374
FNUS55 KRIW 291931
FWFRIW

Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
131 PM MDT Sat Aug 29 2026

.DISCUSSION...

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

Numerous showers and thunderstorms will be around the area through
the next day. A relative lull in rain chances occurs this evening,
but increases overnight. Wetting rains are very likely, with
moderate to heavy rainfall occurring. On Sunday, winds prevail from
the southwest, with gusts 20 to 30 mph in the higher terrain.
Temperatures trend a couple degrees cooler and minimum humidity
trends 20 to 30 percent drier as monsoonal moisture decreases.

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

Showers and thunderstorms will be possible through Sunday, including
overnight tonight. A lull in chances occurs overnight, with some
isolated 15 percent chances and better chances over the higher
terrain of zone 286. Rain chances increase around sunrise. Moderate
to heavy rain is likely with showers and storms. Sunday temperatures
trend a couple degrees cooler and minimum humidity trends 10 to 20
percent drier as monsoonal moisture decreases.

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

Shower and thunderstorm chances continue overnight and through
Sunday. The most numerous will be west of the Continental Divide,
zones 277, 278, and 279. Moderate to heavy rain brings good chances
for wetting rains. A relative lull in chances occurs this evening.
Sunday temperatures trend a couple degrees cooler and minimum
humidity trends 5 to 10 percent drier as monsoonal moisture
decreases.

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

WYZ280-302145-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms early in
                    the evening. Some thunderstorms may be severe.
                    Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....78-83.
   24 hr trend......4 degrees cooler.
Min humidity........31-37 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
                    around 45 mph.
Ridge top winds.....West around 30 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 35 mph.
Mixing Height.......5400-7400 ft agl.
Smoke dispersal.....Excellent.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of showers early in the evening.
                    Slight chance of thunderstorms early in the
                    evening. Some thunderstorms may be severe.
                    Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....57-62.
   24 hr trend......2 degrees cooler.
Max humidity........67-73 percent.
   24 hr trend......1 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 20 mph with gusts to
                    around 35 mph.
Ridge top winds.....Southwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 600-800 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms late in the afternoon. Chance of
                    precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....75-80.
   24 hr trend......4 degrees cooler.
Min humidity........25-31 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
                    to around 40 mph.
Ridge top winds.....Southwest around 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Good until 1200, then excellent.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....52-57.
   24 hr trend......5 degrees cooler.
Max humidity........64-70 percent.
   24 hr trend......4 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 20 mph with gusts to around
                    30 mph until 2100, then southwest around 10 mph
                    with gusts to around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3400-5400 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.....78-83.
   24 hr trend......2 degrees warmer.
Min humidity........20-26 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7000-9000 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
                    excellent.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Southwest
winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers. Lows in
the upper 50s. Highs around 80. Southwest winds around 15 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the mid 50s.
Highs 79 to 84. Southwest winds 15 to 20 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.

$$

WYZ283-302145-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers early in the
                    evening. Slight chance of thunderstorms through
                    the day. Slight chance of showers early in the
                    evening. Some thunderstorms may be severe early
                    in the evening. Chance of precipitation 40
                    percent.
Chance of thunder...20 percent.
Max temperature.....72-77.
   24 hr trend......5 degrees cooler.
Min humidity........39-45 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
                    35 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 20 mph.
Mixing Height.......4200-5000 ft agl.
Smoke dispersal.....Good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of thunderstorms early in the
                    evening. Slight chance of showers early in the
                    evening. Some thunderstorms may be severe.
                    Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....49-54.
   24 hr trend......2 degrees cooler.
Max humidity........75-81 percent.
   24 hr trend......19 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers until
                    late afternoon. Slight chance of thunderstorms
                    early in the afternoon. Chance of precipitation
                    20 percent.
Chance of thunder...10 percent.
Max temperature.....72-77.
   24 hr trend......1 degree cooler.
Min humidity........25-31 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
                    around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....43-48.
   24 hr trend......6 degrees cooler.
Max humidity........48-54 percent.
   24 hr trend......18 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
                    until 2400, then 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3400-5400 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.....75-80.
   24 hr trend......3 degrees warmer.
Min humidity........22-28 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
                    southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Warmer. Mostly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 50s. Southwest winds
around 10 mph.
.TUESDAY...Mostly clear. Slight chance of showers. Lows in the
mid 50s. Highs around 80. Southwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 51 to 56. Highs
78 to 83. Southwest winds around 15 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs around 80.

