Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
504
FNUS55 KRIW 112030
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
230 PM MDT Sat Oct 11 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Showers and isolated thunderstorms continue across the dispatch area
this afternoon and evening ahead of potent cold front. Locally heavy
rain with isolated flash flood potential is the main threat. The
cold front passes across the dispatch area between 1800L and 2200L
with rain transitioning to snow across elevations above 5500ft.
Gusty 20 to 40 mph winds are expected along and behind the cold
front, with higher terrain areas seeing gusts around 50 mph. More
isolated and light high elevation snow and low elevation rain
overnight and Sunday. Gusty 20 to 40 mph west winds on Sunday.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
***FREEZE WATCH FOR ZONES 275 and 282 IN EFFECT FROM LATE SUNDAY
NIGHT THROUGH MONDAY MORNING***
The greatest shower and thunderstorm chances this afternoon exist
mainly across Zones 285, 286, 288, and 289 ahead of a cold front.
Locally heavy rain is possible with any persistent shower. Shower and
storm chances shift east across the dispatch area with the cold
front after sunset tonight. 25 to 30 mph gusts are expected through
the afternoon with gusts increasing to 35 to 50 mph with and behind
a cold front tonight. Gusty westerly winds 25 to 40 mph on Sunday
with relative humidity values dropping between 20 and 50 percent by
the afternoon. Isolated showers across higher terrain Sunday morning.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
***FREEZE WATCH FOR ZONE 281 IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH MONDAY MORNING***
Outside of a lull in shower activity across Zones 280, 281, and 300
between 1700L today and 0100L, shower and isolated thunderstorm
chances exist across the dispatch area through Sunday morning. Zones
277, 278, and 279 have the greatest chance (40 percent) through
2300L. Locally heavy rain and isolated flash flood potential is the
main threat. 25 to 40 mph gusts are expected through the afternoon
with gusts increasing to 35 to 50 mph with and behind a cold front
tonight. Gusty westerly winds 25 to 50 mph on Sunday with relative
humidity values dropping between 20 and 50 percent by the afternoon.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-122230-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Partly 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 40 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......1 degree cooler.
Min humidity........58-64 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Breezy. Southwest winds around 25 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.......2800-3600 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers after
midnight. Slight chance of showers after
midnight. Chance of showers 40 percent.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......11 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
to around 40 mph.
Ridge top winds.....Southwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing Height.......600-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny. Slight chance of showers early in
the morning. Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......10 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......37 percent drier.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
around 45 mph.
Ridge top winds.....West around 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 6200-7600 ft
agl.
Smoke dispersal.....Good to very good until 1200, then very good to
excellent.
.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......12 degrees cooler.
Max humidity........70-76 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph until 2400, then east and gusty.
Ridge top winds.....Southwest around 15 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 2400, then south.
Mixing Height.......1200-3200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....56-61.
24 hr trend......3 degrees warmer.
Min humidity........30-36 percent.
24 hr trend......8 percent wetter.
20-foot winds.......East winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2200-4200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers after
midnight. Lows in the upper 30s. East winds around 10 mph.
.TUESDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows around 40. Highs in the upper 60s. Southeast
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the mid
60s. South winds around 10 mph.
.THURSDAY...Cooler. Partly cloudy with chance of showers. Lows in
the lower 30s. Highs in the lower 50s. West winds around 15 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows in the lower 30s. Highs in the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then slight chance of showers in the
afternoon. Highs in the lower 50s.
$$
WYZ283-122230-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Partly 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 produce heavy
rainfall. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......2 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......12 percent wetter.
20-foot winds.......South winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....South around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......3600-5000 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....33-38.
24 hr trend......11 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 35 mph until 2400, then west with gusts
to around 45 mph.
Ridge top winds.....Southwest around 20 mph until 2400, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 20 mph until 2400, then west.
Mixing Height.......600-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......12 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......26 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 40
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 5600-7400 ft
agl.
Smoke dispersal.....Good to very good.
.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......7 degrees cooler.
Max humidity........68-74 percent.
24 hr trend......1 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph until 0300, then
east. Gusts up to 25 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.......1400-3400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......Unchanged.
