25
                    mph.
Ridge top winds.....Southwest around 15 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then
                    northwest.
Mixing Height.......1400-3400 ft agl until 1200, then 6400-8400 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good to very good.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear. Slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....52-57.
   24 hr trend......2 degrees warmer.
Max humidity........66-72 percent.
   24 hr trend......18 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph and gusty until 2400,
                    then downslope/downvalley 4-7 mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......2800-4800 ft agl until 2400, then 400 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....75-80.
   24 hr trend......3 degrees warmer.
Min humidity........28-34 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
                    northwest around 10 mph with higher gusts.
Ridge top winds.....Southwest around 10 mph until 1200, then
                    northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
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.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers after
midnight. Lows in the upper 50s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Northwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 60. Highs in the upper 80s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 90.

$$

WYZ282-162115-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....69-74.
   24 hr trend......1 degree cooler.
Min humidity........41-47 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Northwest winds around 10 mph with higher
                    gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......4800-6800 ft agl.
Smoke dispersal.....Good.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers and thunderstorms late in the
                    evening. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
   24 hr trend......2 degrees cooler.
Max humidity........71-77 percent.
   24 hr trend......11 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.Zero percent.
Transport winds.....Northwest around 10 mph until 2400, then south.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Slight chance of showers and thunderstorms
                    early in the afternoon. Chance of precipitation
                    20 percent.
Chance of thunder...10 percent.
Max temperature.....73-78.
   24 hr trend......3 degrees warmer.
Min humidity........28-34 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
                    around 10 mph with higher gusts.
Ridge top winds.....South around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then
                    northwest.
Mixing Height.......1000-3000 ft agl until 1200, then 5600-7600 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SUNDAY NIGHT...
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.....50-55.
   24 hr trend......2 degrees warmer.
Max humidity........60-66 percent.
   24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast winds around 10 mph and gusty until
                    2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....East around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 15 mph until 2400, then northwest.
Mixing Height.......2000-4000 ft agl until 2400, then 400 ft agl.
Smoke dispersal.....Poor.

.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....75-80.
   24 hr trend......3 degrees warmer.
Min humidity........24-30 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
                    around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 5 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 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......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers after
midnight. Lows in the upper 50s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 80s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 90.

$$

WYZ275-162115-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening, then chance
                    of showers and thunderstorms early in the
                    evening. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....67-72.
   24 hr trend......1 degree warmer.
Min humidity........42-48 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 10 mph.
Mixing Height.......5000-7000 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers and thunderstorms late in the
                    evening. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
   24 hr trend......1 degree cooler.
Max humidity........71-77 percent.
   24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph and gusty until
                    2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then south.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
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.....70-75.
   24 hr trend......4 degrees warmer.
Min humidity........31-37 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
                    around 10 mph until 1200, then upslope/upvalley
                    5-9 mph until 1500, then northwest around 10
                    mph. Gusts up to 15 mph.
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.......1000-3000 ft agl until 1200, then 5000-7000 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....50-55.
   24 hr trend......1 degree warmer.
Max humidity........64-70 percent.
   24 hr trend......8 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph and gusty until 2100,
                    then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 400 ft agl.
Smoke dispersal.....Poor.

.MONDAY...
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......2 degrees warmer.
Min humidity........27-33 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor to fair.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers after
midnight. Lows in the upper 50s. 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...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 60. Highs in the upper 80s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 90.

$$

WYZ276-162115-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...50 percent.
Max temperature.....67-72.
   24 hr trend......1 degree warmer.
Min humidity........45-51 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Northeast winds around 10 mph with higher
                    gusts.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.30 percent.
Transport winds.....West around 15 mph.
Mixing Height.......3400-5400 ft agl.
Smoke dispersal.....Fair.

.TONIGHT...
Sky/weather.........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.....49-54.
   24 hr trend......Unchanged.
Max humidity........70-76 percent.
   24 hr trend......15 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.....West around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......800-2800 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Chance of showers and thunderstorms in the
                    afternoon. Chance of precipitation 40 percent.
Chance of thunder...30 percent.
Max temperature.....72-77.
   24 hr trend......5 degrees warmer.
Min humidity........39-45 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    northeast around 10 mph with gusts to around 25
                    mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
                    northeast.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5200-7200 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....52-57.
   24 hr trend......2 degrees warmer.
Max humidity........58-64 percent.
   24 hr trend......10 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 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.......2000-4000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.MONDAY...
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.....75-80.
   24 hr trend......2 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
                    northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 5200-7200 ft
                    agl.
Smoke dispersal.....Fair to good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers after
midnight. Lows in the mid 50s. 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 slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs around 80. Winds
generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 82 to 87.