$$

WYZ285-302145-
South Bighorn Mountains-
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers early in the
                    evening. Slight chance of thunderstorms through
                    the day. Slight chance of showers early in the
                    evening. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....70-75.
   24 hr trend......4 degrees cooler.
Min humidity........36-42 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
                    40 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 25 mph.
Mixing Height.......3800-5800 ft agl.
Smoke dispersal.....Good to very good.

.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....53-58.
   24 hr trend......1 degree cooler.
Max humidity........64-70 percent.
   24 hr trend......22 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor to fair.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the afternoon. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
   24 hr trend......3 degrees cooler.
Min humidity........25-31 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
                    to around 35 mph.
Ridge top winds.....Southwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 6200-8200 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
   24 hr trend......5 degrees cooler.
Max humidity........43-49 percent.
   24 hr trend......22 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
                    until 2400, then 15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....71-76.
   24 hr trend......3 degrees warmer.
Min humidity........14-20 percent.
   24 hr trend......11 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.......1400-3400 ft agl until 1200, then 5400-7400 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
                    good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southwest
winds around 10 mph.
.TUESDAY...Mostly clear with slight chance of showers. Lows in
the mid 50s. Highs in the lower 70s. Southwest winds around
15 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 70s. Southwest winds 15 to 20 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the mid 50s.
Highs 73 to 78.

$$

WYZ281-302145-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms through the day. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....75-80.
   24 hr trend......3 degrees cooler.
Min humidity........37-43 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
                    35 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......5600-7600 ft agl.
Smoke dispersal.....Very good.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of thunderstorms early in the
                    evening. Some thunderstorms may be severe.
                    Chance of thunderstorms 20 percent.
Chance of thunder...10 percent.
Min temperature.....55-60.
   24 hr trend......2 degrees cooler.
Max humidity........68-74 percent.
   24 hr trend......6 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph until 2400, then
                    southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
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.
                    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......3 degrees cooler.
Min humidity........30-36 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
                    west around 20 mph. Gusts up to 35 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then very good to
                    excellent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....48-53.
   24 hr trend......7 degrees cooler.
Max humidity........65-71 percent.
   24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
                    around 25 mph until 2400, 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 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.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
   24 hr trend......3 degrees warmer.
Min humidity........15-21 percent.
   24 hr trend......15 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
                    around 10 mph until 1500, then northwest. Gusts
                    up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. West winds
around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers. Lows in
the upper 50s. Highs in the lower 80s. Southwest winds around
10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 54 to 59. Highs
in the mid 80s. Southwest winds 10 to 15 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.

$$

WYZ282-302145-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
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.
Max temperature.....72-77.
   24 hr trend......2 degrees cooler.
Min humidity........37-43 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......3800-5400 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....51-56.
   24 hr trend......2 degrees cooler.
Max humidity........68-74 percent.
   24 hr trend......22 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph until 2400, then
                    south around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers early
                    in the morning. Slight chance of showers in the
                    late morning and early afternoon. Slight chance
                    of thunderstorms early in the afternoon. Chance
                    of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....70-75.
   24 hr trend......1 degree cooler.
Min humidity........25-31 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
                    west. Gusts up to 30 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.......1400-3400 ft agl until 1200, then 6400-8400 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.....46-51.
   24 hr trend......6 degrees cooler.
Max humidity........46-52 percent.
   24 hr trend......21 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph with gusts to around
                    25 mph until 2400, then downslope/downvalley
                    4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 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.
Chance of thunder...0 percent.
Max temperature.....73-78.
   24 hr trend......3 degrees warmer.
Min humidity........15-21 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
                    northeast around 10 mph with higher gusts.
Ridge top winds.....South around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4600-6600 ft
                    agl.
Smoke dispersal.....Poor to fair.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 55 to 60. Highs
81 to 86. South winds 10 to 15 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.

