033
FNUS55 KRIW 211905
FWFRIW

Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
105 PM MDT Fri Aug 21 2026

.DISCUSSION...

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

Temperatures this afternoon will push 3 to 5 degrees warmer than
yesterday. Thunderstorm activity will be limited for southern
zones and generally around 20 percent coverage. Gusty outflows and
some lightning the main threats this afternoon through about
19-2000L. Otherwise, winds in general outside of outflow activity
will be relatively light with humidity values above critical
thresholds. Mixing and smoke dispersal will remain generally very
good throughout the day. More widespread shower activity expected
overnight into Saturday morning.

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

Temperatures this afternoon will push 4 to 6 degrees warmer than
yesterday. Thunderstorm activity will be limited for zones
288/289/southern 286 currently, and possible 283 to 289 after
15-1600L, and generally around 20 percent coverage. Gusty
outflows and some lightning the main threats this afternoon
through about 19-2000L. Otherwise, winds in general outside of
outflow activity will be relatively light with humidity values
above critical thresholds. Mixing and smoke dispersal will remain
generally very good throughout the day. More widespread shower
activity expected overnight into Saturday morning.

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

Temperatures this afternoon will push 4 to 6 degrees warmer than
yesterday. Thunderstorm activity will be limited for zones 277/278
currently, and likely into 279/289 towards 15-1600L, and
generally around 20 percent coverage. Gusty outflows and some
lightning the main threats this afternoon through about 19-2000L.
Otherwise, winds in general outside of outflow activity will be
relatively light with humidity values above critical thresholds.
Mixing and smoke dispersal will remain generally very good
throughout the day. More widespread shower activity expected
overnight into Saturday morning.

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

WYZ280-222115-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Mostly sunny. Patchy smoke.
Chance of thunder...0 percent.
Max temperature.....91-96.
   24 hr trend......3 degrees warmer.
Min humidity........12-18 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Northwest winds around 15 mph with higher
                    gusts.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......11800-13800 ft agl.
Smoke dispersal.....Excellent.

.TONIGHT...
Sky/weather.........Partly cloudy. Patchy smoke early in the
                    evening. Patchy smoke in the late evening and
                    overnight.
Chance of thunder...0 percent.
Min temperature.....60-65.
   24 hr trend......3 degrees warmer.
Max humidity........59-65 percent.
   24 hr trend......7 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northeast winds 10 to 15 mph until 0300, then
                    downslope/downvalley 4-7 mph. Gusts up to 20
                    mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......4800-6800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Good to very good until 2400, then poor.

.SATURDAY...
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.....83-88.
   24 hr trend......8 degrees cooler.
Min humidity........30-36 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east
                    around 10 mph with higher gusts.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......400-2400 ft agl until 1200, then 4600-6600 ft
                    agl.
Smoke dispersal.....Poor until 1200, then fair to good.

.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms early in
                    the evening. Chance of precipitation 50
                    percent.
Chance of thunder...30 percent.
Min temperature.....62-67.
   24 hr trend......2 degrees warmer.
Max humidity........57-63 percent.
   24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......Southeast winds around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph until 0300, then
                    southwest around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Southeast around 15 mph until 2400, then
                    southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southeast around 15 mph until 2400, then
                    southwest.
Mixing Height.......2200-4200 ft agl until 2400, then 400-1000 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
                    Slight chance of showers and thunderstorms in
                    the afternoon. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Max temperature.....87-92.
   24 hr trend......4 degrees warmer.
Min humidity........20-26 percent.
   24 hr trend......6 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
                    mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9200-11200 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows around 60. West winds around
10 mph.
.MONDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 82 to 87.
Southwest winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.FRIDAY...Partly cloudy. Highs in the mid 80s.

