Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
621
FNUS55 KRIW 041942
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
142 PM MDT Sat Oct 4 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Wetting rain and mountain snow continues through the day Sunday.
Relatively lower chances occur Sunday morning, before increasing
again in the afternoon. Much cooler today, though high temperatures
drop up to 10 degrees colder Sunday. Gusty west winds continue this
afternoon, ending shortly after midnight. Winds are relatively light
Sunday. Snow levels will be lowest Sunday morning, 6000 to 7000 feet.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Wetting rain and mountain snow continues through the day Sunday. The
highest precipitation totals will be over the mountains. Much cooler
today, though high temperatures are around 10 degrees colder Sunday.
Gusty north winds around 45 mph occur for zones 275, 276, 282, and
287 this afternoon and evening with the cold front, with winds
decreasing between 0100L and 1200L Sunday. Snow levels will be
lowest Sunday morning, 6000 to 7000 feet, lowest further north.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Wetting rain and mountain snow continues through the day Sunday.
Lowest precipitation totals (up to 0.2") will be across zone 279 and
surrounding areas. Much cooler today, though high temperatures are 10
to 20 degrees colder Sunday. Gusty north winds around 40 mph occur
for zone 281 starting around 1900L with the cold front, with winds
decreasing into Sunday morning. Elsewhere, a gusty west to southwest
wind decreases late tonight. Snow levels will be lowest Sunday
morning, around 7000 feet.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-052145-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
142 PM MDT Sat Oct 4 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers early in the evening.
Scattered thunderstorms through the day.
Scattered showers early in the evening. Chance
of precipitation 90 percent.
Chance of thunder...30 percent.
Max temperature.....61-66.
24 hr trend......19 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......44 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
35 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.55 percent.
Transport winds.....North around 20 mph.
Mixing Height.......1800-3400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms in the evening, then numerous
showers and isolated thunderstorms after
midnight. Chance of precipitation 70 percent.
Chance of thunder...30 percent.
Min temperature.....35-40.
24 hr trend......11 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds 10 to 15 mph until 2400, then
northwest 15 to 20 mph. Gusts up to 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.32 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......1000-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Isolated showers early in the
morning, then scattered showers. Chance of
showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......17 degrees cooler.
Min humidity........78-84 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph until 1200, then
northeast. Gusts up to 25 mph.
Ridge top winds.....Northwest around 15 mph until 1200, then
northeast.
Chc of wetting rain.25 percent until 1200, then 15 percent.
Transport winds.....Northwest around 15 mph until 1200, then
northeast.
Mixing Height.......1200-2800 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Cloudy. Scattered showers and numerous snow
showers in the evening, then showers likely and
snow showers after midnight. No snow
accumulation. Chance of precipitation 80
percent.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......4 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northeast around 20 mph.
Chc of wetting rain.20 percent until 2400, then 50 percent.
Transport winds.....Northeast around 20 mph.
Mixing Height.......1200-2600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the morning.
Chance of showers in the morning. Chance of
precipitation 40 percent.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......5 degrees warmer.
Min humidity........64-70 percent.
24 hr trend......14 percent drier.
20-foot winds.......Northeast winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 20 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then west.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....East around 10 mph until 1200, then west.
Mixing Height.......1000-2400 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the lower 30s. Winds
generally less than 10 mph.
.TUESDAY...Clear. Lows in the upper 30s. Highs around 60. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows around 40. Highs in the upper 60s.
Southwest winds around 15 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s. West winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear with slight chance of
showers. Lows in the lower 40s. Highs in the upper 60s.
$$
WYZ283-052145-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
142 PM MDT Sat Oct 4 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Numerous showers early in the
evening. Scattered thunderstorms through the
day. Scattered showers early in the evening.
Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....56-61.
24 hr trend......19 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......46 percent wetter.
20-foot winds.......Northeast winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northeast around 20 mph.
Chc of wetting rain.55 percent.
Transport winds.....East around 20 mph.