$$

WYZ275-302145-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........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.
Max temperature.....67-72.
   24 hr trend......1 degree warmer.
Min humidity........42-48 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.10 percent.
Transport winds.....West around 15 mph.
Mixing Height.......3800-5400 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...10 percent.
Min temperature.....50-55.
   24 hr trend......3 degrees cooler.
Max humidity........70-76 percent.
   24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast winds around 10 mph until 2100, then
                    downslope/downvalley 4-7 mph. Gusts up to 15
                    mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of showers through the day. Slight
                    chance of thunderstorms in the afternoon.
                    Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....66-71.
   24 hr trend......1 degree cooler.
Min humidity........28-34 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
                    west. Gusts up to 25 mph.
Ridge top winds.....South around 15 mph until 1200, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1400-3400 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.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
   24 hr trend......7 degrees cooler.
Max humidity........47-53 percent.
   24 hr trend......20 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
                    around 25 mph until 2400, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 2400, then 400 ft agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....70-75.
   24 hr trend......3 degrees warmer.
Min humidity........14-20 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 4200-6200 ft
                    agl.
Smoke dispersal.....Poor to fair.


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

$$

WYZ276-302145-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........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...40 percent.
Max temperature.....69-74.
   24 hr trend......3 degrees warmer.
Min humidity........39-45 percent.
   24 hr trend......1 percent wetter.
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.......4600-5200 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly 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 cooler.
Max humidity........62-68 percent.
   24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
                    morning. Slight chance of thunderstorms late in
                    the morning. Chance of precipitation 20
                    percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
   24 hr trend......1 degree cooler.
Min humidity........23-29 percent.
   24 hr trend......16 percent drier.
20-foot winds.......West winds 10 to 15 mph until 1200, then around
                    20 mph. Gusts up to 35 mph.
Ridge top winds.....West around 15 mph until 1200, then around 25
                    mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6800-8800 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....46-51.
   24 hr trend......6 degrees cooler.
Max humidity........37-43 percent.
   24 hr trend......25 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
                    until 2400, then 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
   24 hr trend......4 degrees warmer.
Min humidity........23-29 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty until
                    0900, then upslope/upvalley 5-9 mph until 1200,
                    then southeast 10 to 15 mph with gusts to
                    around 25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
                    southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5400-7400 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 51 to 56. Highs in the upper 70s.
Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper
70s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.

$$

WYZ287-302145-
Owl Creek Mountains-
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
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.
Max temperature.....68-73.
   24 hr trend......2 degrees cooler.
Min humidity........40-46 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
                    25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 20 mph.
Mixing Height.......4400-5200 ft agl.
Smoke dispersal.....Good.

.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....52-57.
   24 hr trend......1 degree cooler.
Max humidity........54-60 percent.
   24 hr trend......30 percent drier.
Humidity recovery...Moderate.
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.....Southwest around 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of showers late in the morning.
                    Slight chance of thunderstorms early in the
                    afternoon. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....67-72.
   24 hr trend......1 degree cooler.
Min humidity........22-28 percent.
   24 hr trend......17 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
                    west around 20 mph. Gusts up to 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7000-9000 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....46-51.
   24 hr trend......5 degrees cooler.
Max humidity........34-40 percent.
   24 hr trend......23 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
                    until 2400, then 20 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....70-75.
   24 hr trend......3 degrees warmer.
Min humidity........19-25 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest winds around 10 mph until 0900, then
                    upslope/upvalley 5-9 mph until 1200, then south
                    around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southwest
winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 70s.
Southwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the mid 50s.
Highs 73 to 78. Southwest winds around 15 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.