$$

WYZ283-222115-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Patchy smoke early in the
                    evening. Slight chance of showers and
                    thunderstorms through the day. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....89-94.
   24 hr trend......2 degrees warmer.
Min humidity........17-23 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......8200-10200 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Patchy
                    smoke in the late evening and overnight. Chance
                    of precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....58-63.
   24 hr trend......2 degrees warmer.
Max humidity........55-61 percent.
   24 hr trend......12 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SATURDAY...
Sky/weather.........Mostly cloudy 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.....80-85.
   24 hr trend......7 degrees cooler.
Min humidity........29-35 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then south
                    around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......600-2600 ft agl until 1200, then 5200-7200 ft
                    agl.
Smoke dispersal.....Poor until 1200, then fair to good.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers late in the evening. Slight
                    chance of thunderstorms late in the evening.
                    Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....56-61.
   24 hr trend......1 degree cooler.
Max humidity........64-70 percent.
   24 hr trend......10 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
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.....82-87.
   24 hr trend......1 degree warmer.
Min humidity........29-35 percent.
   24 hr trend......1 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 10 mph until 1200, then around 20
                    mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
                    mph.
Mixing Height.......2000-4000 ft agl until 1200, then 8200-10200 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
around 10 mph.
.MONDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 81 to 86.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
.FRIDAY...Partly cloudy. Highs in the mid 80s.

$$

WYZ285-222115-
South Bighorn Mountains-
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Mostly sunny. Patchy smoke early in the
                    evening.
Chance of thunder...0 percent.
Max temperature.....84-89.
   24 hr trend......2 degrees warmer.
Min humidity........15-21 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......North winds around 15 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......9400-11400 ft agl.
Smoke dispersal.....Excellent.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Patchy smoke early in the evening. Patchy smoke
                    in the late evening and overnight.
Chance of thunder...0 percent.
Min temperature.....59-64.
   24 hr trend......Unchanged.
Max humidity........44-50 percent.
   24 hr trend......12 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northeast winds 10 to 15 mph until 0300, then
                    downslope/downvalley 4-7 mph. Gusts up to 25
                    mph.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....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 precipitation
                    20 percent.
Chance of thunder...10 percent.
Max temperature.....78-83.
   24 hr trend......6 degrees cooler.
Min humidity........27-33 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
                    around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5200-7200 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY NIGHT...
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.....60-65.
   24 hr trend......Unchanged.
Max humidity........57-63 percent.
   24 hr trend......13 percent wetter.
Humidity recovery...Good.
20-foot winds.......Southeast winds around 10 mph until 2400, then
                    southwest. Gusts up to 20 mph.
Ridge top winds.....Southeast around 15 mph until 2400, then
                    southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 2400, then southwest.
Mixing Height.......2200-4200 ft agl until 2400, then 400-800 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
                    Slight chance of showers and thunderstorms in
                    the afternoon. Chance of precipitation 20
                    percent.
Chance of thunder...20 percent.
Max temperature.....79-84.
   24 hr trend......1 degree warmer.
Min humidity........26-32 percent.
   24 hr trend......3 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
                    mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7400-9400 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows around 60. West winds around
10 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
West winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 75 to 80.
West winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Highs in the upper 70s.

$$

WYZ281-222115-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Mostly sunny. Patchy smoke.
Chance of thunder...0 percent.
Max temperature.....86-91.
   24 hr trend......Unchanged.
Min humidity........16-22 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......8800-10800 ft agl.
Smoke dispersal.....Very good to excellent.

.TONIGHT...
Sky/weather.........Partly cloudy. Patchy smoke early in the
                    evening. Patchy smoke in the late evening and
                    overnight.
Chance of thunder...0 percent.
Min temperature.....60-65.
   24 hr trend......1 degree warmer.
Max humidity........60-66 percent.
   24 hr trend......13 percent wetter.
Humidity recovery...Good.
20-foot winds.......North winds 10 to 15 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.Zero percent.
Transport winds.....North around 15 mph until 2400, then southeast.
Mixing Height.......3400-5400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SATURDAY...
Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms early in the afternoon. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....80-85.
   24 hr trend......7 degrees cooler.
Min humidity........32-38 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
                    southeast 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southeast 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 4000-6000 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of showers and thunderstorms early in
                    the evening, then slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....62-67.
   24 hr trend......2 degrees warmer.
Max humidity........60-66 percent.
   24 hr trend......2 percent wetter.
Humidity recovery...Good.
20-foot winds.......South winds 10 to 15 mph with gusts to around
                    30 mph until 0300, then southwest and gusty.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 400-1000 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
                    Slight chance of showers and thunderstorms in
                    the afternoon. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Max temperature.....83-88.
   24 hr trend......4 degrees warmer.
Min humidity........28-34 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty until
                    0900, then upslope/upvalley 5-9 mph until 1200,
                    then northwest around 10 mph with gusts to
                    around 25 mph.
Ridge top winds.....West around 10 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......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......
.SUNDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 60s. Winds
generally less than 10 mph.
.MONDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows 57 to 62. Highs 83 to 88.
Southwest winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.FRIDAY...Partly cloudy. Highs in the upper 80s.