Min humidity........42-48 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then east
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2200-4200 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers in the
evening, then chance of showers after midnight. Lows in the mid
30s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear with slight chance of showers. Lows in
the upper 30s. Highs in the lower 60s. Winds generally less than
10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the mid 30s. Highs in the lower
60s. Southwest winds around 10 mph.
.THURSDAY...Cooler. Partly cloudy with chance of showers and
slight chance of snow showers. Lows in the lower 30s. Highs in
the lower 50s. West winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows around 30. Highs in the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then slight chance of showers in the
afternoon. Highs in the lower 50s.
$$
WYZ285-122230-
South Bighorn Mountains-
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Showers likely and slight chance
of thunderstorms. Chance of precipitation 40
percent.
Chance of thunder...20 percent.
Max temperature.....59-64.
24 hr trend......2 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......16 percent wetter.
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.......2400-3400 ft agl.
Smoke dispersal.....Fair to 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 and snow showers after
midnight. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....32-37.
24 hr trend......14 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
to around 50 mph until 0300, then west with
gusts to around 50 mph.
Ridge top winds.....Southwest 25 to 30 mph.
Chc of wetting rain.Zero percent until 2400, then 25 percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Showers likely and chance of snow showers in
the morning. Snow accumulation up to 2 inches.
Chance of precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......14 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......22 percent drier.
20-foot winds.......Breezy. West winds 20 to 25 mph until 1500,
then around 15 mph. Gusts up to 40 mph.
Ridge top winds.....West 25 to 30 mph.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Good.
.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......5 degrees cooler.
Max humidity........66-72 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph until 2100, then
southeast. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......2 degrees warmer.
Min humidity........38-44 percent.
24 hr trend......5 percent wetter.
20-foot winds.......East winds around 10 mph with higher gusts.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers after
midnight. Lows in the mid 30s. Northeast winds around 10 mph.
.TUESDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows around 40. Highs in the upper 50s. South
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers with possible
snow showers and thunderstorms likely. Lows in the mid 30s. Highs
in the upper 50s. Southwest winds around 15 mph.
.THURSDAY...Colder. Partly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the mid 40s. West winds
around 15 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of snow
showers and showers. Lows around 30. Highs in the mid 40s.
$$
WYZ281-122230-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
230 PM MDT Sat Oct 11 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.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 40 percent.
Chance of thunder...10 percent.
Max temperature.....69-74.
24 hr trend......2 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......7 percent wetter.
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.......3400-5400 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms after midnight. Chance
of precipitation 50 percent.
Chance of thunder...10 percent.
Min temperature.....37-42.
24 hr trend......12 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 40 mph until 0300, then northwest with
gusts to around 40 mph.
Ridge top winds.....Southwest around 20 mph until 2400, then west.
Chc of wetting rain.Zero percent until 2400, then 15 percent.
Transport winds.....Southwest around 20 mph until 2400, then west.
Mixing Height.......600-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of showers early in the morning, then
slight chance of showers late in the morning.
Chance of showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......16 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......3 percent drier.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Good.
.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......11 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, 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.....North around 15 mph until 2400, then southeast.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......Unchanged.
Min humidity........36-42 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then east
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 30s. Northeast
winds around 10 mph.
.TUESDAY...Warmer. Mostly clear. Lows around 40. Highs in the mid
60s. Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the mid 60s.
Southwest winds around 10 mph.
.THURSDAY...Cooler. Partly cloudy. Chance of showers. Lows in the
mid 30s. Highs in the lower 50s. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers. Lows in the lower
30s. Highs in the mid 50s.
.SATURDAY...Partly cloudy. Chance of snow showers and slight
chance of showers in the morning, then slight chance of showers
in the afternoon. Highs in the lower 50s.
$$
WYZ282-122230-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
230 PM MDT Sat Oct 11 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Partly 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 30 percent.
Chance of thunder...10 percent.
Max temperature.....63-68.
24 hr trend......3 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......12 percent wetter.
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.Zero percent.
Transport winds.....South around 20 mph.
Mixing Height.......3200-5000 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers in the evening. Slight chance
of thunderstorms through the night. Showers
likely after midnight. Chance of precipitation
70 percent.
Chance of thunder...20 percent.
Min temperature.....33-38.
24 hr trend......10 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds 10 to 15 mph until 2400, then
northwest. Gusts up to 30 mph.