$$

WYZ286-302145-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Some thunderstorms may produce
                    heavy rainfall. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....60-65.
   24 hr trend......1 degree warmer.
Min humidity........51-57 percent.
   24 hr trend......6 percent drier.
20-foot winds.......West winds around 15 mph with gusts to around
                    25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.20 percent.
Transport winds.....West around 20 mph.
Mixing Height.......4000-4600 ft agl.
Smoke dispersal.....Good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of showers in the evening. Slight
                    chance of thunderstorms through the night.
                    Chance of showers after midnight. Some
                    thunderstorms may produce heavy rainfall.
                    Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....44-49.
   24 hr trend......3 degrees cooler.
Max humidity........74-80 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Excellent.
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 until 2400, then 10 percent.
Transport winds.....West around 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Showers likely and slight chance
                    of thunderstorms in the morning. Slight chance
                    of showers and thunderstorms in the afternoon.
                    Some thunderstorms may produce heavy rainfall
                    in the morning. Chance of precipitation 70
                    percent.
Chance of thunder...20 percent.
Max temperature.....59-64.
   24 hr trend......2 degrees cooler.
Min humidity........28-34 percent.
   24 hr trend......18 percent drier.
20-foot winds.......Breezy. West winds 15 to 20 mph until 1200,
                    then around 25 mph. Gusts up to 40 mph.
Ridge top winds.....West around 20 mph until 1200, then around 30
                    mph.
Chc of wetting rain.25 percent until 1200, then zero percent.
Transport winds.....West around 25 mph until 1200, then around 35
                    mph.
Mixing Height.......1800-3800 ft agl until 1200, then 5200-7200 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....39-44.
   24 hr trend......5 degrees cooler.
Max humidity........48-54 percent.
   24 hr trend......33 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 15 to 20 mph. Gusts up to 35 mph
                    until 2400, then 25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
   24 hr trend......7 degrees warmer.
Min humidity........24-30 percent.
   24 hr trend......4 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
                    mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s. West
winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the mid 40s. Highs in the mid
60s. Southwest winds 10 to 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 60s.

$$

WYZ140-302145-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms. Some thunderstorms may produce
                    heavy rainfall. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....60-65.
   24 hr trend......4 degrees warmer.
Min humidity........59-65 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Southwest winds around 15 mph with gusts to
                    around 25 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.40 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......3200-4000 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of showers in the evening. Chance of
                    thunderstorms through the night. Showers likely
                    after midnight. Some thunderstorms may produce
                    heavy rainfall early in the evening. Some
                    thunderstorms may produce heavy rainfall in the
                    evening, then some thunderstorms may produce
                    heavy rainfall after midnight. Chance of
                    precipitation 70 percent.
Chance of thunder...30 percent.
Min temperature.....38-43.
   24 hr trend......4 degrees cooler.
Max humidity........84-90 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.10 percent until 2400, then 50 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Showers and chance of
                    thunderstorms in the morning, then slight
                    chance of showers and thunderstorms in the
                    afternoon. Some thunderstorms may produce heavy
                    rainfall in the morning. Chance of
                    precipitation 90 percent.
Chance of thunder...40 percent.
Max temperature.....58-63.
   24 hr trend......2 degrees cooler.
Min humidity........39-45 percent.
   24 hr trend......24 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
                    around 20 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.50 percent until 1200, then 5 percent.
Transport winds.....Southwest around 20 mph until 1200, then around
                    30 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5000-7000 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
                    excellent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....33-38.
   24 hr trend......6 degrees cooler.
Max humidity........62-68 percent.
   24 hr trend......31 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
                    around 30 mph until 2400, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 2400, then around
                    10 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....65-70.
   24 hr trend......7 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4800-6800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
                    good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of showers after midnight.
Lows around 40. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows around 40. Highs in the mid 60s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
South winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
South winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows around 40. Highs in the mid 60s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 60s.