$$

WYZ282-222115-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Patchy smoke.
Chance of thunder...0 percent.
Max temperature.....87-92.
   24 hr trend......1 degree warmer.
Min humidity........16-22 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......9000-10200 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Patchy smoke early in the evening. Patchy smoke
                    in the late evening and overnight.
Chance of thunder...0 percent.
Min temperature.....59-64.
   24 hr trend......1 degree warmer.
Max humidity........45-51 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......3800-5800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SATURDAY...
Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms late in the afternoon. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....81-86.
   24 hr trend......5 degrees cooler.
Min humidity........25-31 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then east
                    around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......400-2400 ft agl until 1200, then 4600-6600 ft
                    agl.
Smoke dispersal.....Poor until 1200, then fair to good.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers late in the evening. Chance
                    of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....59-64.
   24 hr trend......Unchanged.
Max humidity........56-62 percent.
   24 hr trend......15 percent wetter.
Humidity recovery...Moderate.
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 south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 2400, then
                    southwest.
Mixing Height.......2200-4200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    early in the afternoon. Chance of showers in
                    the afternoon. Chance of thunderstorms late in
                    the afternoon. Chance of precipitation 50
                    percent.
Chance of thunder...30 percent.
Max temperature.....82-87.
   24 hr trend......1 degree warmer.
Min humidity........25-31 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    northwest around 10 mph with gusts to around 25
                    mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
                    northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then
                    northwest.
Mixing Height.......1600-3600 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good to very good.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 60s. Winds
generally less than 10 mph.
.MONDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows around 60. Highs 83 to 88. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.FRIDAY...Partly cloudy. Highs in the mid 80s.

$$

WYZ275-222115-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Mostly sunny. Patchy smoke through the day.
Chance of thunder...0 percent.
Max temperature.....84-89.
   24 hr trend......1 degree warmer.
Min humidity........15-21 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......7400-8800 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Patchy smoke early in the evening. Patchy smoke
                    in the late evening and overnight.
Chance of thunder...0 percent.
Min temperature.....58-63.
   24 hr trend......2 degrees warmer.
Max humidity........44-50 percent.
   24 hr trend......2 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph. Gusts up to 20
                    mph.
Ridge top winds.....North around 15 mph until 2400, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SATURDAY...
Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms early in the afternoon. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....79-84.
   24 hr trend......5 degrees cooler.
Min humidity........24-30 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
                    southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3800-5800 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of thunderstorms late in the evening.
                    Slight chance of showers late in the evening.
                    Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....59-64.
   24 hr trend......Unchanged.
Max humidity........58-64 percent.
   24 hr trend......15 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
                    chance of thunderstorms in the afternoon.
                    Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....80-85.
   24 hr trend......1 degree warmer.
Min humidity........28-34 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, 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.
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......
.SUNDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 60s. Winds
generally less than 10 mph.
.MONDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 83 to 88.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.FRIDAY...Partly cloudy. Highs in the mid 80s.

$$

WYZ276-222115-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Patchy smoke.
Chance of thunder...0 percent.
Max temperature.....85-90.
   24 hr trend......Unchanged.
Min humidity........18-24 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......5600-7400 ft agl.
Smoke dispersal.....Good to very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Patchy smoke early in the
                    evening. Patchy smoke in the late evening and
                    overnight.
Chance of thunder...0 percent.
Min temperature.....60-65.
   24 hr trend......1 degree warmer.
Max humidity........48-54 percent.
   24 hr trend......6 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2100, then
                    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.Zero percent.
Transport winds.....North around 10 mph until 2400, then west.
Mixing Height.......2200-4200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SATURDAY...
Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms early in the afternoon. Chance of
                    showers and thunderstorms in the afternoon.
                    Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....78-83.
   24 hr trend......6 degrees cooler.
Min humidity........34-40 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
                    southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
                    southeast.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3000-5000 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of thunderstorms late in the evening.
                    Slight chance of showers late in the evening.
                    Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....60-65.
   24 hr trend......1 degree cooler.
Max humidity........58-64 percent.
   24 hr trend......10 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
                    west around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of thunderstorms early in the
                    afternoon. Chance of showers in the afternoon.
                    Chance of thunderstorms late in the afternoon.
                    Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....82-87.
   24 hr trend......4 degrees warmer.
Min humidity........31-37 percent.
   24 hr trend......3 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
                    mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7800-9800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Lows around 60. West winds around
10 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
West winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 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 upper 50s. Highs in the lower 80s.
Winds generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs in the
lower 80s.