Mixing Height.......2000-2800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Isolated thunderstorms in the
evening. Numerous showers in the evening, then
scattered showers after midnight. Chance of
precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....33-38.
24 hr trend......10 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
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.65 percent until 2400, then 15 percent.
Transport winds.....North around 20 mph.
Mixing Height.......1000-2200 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Scattered showers through the
day. Isolated thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...10 percent.
Max temperature.....41-46.
24 hr trend......16 degrees cooler.
Min humidity........80-86 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Northeast winds 10 to 15 mph with higher gusts.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.15 percent until 1200, then 40 percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Cloudy. Numerous showers and snow showers in
the evening, then showers with snow showers
likely after midnight. Snow accumulation up to
1 inch. Chance of precipitation 90 percent.
Chance of thunder...0 percent.
Min temperature.....30-35.
24 hr trend......4 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northeast 15 to 20 mph.
Chc of wetting rain.60 percent until 2400, then 45 percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing Height.......1400-2400 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers in the morning.
Slight chance of showers in the morning. Chance
of precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......4 degrees warmer.
Min humidity........63-69 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then west.
Mixing Height.......2000-4000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH TUESDAY...Mostly clear. Lows 30 to 35. Highs in
the upper 50s. Winds generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the upper 30s. Highs in the mid 60s.
Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the mid
60s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows around 40.
Highs in the mid 60s.
.SATURDAY...Mostly sunny. Slight chance of showers in the
morning, then chance of showers in the afternoon. Highs in the
mid 60s.
$$
WYZ285-052145-
South Bighorn Mountains-
142 PM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT SUNDAY...
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and scattered thunderstorms.
Chance of precipitation near 100 percent.
Chance of thunder...30 percent.
Max temperature.....52-57.
24 hr trend......21 degrees cooler.
Min humidity........58-64 percent.
24 hr trend......43 percent wetter.
20-foot winds.......East winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....East around 20 mph.
Chc of wetting rain.60 percent.
Transport winds.....East around 20 mph.
Mixing Height.......1200-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Isolated thunderstorms in the
evening. Showers and snow showers through the
night. Snow accumulation up to 1 inch. Chance
of precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....31-36.
24 hr trend......12 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Northwest 20 to 25 mph.
Chc of wetting rain.75 percent.
Transport winds.....Northwest 20 to 25 mph.
Mixing Height.......600-1600 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Showers in the morning. Snow
showers through the day. Numerous showers in
the afternoon. Snow accumulation up to 3
inches. Chance of precipitation near 100
percent.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......15 degrees cooler.
Min humidity........81-87 percent.
24 hr trend......24 percent wetter.
20-foot winds.......North winds 10 to 15 mph with gusts to around
30 mph until 1500, then northeast with higher
gusts.
Ridge top winds.....Northwest around 15 mph until 1200, then
northeast.
Chc of wetting rain.65 percent.
Transport winds.....Northwest around 15 mph until 1200, then
northeast.
Mixing Height.......600-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Numerous snow showers and
showers in the evening, then snow showers and
showers after midnight. Snow accumulation up to
2 inches. Chance of precipitation 80 percent.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......3 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.40 percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......600-1600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers and showers in the
morning. Chance of precipitation 40 percent.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......5 degrees warmer.
Min humidity........65-71 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph until 1200, then west.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Clear. Lows in the lower 30s. Winds generally
less than 10 mph.
.TUESDAY...Clear. Lows in the upper 30s. Highs in the lower 50s.
Southwest winds around 10 mph.
.WEDNESDAY...Clear. Lows in the lower 40s. Highs in the upper
50s. Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs around 60.
Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear with slight chance of
showers. Lows in the lower 40s. Highs in the lower 60s.
$$
WYZ281-052145-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
142 PM MDT Sat Oct 4 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Cloudy. Scattered showers early in the evening.
Isolated thunderstorms through the day. Showers
early in the evening. Chance of precipitation
90 percent.
Chance of thunder...20 percent.
Max temperature.....56-61.
24 hr trend......24 degrees cooler.
Min humidity........58-64 percent.