Ridge top winds.....South around 15 mph until 2400, then northwest.
Chc of wetting rain.10 percent until 2400, then 25 percent.
Transport winds.....South around 20 mph until 2400, then northwest.
Mixing Height.......600-1600 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of showers early in the morning. Slight
chance of showers early in the morning. Chance
of showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......14 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......12 percent drier.
20-foot winds.......West winds around 10 mph. Gusts up to 30 mph
until 1200, then 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Fair to good.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......9 degrees cooler.
Max humidity........68-74 percent.
24 hr trend......8 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......4 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers after
midnight. Lows in the lower 30s. Winds generally less than
10 mph.
.TUESDAY...Mostly clear with slight chance of showers. Lows in
the mid 30s. Highs around 60. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the mid 30s. Highs in the lower 60s.
Northwest winds around 10 mph.
.THURSDAY...Cooler. Mostly cloudy. Chance of showers. Lows in the
lower 30s. Highs in the lower 50s. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows in the lower 30s. Highs in the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then slight chance of showers in the
afternoon. Highs in the lower 50s.
$$
WYZ275-122230-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
230 PM MDT Sat Oct 11 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.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.....63-68.
24 hr trend......1 degree cooler.
Min humidity........43-49 percent.
24 hr trend......7 percent wetter.
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.10 percent.
Transport winds.....South around 20 mph.
Mixing Height.......3400-5400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of thunderstorms in the
evening. Showers through the night. Slight
chance of thunderstorms after midnight. Chance
of precipitation near 100 percent.
Chance of thunder...30 percent.
Min temperature.....31-36.
24 hr trend......9 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph with gusts to around
25 mph until 2100, then northwest with gusts to
around 25 mph until 2400, then 15 to 20 mph
with gusts to around 35 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then
northwest around 25 mph.
Chc of wetting rain.55 percent until 2400, then 45 percent.
Transport winds.....Northeast around 15 mph until 2400, then
northwest.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers and snow
showers in the morning. Slight chance of
showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......16 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......3 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.Less than 5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 4800-6800 ft
agl.
Smoke dispersal.....Fair to good.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......9 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
north around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then northeast.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......6 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. Northwest
winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 30s. Highs in the mid 50s. Winds generally less than
10 mph.
.WEDNESDAY...Partly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the mid 30s. Highs in the upper 50s.
Northwest winds around 10 mph.
.THURSDAY...Mostly cloudy. Chance of showers. Lows in the lower
30s. Highs around 50. West winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows in the lower 30s. Highs in the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then slight chance of showers in the
afternoon. Highs in the lower 50s.
$$
WYZ276-122230-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers likely early in the
evening. Slight chance of thunderstorms through
the day. Chance of showers early in the
evening. Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Max temperature.....62-67.
24 hr trend......3 degrees cooler.
Min humidity........45-51 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.20 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......3800-5800 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers in the evening. Slight
chance of thunderstorms through the night.
Showers likely and slight chance of snow
showers after midnight. No snow accumulation.
Chance of precipitation 90 percent.
Chance of thunder...20 percent.
Min temperature.....32-37.
24 hr trend......12 degrees cooler.
Max humidity........76-82 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph until 2400, then
northwest 15 to 20 mph. Gusts up to 40 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.50 percent until 2400, then 10 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers and snow
showers in the morning. Slight chance of
showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......14 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......6 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 40
mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Good.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......8 degrees cooler.
Max humidity........69-75 percent.
24 hr trend......3 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......8 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers. Lows in the mid
30s. Highs in the lower 50s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the mid 30s. Highs in the lower 50s.
Northwest winds around 10 mph.
.THURSDAY...Mostly cloudy. Showers, snow showers likely and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the mid 40s. West winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows in the lower 30s. Highs in the upper 40s.
.SATURDAY...Partly cloudy. Chance of showers and snow showers in
the morning, then chance of snow showers and slight chance of
showers in the afternoon. Highs in the upper 40s.
$$
WYZ287-122230-
Owl Creek Mountains-
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Partly 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 40 percent.
Chance of thunder...10 percent.
Max temperature.....59-64.
24 hr trend......2 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......14 percent wetter.
20-foot winds.......South winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....South around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph.