$$

WYZ287-222115-
Owl Creek Mountains-
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Patchy
                    smoke through the day. Chance of precipitation
                    20 percent.
Chance of thunder...0 percent.
Max temperature.....83-88.
   24 hr trend......1 degree warmer.
Min humidity........15-21 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Northeast winds around 10 mph and gusty.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......6800-8800 ft agl.
Smoke dispersal.....Good to very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Patchy smoke early in the
                    evening. Patchy smoke in the late evening and
                    overnight.
Chance of thunder...0 percent.
Min temperature.....60-65.
   24 hr trend......1 degree warmer.
Max humidity........42-48 percent.
   24 hr trend......11 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2100, then
                    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.Zero percent.
Transport winds.....North around 10 mph until 2400, then west.
Mixing Height.......2400-4400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SATURDAY...
Sky/weather.........Mostly cloudy 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.....77-82.
   24 hr trend......6 degrees cooler.
Min humidity........30-36 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
                    around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 4600-6600 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers late in the evening. Slight
                    chance of thunderstorms late in the evening.
                    Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....59-64.
   24 hr trend......1 degree cooler.
Max humidity........52-58 percent.
   24 hr trend......10 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......800-2800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    early in the afternoon. Chance of showers in
                    the afternoon. Chance of thunderstorms late in
                    the afternoon. Chance of precipitation 50
                    percent.
Chance of thunder...30 percent.
Max temperature.....77-82.
   24 hr trend......2 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 10 mph and gusty until
                    0900, then upslope/upvalley 5-9 mph until 1200,
                    then west 10 to 15 mph with gusts to around 25
                    mph.
Ridge top winds.....West around 10 mph until 1200, then around 20
                    mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7800-9800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. West winds
around 10 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 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 upper 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Highs in the upper 70s.

$$

WYZ286-222115-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Patchy smoke. Slight chance of
                    showers and thunderstorms. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....78-83.
   24 hr trend......2 degrees warmer.
Min humidity........20-26 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.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......7800-9800 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers early in the morning. Patchy
                    smoke early in the evening. Patchy smoke in the
                    late evening and overnight. Chance of
                    precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....54-59.
   24 hr trend......3 degrees warmer.
Max humidity........60-66 percent.
   24 hr trend......7 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....Northeast around 10 mph until 2400, then
                    southwest.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 2400, then southwest.
Mixing Height.......2800-4800 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SATURDAY...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
                    morning. Slight chance of thunderstorms early
                    in the afternoon, then chance of showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....71-76.
   24 hr trend......9 degrees cooler.
Min humidity........42-48 percent.
   24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 3600-5600 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SATURDAY 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.....53-58.
   24 hr trend......2 degrees cooler.
Max humidity........72-78 percent.
   24 hr trend......10 percent wetter.
Humidity recovery...Excellent.
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.......800-2800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of showers in the morning, then
                    chance of showers and thunderstorms in the
                    afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....72-77.
   24 hr trend......1 degree warmer.
Min humidity........38-44 percent.
   24 hr trend......4 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 35
                    mph until 1500, then around 20 mph with gusts
                    to around 35 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
                    mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7000-9000 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. West winds
around 10 mph.
.MONDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
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 slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 70. West winds
around 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs in the
upper 60s.

$$

WYZ140-222115-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....82-87.
   24 hr trend......3 degrees warmer.
Min humidity........20-26 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......9600-11000 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Patchy smoke early in the
                    evening.
Chance of thunder...0 percent.
Min temperature.....51-56.
   24 hr trend......5 degrees warmer.
Max humidity........71-77 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
                    mph.
Ridge top winds.....Northeast around 10 mph until 2400, then
                    southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then south.
Mixing Height.......3800-5800 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor to fair.