$$

WYZ287-162115-
Owl Creek Mountains-
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Showers likely early in the
                    evening. Chance of thunderstorms through the
                    day. Chance of showers early in the evening.
                    Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....66-71.
   24 hr trend......1 degree cooler.
Min humidity........48-54 percent.
   24 hr trend......8 percent drier.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.35 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......3200-5200 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms in the
                    evening. Chance of precipitation 40 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
   24 hr trend......1 degree cooler.
Max humidity........67-73 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 10 mph until 2400, then
                    southwest.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Northwest around 10 mph until 2400, then
                    southwest.
Mixing Height.......600-2600 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Chance of showers and thunderstorms in the
                    afternoon. Chance of precipitation 40 percent.
Chance of thunder...30 percent.
Max temperature.....68-73.
   24 hr trend......3 degrees warmer.
Min humidity........37-43 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
                    east. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then east.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5200-7200 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....51-56.
   24 hr trend......3 degrees warmer.
Max humidity........52-58 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Moderate.
20-foot winds.......East winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 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.......1800-3800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....71-76.
   24 hr trend......3 degrees warmer.
Min humidity........28-34 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 5600-7600 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Chance of showers after midnight.
Lows in the upper 50s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows 52 to 57. Highs in the lower 70s.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 60. Highs in the lower 80s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.

$$

WYZ286-162115-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...50 percent.
Max temperature.....61-66.
   24 hr trend......1 degree warmer.
Min humidity........46-52 percent.
   24 hr trend......13 percent drier.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.20 percent.
Transport winds.....West around 15 mph.
Mixing Height.......3600-5200 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms in the evening. Slight chance of
                    showers after midnight. Chance of precipitation
                    50 percent.
Chance of thunder...30 percent.
Min temperature.....42-47.
   24 hr trend......Unchanged.
Max humidity........76-82 percent.
   24 hr trend......18 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph until 0300, then
                    west around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Slight chance of showers and thunderstorms
                    early in the afternoon. Chance of showers and
                    thunderstorms early in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....65-70.
   24 hr trend......3 degrees warmer.
Min humidity........38-44 percent.
   24 hr trend......8 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.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then very good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    early in the evening. Slight chance of showers
                    early in the evening. Chance of precipitation
                    20 percent.
Chance of thunder...20 percent.
Min temperature.....45-50.
   24 hr trend......2 degrees warmer.
Max humidity........68-74 percent.
   24 hr trend......10 percent drier.
Humidity recovery...Good.
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.......2000-4000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor to fair.

.MONDAY...
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.....67-72.
   24 hr trend......1 degree warmer.
Min humidity........33-39 percent.
   24 hr trend......5 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
                    mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 6600-8600 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then chance of showers
after midnight. Lows in the upper 40s. West winds around 10 mph.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the mid 60s. West winds around
10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
West winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 70. West winds
around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the lower 70s.

$$

WYZ140-162115-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...30 percent.
Max temperature.....64-69.
   24 hr trend......3 degrees warmer.
Min humidity........47-53 percent.
   24 hr trend......28 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher
                    gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......4400-6200 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms late in the
                    evening. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....38-43.
   24 hr trend......Unchanged.
Max humidity........79-85 percent.
   24 hr trend......6 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.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the afternoon. Chance of
                    showers and thunderstorms late in the
                    afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....67-72.
   24 hr trend......3 degrees warmer.
Min humidity........44-50 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
                    southwest 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 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.......1800-3800 ft agl until 1200, then 6200-8000 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers and slight
                    chance of thunderstorms in the evening. Chance
                    of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....40-45.
   24 hr trend......2 degrees warmer.
Max humidity........76-82 percent.
   24 hr trend......7 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
                    southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then south.
Mixing Height.......2200-4200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor to fair until 2400, then poor.

.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly 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......1 degree warmer.
Min humidity........43-49 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 25 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west
                    around 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 6600-8600 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then showers likely after
midnight. Lows in the mid 40s. Winds generally less than 10 mph.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the mid 60s. Winds generally less
than 10 mph.
.WEDNESDAY...Partly cloudy with slight 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...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the lower 70s.

$$

WYZ415-162115-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....64-69.
   24 hr trend......3 degrees warmer.
Min humidity........53-59 percent.
   24 hr trend......29 percent drier.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 15 mph.
Mixing Height.......3600-4800 ft agl.
Smoke dispersal.....Fair.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....37-42.
   24 hr trend......Unchanged.
Max humidity........79-85 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....Southwest around 10 mph until 2400, then
                    southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming 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.....68-73.
   24 hr trend......4 degrees warmer.
Min humidity........43-49 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 5600-7600 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good.