Mixing Height.......2800-4600 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers and slight chance of
thunderstorms through the night. Slight chance
of snow showers after midnight. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....31-36.
24 hr trend......13 degrees cooler.
Max humidity........74-80 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph until 2400, then west around 20
mph with gusts to around 45 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then west
around 25 mph.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 20 mph until 2400, then west.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and snow
showers early in the morning. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......13 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......18 percent drier.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
around 45 mph until 1200, then around 15 mph
with gusts to around 30 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5000-7000 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.....27-32.
24 hr trend......5 degrees cooler.
Max humidity........62-68 percent.
24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......3 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers after
midnight. Lows in the lower 30s. North winds around 10 mph.
.TUESDAY...Mostly clear. Slight chance of showers. Lows in the
mid 30s. Highs in the mid 50s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Showers, snow showers likely and
slight chance of thunderstorms. Lows in the mid 30s. Highs in the
mid 50s. Northwest winds around 10 mph.
.THURSDAY...Cooler. Partly cloudy with chance of showers, snow
showers and slight chance of thunderstorms. Lows in the lower
30s. Highs in the mid 40s. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows in the lower 30s. Highs in the upper 40s.
.SATURDAY...Partly cloudy with slight chance of showers and snow
showers. Highs in the upper 40s.
$$
WYZ286-122230-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers early in the evening.
Chance of thunderstorms through the day.
Showers likely early in the evening. Some
thunderstorms may produce heavy rainfall.
Chance of precipitation near 100 percent.
Chance of thunder...30 percent.
Max temperature.....53-58.
24 hr trend......7 degrees cooler.
Min humidity........59-65 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Southwest winds around 15 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.45 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......2400-4400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Showers in the evening. Snow showers and slight
chance of thunderstorms through the night.
Showers likely after midnight. Snow
accumulation up to 3 inches. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....26-31.
24 hr trend......16 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph until 2400, then around
20 mph. Gusts up to 40 mph.
Ridge top winds.....West around 15 mph until 2400, then around 25
mph.
Chc of wetting rain.70 percent until 2400, then 20 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy. Snow showers likely in the
morning. Chance of snow showers in the
afternoon. Snow accumulation up to 3 inches.
Chance of snow 70 percent.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......16 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......14 percent drier.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
around 45 mph until 1500, then around 15 mph
with gusts to around 40 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.15 percent until 1200, then zero percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......2400-4400 ft agl.
Smoke dispersal.....Good.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers in
the evening. Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......3 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......17 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph until 0300, 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.......1000-3000 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......5 degrees warmer.
Min humidity........52-58 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers and snow
showers after midnight. Lows in the upper 20s. Winds generally
less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the upper 40s. Winds generally less than 10 mph.
.WEDNESDAY...Snow showers, showers likely and slight chance of
thunderstorms. Lows in the upper 20s. Highs in the mid 40s. West
winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers, showers likely and
slight chance of thunderstorms. Lows in the mid 20s. Highs in the
mid 30s. West winds around 10 mph.
.FRIDAY...Partly cloudy with chance of snow showers. Lows in the
mid 20s. Highs in the upper 30s.
.SATURDAY...Partly cloudy with chance of snow showers. Highs in
the upper 30s.
$$
WYZ140-122230-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
230 PM MDT Sat Oct 11 2025
.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...30 percent.
Max temperature.....51-56.
24 hr trend......10 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......35 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.65 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1800-2600 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers and slight chance of
thunderstorms in the evening. Snow showers
through the night. Snow accumulation of 1 to 5
inches. Chance of precipitation near 100
percent.
Chance of thunder...20 percent.
Min temperature.....24-29.
24 hr trend......16 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
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.85 percent until 2400, then 60 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Snow showers likely in the
morning, then chance of snow showers and slight
chance of thunderstorms in the afternoon. Snow
accumulation up to 4 inches. Chance of
precipitation 70 percent.
Chance of thunder...10 percent.
Max temperature.....36-41.
24 hr trend......14 degrees cooler.
Min humidity........64-70 percent.
24 hr trend......10 percent drier.
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.30 percent until 1200, then 10 percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Fair to good.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers in the evening.
Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......4 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph with gusts to around
30 mph until 0300, then downslope/downvalley
4-7 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......11 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......26 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.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers and snow
showers after midnight. Lows in the mid 20s. East winds around
10 mph.