$$

WYZ415-302145-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
131 PM MDT Sat Aug 29 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.
                    Some thunderstorms may produce heavy rainfall.
                    Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....58-63.
   24 hr trend......Unchanged.
Min humidity........69-75 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher
                    gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.50 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......3200-3600 ft agl.
Smoke dispersal.....Fair.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of showers early in the evening.
                    Slight chance of thunderstorms through the
                    night. Chance of showers in the late evening
                    and overnight. Some thunderstorms may produce
                    heavy rainfall. Chance of precipitation 50
                    percent.
Chance of thunder...20 percent.
Min temperature.....38-43.
   24 hr trend......4 degrees cooler.
Max humidity........87-93 percent.
   24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph with gusts to around
                    15 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.5 percent until 2400, then 40 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Showers likely and chance of thunderstorms in
                    the morning, then slight chance of showers and
                    thunderstorms in the afternoon. Some
                    thunderstorms may produce heavy rainfall early
                    in the morning. Some thunderstorms may produce
                    heavy rainfall late in the morning. Chance of
                    precipitation 70 percent.
Chance of thunder...30 percent.
Max temperature.....58-63.
   24 hr trend......Unchanged.
Min humidity........40-46 percent.
   24 hr trend......31 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.40 percent until 1200, then zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5000-7000 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.....33-38.
   24 hr trend......6 degrees cooler.
Max humidity........70-76 percent.
   24 hr trend......32 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph with gusts to
                    around 25 mph until 2100, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
   24 hr trend......6 degrees warmer.
Min humidity........40-46 percent.
   24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then around
                    20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
                    good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers and slight
chance of thunderstorms after midnight. Lows in the lower 40s.
Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
South winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 40. Highs in the mid 60s. South winds
around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the mid 60s.

$$

WYZ416-302145-
West Wind River Mountains/East Zone Bridger Teton NF-
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers likely early in the
                    evening. Chance of thunderstorms through the
                    day. Chance of showers early in the evening.
                    Some thunderstorms may produce heavy rainfall.
                    Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....55-60.
   24 hr trend......7 degrees cooler.
Min humidity........65-71 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Southwest winds around 15 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.65 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......2400-3000 ft agl.
Smoke dispersal.....Poor to fair.

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers in the
                    evening. Slight chance of thunderstorms through
                    the night. Showers likely after midnight. Some
                    thunderstorms may produce heavy rainfall.
                    Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....39-44.
   24 hr trend......4 degrees cooler.
Max humidity........90-96 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph. Gusts up to 25
                    mph until 2400, then 15 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.10 percent until 2400, then 20 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......800-2800 ft agl until 2400, then 600-800 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Showers likely and slight chance of
                    thunderstorms in the morning, then chance of
                    showers and thunderstorms in the afternoon.
                    Some thunderstorms may produce heavy rainfall
                    in the morning. Chance of precipitation 70
                    percent.
Chance of thunder...30 percent.
Max temperature.....56-61.
   24 hr trend......Unchanged.
Min humidity........44-50 percent.
   24 hr trend......23 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
                    west around 20 mph. Gusts up to 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.45 percent until 1200, then 15 percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4000-6000 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.....35-40.
   24 hr trend......4 degrees cooler.
Max humidity........64-70 percent.
   24 hr trend......37 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
                    mph until 2400, then downslope/downvalley 4-7
                    mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2000-4000 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.....59-64.
   24 hr trend......4 degrees warmer.
Min humidity........39-45 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
                    southwest around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5200-7200 ft
                    agl.
Smoke dispersal.....Fair to good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then showers likely and
slight chance of thunderstorms after midnight. Lows in the lower
40s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 40s. Highs around 60. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the lower 60s.