.SUNDAY NIGHT...
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.....40-45.
   24 hr trend......2 degrees warmer.
Max humidity........74-80 percent.
   24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....Southwest around 10 mph until 2400, then
                    southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then
                    southeast.
Mixing Height.......2000-4000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.MONDAY...
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.....69-74.
   24 hr trend......1 degree warmer.
Min humidity........40-46 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph with gusts to around 25 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west
                    around 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then showers likely after
midnight. Lows in the mid 40s. Winds generally less than 10 mph.
.TUESDAY...Mostly 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.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the lower 70s.

$$

WYZ416-162115-
West Wind River Mountains/East Zone Bridger Teton NF-
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....60-65.
   24 hr trend......3 degrees warmer.
Min humidity........44-50 percent.
   24 hr trend......16 percent drier.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 15 mph.
Mixing Height.......4800-6000 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....39-44.
   24 hr trend......Unchanged.
Max humidity........75-81 percent.
   24 hr trend......21 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.....Northwest around 10 mph.
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.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Slight chance of showers and thunderstorms
                    early in the afternoon. 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......3 degrees warmer.
Min humidity........38-44 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
                    10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
                    mph.
Mixing Height.......2200-4200 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
                    good.

.SUNDAY NIGHT...
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.....41-46.
   24 hr trend......2 degrees warmer.
Max humidity........67-73 percent.
   24 hr trend......10 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph and gusty until
                    2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 10 mph until 2400, then
                    northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 2400, then
                    northeast.
Mixing Height.......2000-4000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....65-70.
   24 hr trend......1 degree warmer.
Min humidity........32-38 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
                    mph.
Mixing Height.......2400-4400 ft agl until 1200, then 6400-8200 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Chance of showers after midnight.
Lows in the mid 40s. Winds generally less than 10 mph.
.TUESDAY...Mostly cloudy with chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. West
winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs around 70.
West winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs around 70.

$$

WYZ288-162115-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....64-69.
   24 hr trend......Unchanged.
Min humidity........43-49 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......West winds around 15 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 15 mph.
Mixing Height.......4800-6800 ft agl.
Smoke dispersal.....Good.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....42-47.
   24 hr trend......1 degree cooler.
Max humidity........69-75 percent.
   24 hr trend......16 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph until 0300, 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 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Slight chance of showers and thunderstorms
                    early in the afternoon. Chance of showers and
                    thunderstorms late 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........35-41 percent.
   24 hr trend......8 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.......2400-4400 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.

.SUNDAY NIGHT...
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.....45-50.
   24 hr trend......3 degrees warmer.
Max humidity........59-65 percent.
   24 hr trend......11 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
                    25 mph until 2100, then downslope/downvalley
                    4-7 mph.
Ridge top winds.....West 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.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....68-73.
   24 hr trend......2 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......5 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
                    until 1200, then 30 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7200-9200 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of showers after midnight.
Lows in the lower 50s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the upper 60s. West winds around
10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows 47 to 52. Highs 69 to 74. West
winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 70s.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.

$$

WYZ414-162115-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...30 percent.
Max temperature.....63-68.
   24 hr trend......4 degrees warmer.
Min humidity........44-50 percent.
   24 hr trend......19 percent drier.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......4600-5800 ft agl.
Smoke dispersal.....Fair to 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.....37-42.
   24 hr trend......Unchanged.
Max humidity........75-81 percent.
   24 hr trend......26 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....West around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then south.
Mixing Height.......1600-3600 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
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.....68-73.
   24 hr trend......4 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......9 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 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7000-8800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
                    good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....40-45.
   24 hr trend......2 degrees warmer.
Max humidity........72-78 percent.
   24 hr trend......9 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 until 2400, then
                    southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then south.
Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor to fair.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....69-74.
   24 hr trend......1 degree warmer.
Min humidity........31-37 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph with gusts to around 25 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7800-9800 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 after
midnight. Lows in the upper 40s. Winds generally less than
10 mph.
.TUESDAY...Mostly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 70. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Lows around 50. Highs in the mid 70s.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.

$$

WYZ278-162115-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers and thunderstorms early in
                    the evening. Chance of precipitation 50
                    percent.
Chance of thunder...20 percent.
Max temperature.....67-72.
   24 hr trend......1 degree warmer.
Min humidity........39-45 percent.
   24 hr trend......2 percent drier.
20-foot winds.......West winds around 10 mph with gusts to around
                    25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......6600-8600 ft agl.
Smoke dispersal.....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.....40-45.
   24 hr trend......1 degree cooler.
Max humidity........76-82 percent.
   24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph and gusty until
                    2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SUNDAY...
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.....70-75.
   24 hr trend......3 degrees warmer.
Min humidity........31-37 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph with higher gusts.
Ridge top winds.....Northeast around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 7600-9600 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good to very good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....42-47.
   24 hr trend......3 degrees warmer.
Max humidity........72-78 percent.
   24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph and gusty until
                    2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....71-76.
   24 hr trend......2 degrees warmer.
Min humidity........27-33 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 8400-10400 ft
                    agl.
Smoke dispersal.....Poor until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the upper 40s. Winds
generally less than 10 mph.
.TUESDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
Northwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs around 80.
Winds generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows around 50. Highs in the lower
80s.

$$

WYZ277-162115-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Max temperature.....67-72.
   24 hr trend......3 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......3 percent drier.
20-foot winds.......West winds around 10 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.......7000-8400 ft agl.
Smoke dispersal.....Good to very good.