.TUESDAY...Mostly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the mid 40s. Winds generally less than 10 mph.
.WEDNESDAY...Snow showers with possible showers and thunderstorms
likely. Lows in the mid 20s. Highs in the lower 40s. Winds
generally less than 10 mph.
.THURSDAY...Cloudy with snow showers likely and slight chance of
thunderstorms. Lows in the lower 20s. Highs in the mid 30s.
Southwest winds around 10 mph.
.FRIDAY...Mostly cloudy with chance of snow showers. Lows in the
lower 20s. Highs in the mid 30s.
.SATURDAY...Partly cloudy. Chance of snow showers in the morning,
then slight chance of snow showers in the afternoon. Highs in the
upper 30s.
$$
WYZ415-122230-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers early in the evening. Chance of
thunderstorms through the day. Showers likely
early in the evening. Some thunderstorms may
produce heavy rainfall. Chance of precipitation
near 100 percent.
Chance of thunder...40 percent.
Max temperature.....52-57.
24 hr trend......6 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......29 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.75 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1800-3200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers, snow showers and slight
chance of thunderstorms in the evening, then
snow showers likely after midnight. Snow
accumulation up to 3 inches. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....20-25.
24 hr trend......18 degrees cooler.
Max humidity........90-96 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
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.90 percent until 2400, then 20 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......800-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Snow showers likely in the
morning. Chance of snow showers and slight
chance of thunderstorms in the afternoon. Snow
accumulation up to 3 inches. Chance of
precipitation 70 percent.
Chance of thunder...10 percent.
Max temperature.....33-38.
24 hr trend......18 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......9 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.20 percent until 1200, then 5 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......2 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......16 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph until 2400, then
southeast. Gusts up to 20 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......12 degrees warmer.
Min humidity........52-58 percent.
24 hr trend......22 percent drier.
20-foot winds.......Southeast winds around 10 mph with higher
gusts.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Chance of showers and snow showers
after midnight. Lows around 30. East winds around 10 mph.
.TUESDAY...Mostly cloudy with showers likely with possible snow
showers and thunderstorms. Lows in the lower 30s. Highs in the
upper 40s. Southeast winds around 10 mph.
.WEDNESDAY...Snow showers, showers and slight chance of
thunderstorms. Lows in the upper 20s. Highs in the lower 40s.
Winds generally less than 10 mph.
.THURSDAY...Cloudy with snow showers, showers and slight chance
of thunderstorms. Lows in the mid 20s. Highs in the mid 30s.
Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy with chance of snow showers and showers.
Lows in the lower 20s. Highs in the mid 30s.
.SATURDAY...Partly cloudy with chance of snow showers. Highs in
the upper 30s.
$$
WYZ416-122230-
West Wind River Mountains/East Zone Bridger Teton NF-
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers likely early in the
evening. Chance of thunderstorms through the
day. Showers early in the evening. Some
thunderstorms may produce heavy rainfall.
Chance of precipitation near 100 percent.
Chance of thunder...40 percent.
Max temperature.....50-55.
24 hr trend......2 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......17 percent wetter.
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.55 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......2400-3400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers, snow showers and chance
of thunderstorms in the evening, then snow
showers likely after midnight. Snow
accumulation up to 2 inches. Chance of
precipitation near 100 percent.
Chance of thunder...30 percent.
Min temperature.....19-24.
24 hr trend......19 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 15 to 20 mph until 2400, then
west. Gusts up to 40 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.85 percent until 2400, then 10 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the morning,
then slight chance of snow showers in the late
morning and afternoon. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....31-36.
24 hr trend......17 degrees cooler.
Min humidity........58-64 percent.
24 hr trend......16 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......2000-4000 ft agl.
Smoke dispersal.....Fair to good.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Chance of thunder...0 percent.
Min temperature.....19-24.
24 hr trend......1 degree warmer.
Max humidity........73-79 percent.
24 hr trend......23 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph until 2400, then
southeast. Gusts up to 20 mph.
Ridge top winds.....South around 15 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......800-2800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......11 degrees warmer.
Min humidity........50-56 percent.
24 hr trend......12 percent drier.