$$

WYZ288-302145-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms early in
                    the evening. Some thunderstorms may produce
                    heavy rainfall. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....61-66.
   24 hr trend......7 degrees cooler.
Min humidity........56-62 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
                    40 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.35 percent.
Transport winds.....West around 30 mph.
Mixing Height.......3000-4000 ft agl.
Smoke dispersal.....Good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of showers and slight chance of
                    thunderstorms. Some thunderstorms may produce
                    heavy rainfall early in the evening. Some
                    thunderstorms may produce heavy rainfall after
                    midnight. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....44-49.
   24 hr trend......2 degrees cooler.
Max humidity........76-82 percent.
   24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor to fair.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    in the morning. Chance of showers through the
                    day. Slight chance of thunderstorms in the
                    afternoon. Some thunderstorms may produce heavy
                    rainfall in the morning. Chance of
                    precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....61-66.
   24 hr trend......1 degree cooler.
Min humidity........39-45 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
                    to around 40 mph.
Ridge top winds.....Southwest 25 to 30 mph.
Chc of wetting rain.7 percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 4800-6600 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then very good to
                    excellent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....40-45.
   24 hr trend......4 degrees cooler.
Max humidity........48-54 percent.
   24 hr trend......32 percent drier.
Humidity recovery...Moderate.
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.......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.....64-69.
   24 hr trend......4 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......6 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
                    mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6400-8400 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then very good.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. Southwest winds
around 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
Southwest winds around 15 mph.
.WEDNESDAY...Mostly clear with chance of showers and slight
chance of thunderstorms. Lows in the mid 40s. Highs in the mid
60s. Southwest winds around 15 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s.
Southwest winds around 15 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 60s.

$$

WYZ414-302145-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms early in
                    the evening. Some thunderstorms may produce
                    heavy rainfall. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....58-63.
   24 hr trend......7 degrees cooler.
Min humidity........64-70 percent.
   24 hr trend......16 percent wetter.
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.45 percent.
Transport winds.....West around 15 mph.
Mixing Height.......3000-3800 ft agl.
Smoke dispersal.....Fair.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of showers and slight chance of
                    thunderstorms. Some thunderstorms may produce
                    heavy rainfall. Chance of precipitation 50
                    percent.
Chance of thunder...20 percent.
Min temperature.....38-43.
   24 hr trend......4 degrees cooler.
Max humidity........88-94 percent.
   24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph with gusts to around
                    15 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.5 percent until 2400, then 25 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Chance of thunderstorms in the
                    morning. Chance of showers through the day.
                    Chance of thunderstorms in the afternoon. Some
                    thunderstorms may produce heavy rainfall in the
                    morning. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....58-63.
   24 hr trend......1 degree warmer.
Min humidity........39-45 percent.
   24 hr trend......22 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
                    west. Gusts up to 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.35 percent until 1200, then 5 percent.
Transport winds.....Southwest around 15 mph until 1200, then west
                    around 25 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4600-6600 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
                    good.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....35-40.
   24 hr trend......4 degrees cooler.
Max humidity........72-78 percent.
   24 hr trend......31 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
                    25 mph until 2100, then downslope/downvalley
                    4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then south.
Mixing Height.......2000-4000 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then poor.

.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Slight chance of showers and thunderstorms in
                    the afternoon. Chance of precipitation 20
                    percent.
Chance of thunder...10 percent.
Max temperature.....63-68.
   24 hr trend......5 degrees warmer.
Min humidity........38-44 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6000-8000 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.


.Forecast days 3 through 7......
.MONDAY THROUGH TUESDAY...Partly cloudy with chance of showers
and slight chance of thunderstorms. Lows in the mid 40s. Highs in
the mid 60s. South winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the mid
60s. South winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. South
winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the mid 60s.

$$

WYZ278-302145-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms early in
                    the evening. Some thunderstorms may be severe
                    with heavy rainfall. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....62-67.
   24 hr trend......10 degrees cooler.
Min humidity........53-59 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
                    30 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.45 percent.
Transport winds.....West around 20 mph.
Mixing Height.......3000-4200 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of showers. Slight chance of
                    thunderstorms through the night. Chance of
                    showers early in the morning. Some
                    thunderstorms may be severe with heavy rainfall
                    early in the evening. Some thunderstorms may
                    produce heavy rainfall in the late evening and
                    overnight. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....41-46.
   24 hr trend......5 degrees cooler.
Max humidity........88-94 percent.
   24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds 10 to 15 mph with gusts to around
                    25 mph until 2400, then around 10 mph with
                    gusts to around 15 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 600-1000 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    in the morning. Chance of showers through the
                    day. Chance of thunderstorms in the afternoon.
                    Some thunderstorms may produce heavy rainfall
                    in the morning. Chance of precipitation 50
                    percent.
Chance of thunder...30 percent.
Max temperature.....62-67.
   24 hr trend......Unchanged.
Min humidity........36-42 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1500, then
                    west. Gusts up to 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.15 percent until 1200, then 5 percent.
Transport winds.....Southwest around 15 mph until 1200, then west
                    around 25 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5000-7000 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.....37-42.
   24 hr trend......5 degrees cooler.
Max humidity........73-79 percent.
   24 hr trend......12 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
                    25 mph until 2100, then downslope/downvalley
                    4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then 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.....64-69.
   24 hr trend......3 degrees warmer.
Min humidity........37-43 percent.
   24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
                    southwest around 10 mph. Gusts up to 20 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.......1200-3200 ft agl until 1200, then 5400-7400 ft
                    agl.
Smoke dispersal.....Poor to fair.