.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....40-45.
   24 hr trend......Unchanged.
Max humidity........75-81 percent.
   24 hr trend......15 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....West around 10 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Slight chance of showers and thunderstorms
                    early in the afternoon. Chance of precipitation
                    20 percent.
Chance of thunder...10 percent.
Max temperature.....71-76.
   24 hr trend......3 degrees warmer.
Min humidity........25-31 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph with higher gusts.
Ridge top winds.....Southeast around 10 mph until 1200, then
                    southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 8000-10000 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good to very good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....42-47.
   24 hr trend......3 degrees warmer.
Max humidity........70-76 percent.
   24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....73-78.
   24 hr trend......2 degrees warmer.
Min humidity........23-29 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
                    around 10 mph with higher gusts.
Ridge top winds.....South around 5 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 5 mph until 1200, then west around
                    15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8600-10600 ft
                    agl.
Smoke dispersal.....Poor until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows around 50. Winds generally
less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs in the
upper 70s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 80 to 85.

$$

WYZ279-162115-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Max temperature.....70-75.
   24 hr trend......2 degrees warmer.
Min humidity........36-42 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest winds around 10 mph with gusts to
                    around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......7000-9000 ft agl.
Smoke dispersal.....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.....46-51.
   24 hr trend......2 degrees cooler.
Max humidity........74-80 percent.
   24 hr trend......1 percent wetter.
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 15 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....73-78.
   24 hr trend......2 degrees warmer.
Min humidity........33-39 percent.
   24 hr trend......9 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.......2200-4200 ft agl until 1200, then 8200-10200 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good to very good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....49-54.
   24 hr trend......3 degrees warmer.
Max humidity........62-68 percent.
   24 hr trend......15 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 5 to 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 5 to 10 mph.
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.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....75-80.
   24 hr trend......2 degrees warmer.
Min humidity........30-36 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph with gusts to around 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9400-11400 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Winds
generally less than 10 mph.
.TUESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows 50 to 55. Highs 80 to 85. West
winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs in the mid
80s.

$$

WYZ289-162115-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Max temperature.....71-76.
   24 hr trend......Unchanged.
Min humidity........31-37 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......6600-8600 ft agl.
Smoke dispersal.....Good to very good.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers and thunderstorms late in the
                    evening. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....48-53.
   24 hr trend......2 degrees cooler.
Max humidity........78-84 percent.
   24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 15 mph with gusts to
                    around 25 mph until 2100, then northeast with
                    gusts to around 25 mph until 2400, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....North around 15 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southeast.
Mixing Height.......2800-4800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SUNDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....74-79.
   24 hr trend......2 degrees warmer.
Min humidity........21-27 percent.
   24 hr trend......8 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 around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 8200-10200 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....50-55.
   24 hr trend......3 degrees warmer.
Max humidity........56-62 percent.
   24 hr trend......20 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph and gusty until 2100.
                    Downslope/downvalley 4-7 mph after 0300.
Ridge top winds.....Northwest around 15 mph until 2400, then west
                    around 5 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then west
                    around 5 mph.
Mixing Height.......4000-6000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Good until 2400, then poor.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....77-82.
   24 hr trend......3 degrees warmer.
Min humidity........18-24 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9000-11000 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Winds
generally less than 10 mph.
.TUESDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.

$$

WYZ300-162115-
Casper Mountain-
102 PM MDT Sat Aug 15 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....69-74.
   24 hr trend......2 degrees cooler.
Min humidity........47-53 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......4800-5600 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and slight
                    chance of thunderstorms in the evening. Chance
                    of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
   24 hr trend......2 degrees cooler.
Max humidity........78-84 percent.
   24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph with gusts to
                    around 25 mph until 2400, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
                    southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then south.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
   24 hr trend......4 degrees warmer.
Min humidity........26-32 percent.
   24 hr trend......16 percent drier.
20-foot winds.......South winds around 10 mph until 0900, then
                    west. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7400-9400 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
   24 hr trend......3 degrees warmer.
Max humidity........53-59 percent.
   24 hr trend......25 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph and gusty until
                    2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 2400, then southeast.
Mixing Height.......3600-5600 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....76-81.
   24 hr trend......3 degrees warmer.
Min humidity........22-28 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph with gusts to around 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9200-11200 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Winds
generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs in the
mid 70s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.

$$