.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of showers and thunderstorms
                    early in the afternoon. Chance of showers and
                    thunderstorms early in the afternoon. Slight
                    chance of showers and thunderstorms late in the
                    afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....72-77.
   24 hr trend......11 degrees cooler.
Min humidity........49-55 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 10 mph until 1200, then southwest
                    around 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4600-6400 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms in the evening. Chance of
                    precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....47-52.
   24 hr trend......3 degrees cooler.
Max humidity........81-87 percent.
   24 hr trend......17 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 20
                    mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
                    morning, then chance of showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....71-76.
   24 hr trend......Unchanged.
Min humidity........46-52 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest 10 to 15 mph with gusts to around 30
                    mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
                    25 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
.FRIDAY...Partly cloudy. Highs in the upper 60s.

$$

WYZ415-222115-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....84-89.
   24 hr trend......3 degrees warmer.
Min humidity........22-28 percent.
   24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......8800-10800 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
                    evening. Slight chance of thunderstorms through
                    the night. Chance of showers after midnight.
                    Chance of precipitation 40 percent.
Chance of thunder...10 percent.
Min temperature.....52-57.
   24 hr trend......4 degrees warmer.
Max humidity........78-84 percent.
   24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph.
Mixing Height.......2800-4800 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, then
                    chance of showers and thunderstorms in the
                    afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....71-76.
   24 hr trend......12 degrees cooler.
Min humidity........49-55 percent.
   24 hr trend......23 percent wetter.
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 southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4600-6600 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms late in the
                    evening. Slight chance of showers early in the
                    morning. Chance of precipitation 40 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
   24 hr trend......4 degrees cooler.
Max humidity........80-86 percent.
   24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of showers in the morning, then
                    chance of showers and thunderstorms in the
                    afternoon. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....70-75.
   24 hr trend......Unchanged.
Min humidity........47-53 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.....South around 10 mph until 1200, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph until 1200, then west
                    around 20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6400-8000 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the lower 70s. 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
lower 70s. Winds generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 40s. Highs around 70.

$$

WYZ416-222115-
West Wind River Mountains/East Zone Bridger Teton NF-
105 PM MDT Fri Aug 21 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.....78-83.
   24 hr trend......3 degrees warmer.
Min humidity........20-26 percent.
   24 hr trend......1 percent wetter.
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.......8000-10000 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers and slight
                    chance of thunderstorms. Chance of
                    precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....51-56.
   24 hr trend......3 degrees warmer.
Max humidity........69-75 percent.
   24 hr trend......13 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
                    east around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....East around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....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 in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....68-73.
   24 hr trend......10 degrees cooler.
Min humidity........41-47 percent.
   24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 4600-6600 ft
                    agl.
Smoke dispersal.....Fair to good.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    early in the evening. Slight chance of showers
                    in the evening. Chance of precipitation 20
                    percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
   24 hr trend......3 degrees cooler.
Max humidity........77-83 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....67-72.
   24 hr trend......1 degree cooler.
Min humidity........43-49 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
                    10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....West around 10 mph until 1200, then around 20
                    mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 10 mph until 1200, then around 20
                    mph.
Mixing Height.......2200-4200 ft agl until 1200, then 5600-7600 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Winds
generally less than 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with chance of showers
and 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 THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 40s. Highs in the
upper 60s.

$$

WYZ288-222115-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms. Chance of precipitation 20
                    percent.
Chance of thunder...20 percent.
Max temperature.....80-85.
   24 hr trend......3 degrees warmer.
Min humidity........18-24 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......7800-9800 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
                    early in the evening. Slight chance of showers
                    early in the evening. Slight chance of showers
                    after midnight. Chance of precipitation 20
                    percent.
Chance of thunder...20 percent.
Min temperature.....54-59.
   24 hr trend......2 degrees warmer.
Max humidity........57-63 percent.
   24 hr trend......11 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of showers and thunderstorms in the
                    afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....72-77.
   24 hr trend......8 degrees cooler.
Min humidity........40-46 percent.
   24 hr trend......16 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.....West 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5000-7000 ft
                    agl.
Smoke dispersal.....Fair to good.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    early in the evening. Slight chance of showers
                    in the evening. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Min temperature.....52-57.
   24 hr trend......2 degrees cooler.
Max humidity........62-68 percent.
   24 hr trend......7 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    early in the afternoon. Chance of showers in
                    the afternoon. Chance of thunderstorms late in
                    the afternoon. Chance of precipitation 50
                    percent.
Chance of thunder...30 percent.
Max temperature.....72-77.
   24 hr trend......Unchanged.
Min humidity........38-44 percent.
   24 hr trend......2 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 7000-9000 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. West winds
around 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with chance of showers
and thunderstorms. Lows in the lower 50s. Highs 69 to 74. West
winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the lower 70s. West winds
around 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs in the
lower 70s.