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

$$

WYZ277-302145-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
                    thunderstorms early in the evening, then slight
                    chance of showers and thunderstorms early in
                    the evening. Some thunderstorms may be severe
                    with heavy rainfall. Chance of precipitation 50
                    percent.
Chance of thunder...40 percent.
Max temperature.....63-68.
   24 hr trend......10 degrees cooler.
Min humidity........50-56 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......Southwest winds around 15 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.50 percent.
Transport winds.....West around 20 mph.
Mixing Height.......2800-3800 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of showers until early morning.
                    Slight chance of thunderstorms through the
                    night. Chance of showers early in the morning.
                    Some thunderstorms may be severe with heavy
                    rainfall early in the evening. Some
                    thunderstorms may produce heavy rainfall in the
                    late evening and overnight. Chance of
                    precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....43-48.
   24 hr trend......5 degrees cooler.
Max humidity........89-95 percent.
   24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
                    chance of thunderstorms in the morning. Slight
                    chance of showers and thunderstorms in the
                    afternoon. Some thunderstorms may produce heavy
                    rainfall in the morning. Chance of
                    precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
   24 hr trend......Unchanged.
Min humidity........41-47 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
                    around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5000-6800 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.....39-44.
   24 hr trend......4 degrees cooler.
Max humidity........77-83 percent.
   24 hr trend......14 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 15 mph until 2400, then southwest.
Mixing Height.......2200-4200 ft agl until 2400, then 400-600 ft
                    agl.
Smoke dispersal.....Fair to good until 2400, then 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.....66-71.
   24 hr trend......2 degrees warmer.
Min humidity........41-47 percent.
   24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
                    southwest around 10 mph with higher gusts.
Ridge top winds.....East around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5800-7800 ft
                    agl.
Smoke dispersal.....Poor until 1200, then good.


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

$$

WYZ279-302145-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers and chance of
                    thunderstorms. Some thunderstorms may be
                    severe. Chance of precipitation near 100
                    percent.
Chance of thunder...50 percent.
Max temperature.....70-75.
   24 hr trend......7 degrees cooler.
Min humidity........49-55 percent.
   24 hr trend......24 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
                    35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.60 percent.
Transport winds.....West around 25 mph.
Mixing Height.......2400-4000 ft agl.
Smoke dispersal.....Fair to good.

.TONIGHT...
Sky/weather.........Mostly cloudy. Showers likely and chance of
                    thunderstorms in the evening, then chance of
                    showers and slight chance of thunderstorms
                    after midnight. Some thunderstorms may be
                    severe early in the evening. Chance of
                    precipitation 70 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
   24 hr trend......4 degrees cooler.
Max humidity........88-94 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds around 15 mph with gusts to around
                    25 mph.
Ridge top winds.....South around 20 mph.
Chc of wetting rain.35 percent until 2400, then 15 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......800-2800 ft agl until 2400, then 600-800 ft
                    agl.
Smoke dispersal.....Poor.

.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of thunderstorms in the morning.
                    Chance of showers through the day. Chance of
                    thunderstorms in the afternoon. Chance of
                    precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....64-69.
   24 hr trend......4 degrees cooler.
Min humidity........59-65 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
                    west 15 to 20 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.12 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3600-5600 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good.