24 hr trend......47 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.45 percent.
Transport winds.....North around 15 mph.
Mixing Height.......2200-4000 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Isolated thunderstorms in the evening.
Showers through the night. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....35-40.
24 hr trend......10 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. North winds 15 to 20 mph until 2400,
then northwest 20 to 25 mph. Gusts up to 40
mph.
Ridge top winds.....North around 25 mph.
Chc of wetting rain.65 percent until 2400, then 75 percent.
Transport winds.....North around 25 mph.
Mixing Height.......1200-2000 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Cloudy. Numerous showers. Chance of showers 70
percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......15 degrees cooler.
Min humidity........79-85 percent.
24 hr trend......18 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.55 percent until 1200, then 20 percent.
Transport winds.....North around 20 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Scattered showers through the
night. Snow showers likely early in the
morning. No snow accumulation. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Min temperature.....30-35.
24 hr trend......4 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.10 percent until 2400, then 20 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy. Chance of snow showers early in
the morning. Chance of showers in the morning.
Chance of precipitation 40 percent.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......7 degrees warmer.
Min humidity........57-63 percent.
24 hr trend......20 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3000-4800 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Clear. Lows in the lower 30s. Winds generally
less than 10 mph.
.TUESDAY...Clear. Lows in the upper 30s. Highs in the lower 60s.
South winds around 10 mph.
.WEDNESDAY...Clear. Lows in the lower 40s. Highs in the lower
70s. Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs around 70.
West winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
60s.
.SATURDAY...Mostly sunny. Slight chance of showers in the
afternoon. Highs in the lower 70s.
$$
WYZ282-052145-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
142 PM MDT Sat Oct 4 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Cloudy. Numerous showers early in the evening.
Scattered thunderstorms through the day.
Showers early in the evening. Chance of
precipitation 90 percent.
Chance of thunder...30 percent.
Max temperature.....55-60.
24 hr trend......23 degrees cooler.
Min humidity........65-71 percent.
24 hr trend......50 percent wetter.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 35 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.50 percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......2000-3200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Isolated thunderstorms in the evening.
Showers until early morning, then numerous
showers early in the morning. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....32-37.
24 hr trend......9 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northwest winds 20 to 25 mph with gusts
to around 45 mph.
Ridge top winds.....Northwest 25 to 30 mph.
Chc of wetting rain.80 percent until 2400, then 65 percent.
Transport winds.....Northwest 25 to 30 mph.
Mixing Height.......800-2200 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Cloudy. Numerous showers early in the morning,
then scattered showers. Numerous showers late
in the afternoon. Chance of showers 70 percent.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......13 degrees cooler.
Min humidity........73-79 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.35 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Showers likely through the
night. Snow showers likely after midnight. No
snow accumulation. Chance of precipitation 70
percent.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......4 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.40 percent until 2400, then 20 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of snow showers early in the
morning. Slight chance of showers in the
morning. Chance of precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......5 degrees warmer.
Min humidity........58-64 percent.
24 hr trend......16 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3400-4600 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH TUESDAY...Warmer, clear. Lows 32 to 37. Highs
around 60. Winds generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the upper 30s. Highs in the upper
60s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s. Winds generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear with slight chance of
showers. Lows in the lower 40s. Highs 66 to 71.
$$
WYZ275-052145-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
142 PM MDT Sat Oct 4 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Cloudy. Scattered showers early in the evening.
Isolated thunderstorms through the day.
Numerous showers early in the evening. Chance
of precipitation 70 percent.
Chance of thunder...20 percent.
Max temperature.....53-58.
24 hr trend......24 degrees cooler.
Min humidity........68-74 percent.
24 hr trend......47 percent wetter.
20-foot winds.......Breezy. Northwest winds around 25 mph with
gusts to around 40 mph.
Ridge top winds.....Northwest around 30 mph.
Chc of wetting rain.50 percent.
Transport winds.....North around 30 mph.
Mixing Height.......1600-2400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Isolated thunderstorms early in the
evening. Showers until early morning, then
numerous showers after midnight. Chance of
precipitation near 100 percent.