20-foot winds.......Southeast winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Chance of showers, snow showers
and slight chance of thunderstorms after midnight. Lows around
30. East winds around 10 mph.
.TUESDAY...Partly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the upper 40s. Southeast winds around 10 mph.
.WEDNESDAY...Snow showers, showers likely and slight chance of
thunderstorms. Lows in the mid 20s. Highs in the lower 40s.
Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers likely. Lows in the
lower 20s. Highs in the mid 30s. West winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows in the
lower 20s. Highs in the mid 30s.
.SATURDAY...Partly cloudy. Chance of snow showers in the morning,
then slight chance of snow showers in the afternoon. Highs in the
upper 30s.
$$
WYZ288-122230-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........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.
Max temperature.....53-58.
24 hr trend......2 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Southwest winds around 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 25 mph.
Chc of wetting rain.25 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......3000-4400 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Showers, snow showers and slight chance of
thunderstorms in the evening, then chance of
snow showers and showers after midnight. Snow
accumulation up to 1 inch. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....23-28.
24 hr trend......17 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Windy. Southwest winds 15 to 20 mph with gusts
to around 40 mph until 2400, then west 25 to 30
mph with gusts to around 50 mph.
Ridge top winds.....Southwest 25 to 30 mph.
Chc of wetting rain.70 percent until 2400, then 5 percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Partly cloudy. Chance of snow showers early in
the morning. Slight chance of snow showers in
the late morning and afternoon. Chance of snow
50 percent.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......16 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......17 percent drier.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
around 45 mph.
Ridge top winds.....West 25 to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Good.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......1 degree cooler.
Max humidity........62-68 percent.
24 hr trend......22 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......800-2800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of snow showers early in the
afternoon. Slight chance of showers in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......7 degrees warmer.
Min humidity........49-55 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and snow
showers in the evening, then chance of showers, snow showers and
slight chance of thunderstorms after midnight. Lows in the lower
30s. East winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the mid 30s. Highs around
50. South winds around 10 mph.
.WEDNESDAY...Partly cloudy. Snow showers likely with possible
showers and thunderstorms. Lows in the upper 20s. Highs in the
upper 40s. Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers likely and chance of
showers. Lows in the mid 20s. Highs in the upper 30s. West winds
around 15 mph.
.FRIDAY...Partly cloudy with chance of snow showers. Lows in the
upper 20s. Highs in the upper 30s.
.SATURDAY...Partly cloudy. Chance of snow showers in the morning,
then slight chance of snow showers in the afternoon. Highs in the
lower 40s.
$$
WYZ414-122230-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers likely early in the evening.
Chance of thunderstorms through the day.
Showers early in the evening. Some
thunderstorms may produce heavy rainfall.
Chance of precipitation near 100 percent.
Chance of thunder...40 percent.
Max temperature.....52-57.
24 hr trend......4 degrees cooler.
Min humidity........72-78 percent.
24 hr trend......22 percent wetter.
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.70 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Showers, snow showers and chance of
thunderstorms in the evening, then chance of
snow showers after midnight. Snow accumulation
up to 3 inches. Chance of precipitation near
100 percent.
Chance of thunder...30 percent.
Min temperature.....21-26.
24 hr trend......18 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.85 percent until 2400, then 5 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers in the morning. Slight
chance of snow showers late in the morning.
Slight chance of thunderstorms early in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...10 percent.
Max temperature.....33-38.
24 hr trend......19 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......8 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph until 1500, then southwest around 10 mph
with gusts to around 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....19-24.
24 hr trend......1 degree cooler.
Max humidity........79-85 percent.
24 hr trend......21 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......12 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......20 percent drier.
20-foot winds.......Southeast winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 15 to 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Not as cold. Partly cloudy. Chance of showers,
snow showers and slight chance of thunderstorms after midnight.
Lows in the lower 30s. Southeast winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the lower 50s. Southeast winds around 10 mph.
.WEDNESDAY...Showers with possible snow showers and thunderstorms
likely. Lows in the upper 20s. Highs in the mid 40s. Southwest
winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers likely with possible
showers and thunderstorms. Lows in the mid 20s. Highs in the mid
30s. West winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers and showers. Lows
in the mid 20s. Highs in the upper 30s.