.SUNDAY 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.....45-50.
   24 hr trend......3 degrees cooler.
Max humidity........86-92 percent.
   24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty until
                    2400, then downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-3200 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.....67-72.
   24 hr trend......3 degrees warmer.
Min humidity........54-60 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5600-7600 ft
                    agl.
Smoke dispersal.....Poor until 1200, then 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. South winds around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 40s. Highs in the mid 70s. Southwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows around 50. Highs in the upper
70s.

$$

WYZ289-302145-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
                    thunderstorms. Some thunderstorms may be
                    severe. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....73-78.
   24 hr trend......7 degrees cooler.
Min humidity........41-47 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......Breezy. Southwest winds around 25 mph with
                    gusts to around 45 mph.
Ridge top winds.....Southwest around 30 mph.
Chc of wetting rain.30 percent.
Transport winds.....West around 30 mph.
Mixing Height.......3200-5000 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
                    and thunderstorms early in the morning. Some
                    thunderstorms may be severe early in the
                    evening. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....51-56.
   24 hr trend......4 degrees cooler.
Max humidity........78-84 percent.
   24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 20 mph with gusts to
                    around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600-800 ft
                    agl.
Smoke dispersal.....Poor to fair.

.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers early in the
                    morning. Slight chance of showers early in the
                    morning. Slight chance of showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
   24 hr trend......2 degrees cooler.
Min humidity........35-41 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
                    to around 40 mph.
Ridge top winds.....Southwest 25 to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5200-7200 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then very good to
                    excellent.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....47-52.
   24 hr trend......4 degrees cooler.
Max humidity........67-73 percent.
   24 hr trend......13 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 20 mph with gusts to around
                    35 mph until 2100, then southwest around 10 mph
                    with gusts to around 35 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......2600-4600 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.....72-77.
   24 hr trend......3 degrees warmer.
Min humidity........28-34 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......1800-3800 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 chance of showers
after midnight. Lows in the lower 50s. Southwest winds around
10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 50s. Highs in the mid 70s. Southwest winds around 15 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the mid 70s. Southwest
winds around 15 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. Southwest winds around 15 mph.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.

$$

WYZ300-302145-
Casper Mountain-
131 PM MDT Sat Aug 29 2026

.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers likely early in the
                    evening. Chance of thunderstorms through the
                    day. Chance of showers early in the evening.
                    Some thunderstorms may be severe. Chance of
                    precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....74-79.
   24 hr trend......3 degrees cooler.
Min humidity........38-44 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
                    around 40 mph.
Ridge top winds.....West around 30 mph.
Chc of wetting rain.35 percent.
Transport winds.....West around 35 mph.
Mixing Height.......4400-6400 ft agl.
Smoke dispersal.....Very good to excellent.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms early in the evening. Some
                    thunderstorms may be severe. Chance of
                    precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....54-59.
   24 hr trend......3 degrees cooler.
Max humidity........72-78 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
                    around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......800-2800 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Poor to fair.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers early
                    in the morning. Slight chance of showers and
                    thunderstorms early in the afternoon. Slight
                    chance of showers and thunderstorms late in the
                    afternoon. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....70-75.
   24 hr trend......5 degrees cooler.
Min humidity........32-38 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
                    to around 40 mph.
Ridge top winds.....Southwest 25 to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 30 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5400-7200 ft
                    agl.
Smoke dispersal.....Fair to good until 1200, then excellent.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....51-56.
   24 hr trend......3 degrees cooler.
Max humidity........68-74 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 15 to 20 mph until 2400, then
                    around 10 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 600 ft agl.
Smoke dispersal.....Good until 2400, then poor.

.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....72-77.
   24 hr trend......3 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
                    around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7200-9000 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 mid 50s. Southwest winds around
10 mph.
.TUESDAY...Partly cloudy with chance of showers. Lows in the mid
50s. Highs in the lower 70s. Southwest winds around 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Southwest winds around 15 mph.
.THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Southwest winds around 15 mph.
.FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.

$$