Chance of thunder...10 percent.
Min temperature.....32-37.
24 hr trend......10 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Windy. Northwest winds 25 to 30 mph with gusts
to around 50 mph until 0300, then around 20 mph
with gusts to around 45 mph.
Ridge top winds.....Northwest around 30 mph.
Chc of wetting rain.85 percent until 2400, then 65 percent.
Transport winds.....North around 30 mph.
Mixing Height.......800-1800 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Cloudy. Numerous showers early in the morning,
then scattered showers early in the morning.
Chance of showers 70 percent.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......9 degrees cooler.
Min humidity........65-71 percent.
24 hr trend......6 percent drier.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest 20 to 25 mph.
Chc of wetting rain.25 percent until 1200, then 15 percent.
Transport winds.....North 20 to 25 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Scattered showers through the
night. Scattered snow showers in the late
evening and overnight. Chance of precipitation
50 percent.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......4 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 20 mph until 2400, then west
around 10 mph.
Chc of wetting rain.20 percent until 2400, then 5 percent.
Transport winds.....North around 20 mph until 2400, then around 10
mph.
Mixing Height.......800-2600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......5 degrees warmer.
Min humidity........55-61 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3000-4400 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH TUESDAY...Warmer, clear. Lows 32 to 37. Highs
around 60. Winds generally less than 10 mph.
.WEDNESDAY...Clear. Lows around 40. Highs in the upper 60s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s. Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
60s.
.SATURDAY...Mostly sunny with slight chance of showers. Highs in
the upper 60s.
$$
WYZ276-052145-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
142 PM MDT Sat Oct 4 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and isolated thunderstorms.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Max temperature.....48-53.
24 hr trend......25 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......48 percent wetter.
20-foot winds.......Breezy. North winds around 25 mph with gusts to
around 40 mph.
Ridge top winds.....North around 25 mph.
Chc of wetting rain.70 percent.
Transport winds.....North around 25 mph.
Mixing Height.......1800-2200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Showers and snow showers in the
evening, then numerous showers and snow showers
after midnight. No snow accumulation. Chance of
precipitation near 100 percent.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......11 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Breezy. North winds 20 to 25 mph with gusts to
around 40 mph until 2400, then around 15 mph
with gusts to around 30 mph.
Ridge top winds.....North 20 to 25 mph.
Chc of wetting rain.80 percent until 2400, then 40 percent.
Transport winds.....North 20 to 25 mph.
Mixing Height.......800-2000 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Cloudy. Numerous showers and snow showers. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......9 degrees cooler.
Min humidity........74-80 percent.
24 hr trend......Unchanged.
20-foot winds.......North winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.42 percent.
Transport winds.....North around 20 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Numerous snow showers in the
evening. Scattered showers through the night.
Chance of snow showers after midnight. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......5 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds 10 to 15 mph with gusts to around
25 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.25 percent until 2400, then 5 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......1000-2600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......8 degrees warmer.
Min humidity........56-62 percent.
24 hr trend......20 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH TUESDAY...Clear. Lows 33 to 38. Highs in the
upper 50s. South winds around 10 mph.
.WEDNESDAY...Clear. Lows in the lower 40s. Highs in the mid 60s.
Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
West winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the
lower 40s. Highs in the mid 60s.
.SATURDAY...Mostly sunny. Slight chance of showers in the
morning, then chance of showers in the afternoon. Highs in the
mid 60s.
$$
WYZ287-052145-
Owl Creek Mountains-
142 PM MDT Sat Oct 4 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and scattered thunderstorms.
Chance of precipitation near 100 percent.
Chance of thunder...30 percent.
Max temperature.....50-55.
24 hr trend......23 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......48 percent wetter.
20-foot winds.......North winds around 20 mph with gusts to around
30 mph.
Ridge top winds.....North around 25 mph.
Chc of wetting rain.70 percent.
Transport winds.....North around 25 mph.