.SATURDAY...Partly cloudy. Chance of snow showers in the morning,
then slight chance of showers and snow showers in the afternoon.
Highs around 40.
$$
WYZ278-122230-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms. Some thunderstorms may produce
heavy rainfall. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....56-61.
24 hr trend......Unchanged.
Min humidity........55-61 percent.
24 hr trend......1 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.25 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......4000-6000 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Showers and chance of thunderstorms in the
evening. Chance of snow showers through the
night. Chance of showers after midnight. Little
or no snow accumulation. Chance of
precipitation near 100 percent.
Chance of thunder...30 percent.
Min temperature.....25-30.
24 hr trend......15 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph until 2100, then
west. Gusts up to 40 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.45 percent until 2400, then zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......17 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......9 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 around 20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 4600-6200 ft
agl.
Smoke dispersal.....Good.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....20-25.
24 hr trend......5 degrees cooler.
Max humidity........74-80 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then east.
Mixing Height.......1400-3400 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....50-55.
24 hr trend......10 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......2 percent drier.
20-foot winds.......East winds around 10 mph until 1200, then
southeast. Gusts up to 25 mph.
Ridge top winds.....East around 15 mph until 1200, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......400-2200 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Not as cold. Mostly cloudy. Slight chance of
showers and thunderstorms after midnight. Lows in the mid 30s.
Southeast winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 30s. Highs in the upper 50s.
Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the mid 50s. Southwest winds around 10 mph.
.THURSDAY...Colder. Mostly cloudy. Chance of snow showers and
showers. Lows in the mid 20s. Highs in the mid 40s. West winds
around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the mid 20s. Highs in the mid 40s.
.SATURDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the upper 40s.
$$
WYZ277-122230-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms. Some thunderstorms may produce
heavy rainfall. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....57-62.
24 hr trend......Unchanged.
Min humidity........49-55 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southwest winds around 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 25 mph.
Chc of wetting rain.20 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......4000-6000 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Showers, snow showers and slight chance of
thunderstorms in the evening, then chance of
snow showers and slight chance of showers after
midnight. Little or no snow accumulation.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....25-30.
24 hr trend......16 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
around 40 mph until 0300, then around 15 mph
with gusts to around 35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.55 percent until 2400, then zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......17 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......1 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 35 mph
until 1200, then 25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4200-5600 ft
agl.
Smoke dispersal.....Fair to good.
.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......5 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......12 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 2400, then east.
Mixing Height.......1200-3200 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......11 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......9 percent drier.
20-foot winds.......East winds around 10 mph until 1500, then
southeast. Gusts up to 20 mph.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southeast.
Mixing Height.......400-2200 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Not as cold. Mostly cloudy. Slight chance of
showers and thunderstorms after midnight. Lows in the mid 30s.
East winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers. Lows in the mid
30s. Highs in the upper 50s. Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy. Snow showers likely with possible
showers and thunderstorms. Lows in the upper 20s. Highs in the
lower 50s. Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy with chance of snow showers, showers
and slight chance of thunderstorms. Lows in the mid 20s. Highs in
the lower 40s. West winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the mid 20s. Highs in the mid 40s.
.SATURDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the upper 40s.
$$
WYZ279-122230-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the evening. Slight chance of thunderstorms
through the day. Chance of showers early in the
evening. Some thunderstorms may produce heavy
rainfall. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....58-63.
24 hr trend......1 degree warmer.
Min humidity........55-61 percent.
24 hr trend......4 percent wetter.
20-foot winds.......South winds around 20 mph with gusts to around
35 mph.
Ridge top winds.....South around 25 mph.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......3200-5200 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Showers and slight chance of
thunderstorms through the night. Chance of
precipitation 90 percent.
Chance of thunder...20 percent.
Min temperature.....29-34.
24 hr trend......16 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph until
2400, then west. Gusts up to 45 mph.
Ridge top winds.....Southwest around 25 mph until 2400, then west.
Chc of wetting rain.35 percent until 2400, then 10 percent.
Transport winds.....Southwest around 25 mph until 2400, then west.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......13 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......29 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 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.......1800-3800 ft agl until 1200, then 4600-6000 ft
agl.
Smoke dispersal.....Good.
.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......3 degrees cooler.
Max humidity........64-70 percent.
24 hr trend......17 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Southeast 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.