$$

WYZ414-222115-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....82-87.
   24 hr trend......3 degrees warmer.
Min humidity........20-26 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......8400-10400 ft agl.
Smoke dispersal.....Good to very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
                    evening. Slight chance of thunderstorms through
                    the night. Chance of showers after midnight.
                    Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....52-57.
   24 hr trend......3 degrees warmer.
Max humidity........77-83 percent.
   24 hr trend......20 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
                    southeast around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....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 early in the afternoon, then
                    slight chance of showers and thunderstorms late
                    in the afternoon. Chance of precipitation 40
                    percent.
Chance of thunder...30 percent.
Max temperature.....70-75.
   24 hr trend......11 degrees cooler.
Min humidity........40-46 percent.
   24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......1800-3800 ft agl until 1200, then 5600-7400 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Slight
                    chance of showers and thunderstorms after
                    midnight. Slight chance of showers early in the
                    morning. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
   24 hr trend......3 degrees cooler.
Max humidity........78-84 percent.
   24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 20
                    mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....70-75.
   24 hr trend......Unchanged.
Min humidity........41-47 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    10 to 15 mph with gusts to around 30 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.......2200-4200 ft agl until 1200, then 6400-8200 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows around 50. Winds generally
less than 10 mph.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the lower 70s. 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
mid 70s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
.FRIDAY...Partly cloudy. Highs in the lower 70s.

$$

WYZ278-222115-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...10 percent.
Max temperature.....83-88.
   24 hr trend......3 degrees warmer.
Min humidity........19-25 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......9400-11400 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
                    evening. Slight chance of thunderstorms through
                    the night. Chance of showers after midnight.
                    Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....54-59.
   24 hr trend......5 degrees warmer.
Max humidity........66-72 percent.
   24 hr trend......2 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then north
                    until 0300, then downslope/downvalley 4-7 mph.
                    Gusts up to 15 mph.
Ridge top winds.....North 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.....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...30 percent.
Max temperature.....75-80.
   24 hr trend......8 degrees cooler.
Min humidity........34-40 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
                    around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 1200, then
                    southwest.
Mixing Height.......1400-3400 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY 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......4 degrees cooler.
Max humidity........78-84 percent.
   24 hr trend......18 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 10 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....74-79.
   24 hr trend......Unchanged.
Min humidity........33-39 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then west
                    around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 1200, then west
                    around 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7400-9400 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Lows around 50. Winds generally
less than 10 mph.
.MONDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the upper 70s. 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. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Highs in the upper 70s.

$$

WYZ277-222115-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
105 PM MDT Fri Aug 21 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.....84-89.
   24 hr trend......4 degrees warmer.
Min humidity........15-21 percent.
   24 hr trend......Unchanged.
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.......9200-11200 ft agl.
Smoke dispersal.....Good to very good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
                    evening. Slight chance of thunderstorms through
                    the night. Chance of showers after midnight.
                    Chance of precipitation 30 percent.
Chance of thunder...10 percent.
Min temperature.....55-60.
   24 hr trend......3 degrees warmer.
Max humidity........71-77 percent.
   24 hr trend......15 percent wetter.
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 north.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then
                    northwest.
Mixing Height.......2400-4400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....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 40 percent.
Chance of thunder...30 percent.
Max temperature.....76-81.
   24 hr trend......9 degrees cooler.
Min humidity........28-34 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
                    southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
                    southwest.
Mixing Height.......1600-3600 ft agl until 1200, then 6400-8400 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY NIGHT...
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.....51-56.
   24 hr trend......3 degrees cooler.
Max humidity........75-81 percent.
   24 hr trend......6 percent wetter.
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 west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then
                    northwest.
Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
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.....76-81.
   24 hr trend......Unchanged.
Min humidity........27-33 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 15 mph with gusts to around 25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
                    around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
                    around 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9000-11000 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.