Mixing Height.......1200-2400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Cloudy. Showers, snow showers and isolated
thunderstorms in the evening, then numerous
showers and snow showers after midnight. Snow
accumulation up to 2 inches. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....30-35.
24 hr trend......11 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Windy. Northwest winds 25 to 30 mph with gusts
to around 45 mph until 0300, then around 20 mph
with gusts to around 45 mph.
Ridge top winds.....Northwest around 30 mph.
Chc of wetting rain.85 percent until 2400, then 40 percent.
Transport winds.....North around 30 mph.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Cloudy. Numerous snow showers and scattered
showers in the morning, then snow showers and
numerous showers in the afternoon. Snow
accumulation up to 3 inches. Chance of
precipitation 90 percent.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......12 degrees cooler.
Min humidity........82-88 percent.
24 hr trend......8 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.40 percent until 1200, then 60 percent.
Transport winds.....North around 20 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Snow showers and showers in the
evening, then snow showers and showers likely
after midnight. Snow accumulation up to 2
inches. Chance of precipitation 90 percent.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......3 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 15 mph with gusts to around
30 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....North around 20 mph until 2400, then around 10
mph.
Chc of wetting rain.75 percent until 2400, then 25 percent.
Transport winds.....North around 20 mph until 2400, then around 10
mph.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of showers and snow showers in
the morning. Chance of precipitation 20
percent.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......6 degrees warmer.
Min humidity........66-72 percent.
24 hr trend......19 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH TUESDAY...Clear. Lows 32 to 37. Highs in the
lower 50s. Winds generally less than 10 mph.
.WEDNESDAY...Clear. Lows around 40. Highs around 60. Southwest
winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the
lower 40s. Highs in the lower 60s.
.SATURDAY...Mostly sunny. Slight chance of showers in the
morning, then chance of showers in the afternoon. Highs in the
lower 60s.
$$
WYZ286-052145-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
142 PM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT SUNDAY...
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers, snow showers and isolated
thunderstorms. Little or no new snow
accumulation. Chance of precipitation near 100
percent.
Chance of thunder...20 percent.
Max temperature.....43-48.
24 hr trend......18 degrees cooler.
Min humidity........75-81 percent.
24 hr trend......43 percent wetter.
20-foot winds.......Northeast winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.80 percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......1200-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Snow showers, showers and
isolated thunderstorms in the evening, then
numerous snow showers and showers after
midnight. Snow accumulation up to 4 inches.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....28-33.
24 hr trend......9 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph. Gusts up to 30
mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.80 percent until 2400, then 35 percent.
Transport winds.....North around 15 mph.
Mixing Height.......600-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers early in
the morning, then numerous snow showers late in
the morning. Snow showers and isolated
thunderstorms in the afternoon. Snow
accumulation up to 4 inches. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Max temperature.....32-37.
24 hr trend......10 degrees cooler.
Min humidity........77-83 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then east
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North around 15 mph until 1200, then east.
Chc of wetting rain.50 percent until 1200, then 75 percent.
Transport winds.....North around 15 mph until 1200, then east.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Snow showers in the evening,
then chance of snow showers after midnight.
Snow accumulation up to 3 inches. Chance of
snow near 100 percent.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......6 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph and gusty until 2400,
then downslope/downvalley 4-7 mph.
Ridge top winds.....East around 15 mph until 2400, then south.
Chc of wetting rain.50 percent until 2400, then 15 percent.
Transport winds.....East around 15 mph until 2400, then southeast.
Mixing Height.......600-2000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of snow showers in the morning.
Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......7 degrees warmer.
Min humidity........57-63 percent.
24 hr trend......21 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the mid 20s. Winds
generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Clear. Lows 30 to 35. Highs 47 to
52. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
50s. West winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the
upper 30s. Highs in the mid 50s.
.SATURDAY...Partly cloudy. Chance of showers and snow showers in
the morning, then chance of showers in the afternoon. Highs in
the lower 50s.
$$
WYZ140-052145-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
142 PM MDT Sat Oct 4 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers, snow showers and isolated
thunderstorms. Little or no new snow
accumulation. Chance of precipitation near 100
percent.