.COLUMBUS DAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
snow showers in the morning. Chance of showers
in the afternoon. Chance of precipitation 30
percent.
Chance of thunder...0 percent.
Max temperature.....52-57.
24 hr trend......9 degrees warmer.
Min humidity........47-53 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....Southeast 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers and slight
chance of thunderstorms after midnight. Lows in the upper 30s.
Southeast winds around 10 mph.
.TUESDAY...Mostly clear. Slight chance of showers. Lows around
40. Highs around 60. South winds around 15 mph.
.WEDNESDAY...Partly cloudy with chance of showers, snow showers
and slight chance of thunderstorms. Lows in the lower 30s. Highs
in the upper 50s. Southwest winds around 15 mph.
.THURSDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. West winds
around 15 mph.
.FRIDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s.
.SATURDAY...Partly cloudy. Slight chance of snow showers in the
morning. Highs in the upper 40s.
$$
WYZ289-122230-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms through the day. Chance
of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....56-61.
24 hr trend......Unchanged.
Min humidity........64-70 percent.
24 hr trend......8 percent wetter.
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.10 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......3000-4000 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Showers
likely after midnight. Chance of precipitation
70 percent.
Chance of thunder...20 percent.
Min temperature.....33-38.
24 hr trend......14 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
to around 45 mph.
Ridge top winds.....Southwest 25 to 30 mph.
Chc of wetting rain.15 percent until 2400, then 5 percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing Height.......600-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......12 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......36 percent drier.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
around 40 mph.
Ridge top winds.....West 25 to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 4600-6400 ft
agl.
Smoke dispersal.....Good until 1200, then very good.
.SUNDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......4 degrees cooler.
Max humidity........60-66 percent.
24 hr trend......19 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 around 15 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 2400, then south.
Mixing Height.......1400-3400 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of snow showers in the morning.
Slight chance of showers in the late morning
and afternoon. Chance of precipitation 20
percent.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......8 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 25 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......400-2400 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers and slight
chance of thunderstorms after midnight. Lows in the mid 30s.
Winds generally less than 10 mph.
.TUESDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows around 40. Highs in the lower 60s. South
winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers, snow showers
and slight chance of thunderstorms. Lows in the lower 30s. Highs
around 60. Southwest winds around 15 mph.
.THURSDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows around 30. Highs in the upper 40s. Southwest winds
around 15 mph.
.FRIDAY...Partly cloudy with chance of snow showers and showers.
Lows around 30. Highs in the upper 40s.
.SATURDAY...Partly cloudy with slight chance of snow showers and
showers. Highs in the upper 40s.
$$
WYZ300-122230-
Casper Mountain-
230 PM MDT Sat Oct 11 2025
.THIS AFTERNOON...
Sky/weather.........Partly 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.....56-61.
24 hr trend......2 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......32 percent wetter.
20-foot winds.......Southwest winds around 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 25 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......2400-3200 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers after
midnight. Chance of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......14 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Southwest winds 15 to 20 mph with gusts
to around 40 mph until 2400, then around 25 mph
with gusts to around 50 mph.
Ridge top winds.....Southwest 25 to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing Height.......200-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......10 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......46 percent drier.
20-foot winds.......Windy. West winds 25 to 30 mph until 1500, then
around 20 mph. Gusts up to 50 mph.
Ridge top winds.....West 30 to 35 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 35 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 4800-6400 ft
agl.
Smoke dispersal.....Good until 1200, then very good to excellent.
.SUNDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......5 degrees cooler.
Max humidity........51-57 percent.
24 hr trend......30 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds 10 to 15 mph until 2400, then
southeast. Gusts up to 30 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 2400, then south.
Mixing Height.......1000-3000 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.COLUMBUS DAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......9 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Southeast winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southeast around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy with slight chance of showers. Lows
in the upper 30s. Southeast winds around 15 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 60s. South winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the mid 30s. Highs in the lower
60s. Southwest winds around 10 mph.
.THURSDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the mid 40s. Southwest
winds around 15 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of snow showers. Lows around 30. Highs in the mid 40s.
.SATURDAY...Partly cloudy. Chance of snow showers and showers in
the morning, then slight chance of showers and snow showers in
the afternoon. Highs in the mid 40s.
$$