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

$$

WYZ279-222115-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....85-90.
   24 hr trend......3 degrees warmer.
Min humidity........18-24 percent.
   24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......10800-12800 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....58-63.
   24 hr trend......3 degrees warmer.
Max humidity........59-65 percent.
   24 hr trend......6 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2100, then
                    north until 2400, then downslope/downvalley 4-7
                    mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SATURDAY...
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.....78-83.
   24 hr trend......9 degrees cooler.
Min humidity........38-44 percent.
   24 hr trend......13 percent wetter.
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.......1000-3000 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY NIGHT...
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 40 percent.
Chance of thunder...20 percent.
Min temperature.....55-60.
   24 hr trend......3 degrees cooler.
Max humidity........70-76 percent.
   24 hr trend......21 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.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
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.....77-82.
   24 hr trend......1 degree warmer.
Min humidity........38-44 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
                    10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
                    around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
                    around 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 8200-10200 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.SUNDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows 52 to 57. Highs in the lower 80s.
Winds generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs in the
lower 80s.

$$

WYZ289-222115-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....86-91.
   24 hr trend......2 degrees warmer.
Min humidity........13-19 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......10200-12200 ft agl.
Smoke dispersal.....Very good to excellent.

.TONIGHT...
Sky/weather.........Mostly cloudy. Patchy smoke in the late evening
                    and overnight.
Chance of thunder...0 percent.
Min temperature.....59-64.
   24 hr trend......2 degrees warmer.
Max humidity........49-55 percent.
   24 hr trend......5 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......North winds around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-600 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 late
                    in the afternoon. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Max temperature.....80-85.
   24 hr trend......6 degrees cooler.
Min humidity........24-30 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 1200, then southwest.
Mixing Height.......800-2800 ft agl until 1200, then 6200-8200 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY NIGHT...
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.....58-63.
   24 hr trend......1 degree cooler.
Max humidity........63-69 percent.
   24 hr trend......15 percent wetter.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph until 0300, then
                    southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor to fair until 2400, then poor.

.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
                    Slight chance of showers and thunderstorms in
                    the afternoon. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Max temperature.....81-86.
   24 hr trend......Unchanged.
Min humidity........24-30 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 10 to 15 mph until 1500, then
                    west around 20 mph. Gusts up to 35 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
                    mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9400-11400 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.


.Forecast days 3 through 7......
.SUNDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows 54 to 59. Highs 79 to 84.
Southwest winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
.FRIDAY...Partly cloudy. Highs in the lower 80s.

$$

WYZ300-222115-
Casper Mountain-
105 PM MDT Fri Aug 21 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Patchy smoke early in the
                    evening.
Chance of thunder...0 percent.
Max temperature.....85-90.
   24 hr trend......4 degrees warmer.
Min humidity........18-24 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......12200-12800 ft agl.
Smoke dispersal.....Excellent.

.TONIGHT...
Sky/weather.........Partly cloudy. Patchy smoke.
Chance of thunder...0 percent.
Min temperature.....59-64.
   24 hr trend......1 degree warmer.
Max humidity........52-58 percent.
   24 hr trend......12 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northeast winds around 10 mph until 2400, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....Northeast around 15 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 2400, then
                    southeast.
Mixing Height.......5000-7000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Good to very good until 2400, then poor.

.SATURDAY...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....78-83.
   24 hr trend......7 degrees cooler.
Min humidity........34-40 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then east
                    around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then west.
Mixing Height.......1400-3400 ft agl until 1200, then 5600-7600 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.

.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of showers and thunderstorms early in
                    the evening, then slight chance of showers and
                    thunderstorms early in the evening. Chance of
                    precipitation 40 percent.
Chance of thunder...30 percent.
Min temperature.....60-65.
   24 hr trend......2 degrees warmer.
Max humidity........58-64 percent.
   24 hr trend......6 percent wetter.
Humidity recovery...Good.
20-foot winds.......South winds 10 to 15 mph. Gusts up to 30 mph
                    until 2400, then 20 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600-800 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...10 percent.
Max temperature.....81-86.
   24 hr trend......2 degrees warmer.
Min humidity........28-34 percent.
   24 hr trend......5 percent drier.
20-foot winds.......West winds 10 to 15 mph until 1500, then around
                    15 mph. Gusts up to 30 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9400-11400 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.


.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Lows in the upper 50s.
Winds generally less than 10 mph.
.MONDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs 76 to 81.
Winds generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs in the
upper 70s.

$$