Chance of thunder...20 percent.
Max temperature.....44-49.
24 hr trend......17 degrees cooler.
Min humidity........76-82 percent.
24 hr trend......41 percent wetter.
20-foot winds.......North winds around 10 mph with gusts to around
30 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.90 percent.
Transport winds.....North around 20 mph.
Mixing Height.......1200-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Cloudy. Snow showers, showers and isolated
thunderstorms in the evening, then numerous
snow showers and scattered showers after
midnight. Snow accumulation up to 2 inches.
Chance of precipitation near 100 percent.
Chance of thunder...10 percent.
Min temperature.....25-30.
24 hr trend......9 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 25
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.60 percent until 2400, then 20 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......800-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Numerous snow showers through
the day. Numerous showers and isolated
thunderstorms in the afternoon. Snow
accumulation up to 2 inches. Chance of
precipitation 70 percent.
Chance of thunder...10 percent.
Max temperature.....37-42.
24 hr trend......6 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.25 percent until 1200, then 50 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Scattered snow showers early in
the evening. Slight chance of snow showers in
the late evening and overnight. Chance of snow
50 percent.
Chance of thunder...0 percent.
Min temperature.....18-23.
24 hr trend......7 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 15 mph until 2400, then east
around 5 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......6 degrees warmer.
Min humidity........50-56 percent.
24 hr trend......27 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Southeast around 5 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 5 mph until 1200, then west.
Mixing Height.......600-2600 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH WEDNESDAY...Clear. Lows 23 to 28. Highs 50 to 55.
South winds up to 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 20s. Highs in the mid
50s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 50s.
.SATURDAY...Partly cloudy. Chance of showers and snow showers in
the morning, then chance of showers in the afternoon. Highs in
the mid 50s.
$$
WYZ415-052145-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
142 PM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT SUNDAY...
...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM MDT SUNDAY...
.THIS AFTERNOON...
Sky/weather.........Cloudy. Numerous showers early in the evening.
Scattered thunderstorms through the day.
Showers and snow showers early in the evening.
No new snow accumulation. Chance of
precipitation near 100 percent.
Chance of thunder...40 percent.
Max temperature.....44-49.
24 hr trend......14 degrees cooler.
Min humidity........76-82 percent.
24 hr trend......29 percent wetter.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.70 percent.
Transport winds.....West around 15 mph.
Mixing Height.......1600-3000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers, snow showers and
isolated thunderstorms in the evening, then
scattered snow showers and showers after
midnight. Snow accumulation up to 2 inches.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....25-30.
24 hr trend......8 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 25
mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.55 percent until 2400, then 10 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1000-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers in the
morning. Scattered showers and isolated
thunderstorms through the day. Numerous snow
showers in the afternoon. Snow accumulation up
to 3 inches. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....38-43.
24 hr trend......6 degrees cooler.
Min humidity........74-80 percent.
24 hr trend......9 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.10 percent until 1200, then 50 percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Numerous snow showers and isolated
thunderstorms in the evening. Scattered showers
through the night. Chance of snow showers after
midnight. Snow accumulation up to 2 inches.
Chance of precipitation 70 percent.
Chance of thunder...10 percent.
Min temperature.....21-26.
24 hr trend......5 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East around 10 mph.
Chc of wetting rain.40 percent until 2400, then 10 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of snow showers. Chance of snow
20 percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......4 degrees warmer.
Min humidity........56-62 percent.
24 hr trend......23 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Southeast around 5 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 5 mph until 1200, then west.
Mixing Height.......1000-3000 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH WEDNESDAY...Clear. Lows 24 to 29. Highs 49 to 54.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 30s. Highs in the mid
50s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Chance of showers and slight chance of
snow showers. Lows in the lower 30s. Highs in the upper 50s.
.SATURDAY...Partly cloudy with chance of showers. Highs in the
mid 50s.
$$
WYZ416-052145-
West Wind River Mountains/East Zone Bridger Teton NF-
142 PM MDT Sat Oct 4 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Numerous showers, snow showers
and scattered thunderstorms. Little or no new
snow accumulation. Chance of precipitation 70
percent.
Chance of thunder...40 percent.
Max temperature.....45-50.
24 hr trend......12 degrees cooler.
Min humidity........68-74 percent.
24 hr trend......31 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.65 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......2000-3400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers, snow showers and
isolated thunderstorms in the evening, then
scattered 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.....25-30.
24 hr trend......9 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 25
mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.55 percent until 2400, then 5 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers in the
morning. Isolated thunderstorms through the
day. Snow showers and scattered showers in the
afternoon. Snow accumulation up to 2 inches.
Chance of precipitation 90 percent.
Chance of thunder...20 percent.
Max temperature.....36-41.
24 hr trend......9 degrees cooler.
Min humidity........74-80 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.....Northwest around 10 mph until 1200, then
southwest.
Chc of wetting rain.5 percent until 1200, then 50 percent.
Transport winds.....Northwest around 10 mph until 1200, then
southwest.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Isolated thunderstorms early in
the evening. Numerous snow showers in the
evening, then chance of snow showers after
midnight. Snow accumulation of 1 to 3 inches.
Chance of precipitation 70 percent.
Chance of thunder...10 percent.
Min temperature.....21-26.
24 hr trend......4 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.65 percent until 2400, then 40 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of snow showers in the morning.
Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......2 degrees warmer.
Min humidity........60-66 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the lower 20s. Winds
generally less than 10 mph.
.TUESDAY...Clear. Lows in the upper 20s. Highs in the mid 40s.
Winds generally less than 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower
30s. Highs 49 to 54. Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Chance of showers and snow showers. Lows
in the lower 30s. Highs in the lower 50s.
.SATURDAY...Partly cloudy. Chance of showers and snow showers in
the morning, then chance of showers in the afternoon. Highs in
the lower 50s.
$$
WYZ288-052145-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
142 PM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT SUNDAY...
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Numerous showers early in the
evening. Scattered thunderstorms and numerous
snow showers through the day. Scattered showers
early in the evening. No new snow accumulation.
Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....47-52.
24 hr trend......17 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......44 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.70 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......1800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Snow showers with possible
showers and thunderstorms in the evening, then
scattered snow showers and showers after
midnight. Snow accumulation up to 2 inches.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....27-32.
24 hr trend......9 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
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.55 percent until 2400, then 15 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......800-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers and
showers in the morning. Isolated thunderstorms
through the day. Snow showers and showers in
the afternoon. Snow accumulation up to 5
inches. Chance of precipitation near 100
percent.
Chance of thunder...20 percent.
Max temperature.....33-38.
24 hr trend......12 degrees cooler.
Min humidity........78-84 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.30 percent until 1200, then 70 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Snow showers, showers and
isolated thunderstorms in the evening, then
snow showers likely after midnight. Snow
accumulation of 1 to 5 inches. Chance of
precipitation near 100 percent.
Chance of thunder...10 percent.
Min temperature.....22-27.
24 hr trend......5 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 25
mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.75 percent until 2400, then 50 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......800-1600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers through the day.
Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......4 degrees warmer.
Min humidity........62-68 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the mid 20s. Winds
generally less than 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 31 to 36. Highs
48 to 53. Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Chance of showers and slight chance of
snow showers. Lows in the upper 30s. Highs in the mid 50s.
.SATURDAY...Partly cloudy with chance of showers. Highs in the
mid 50s.
$$
WYZ414-052145-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
142 PM MDT Sat Oct 4 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers, scattered thunderstorms and
snow showers. Little or no new snow
accumulation. Chance of precipitation near 100
percent.
Chance of thunder...40 percent.
Max temperature.....44-49.
24 hr trend......16 degrees cooler.
Min humidity........77-83 percent.
24 hr trend......32 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.75 percent.
Transport winds.....West around 15 mph.
Mixing Height.......1200-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers, snow showers and
isolated thunderstorms in the evening, then
scattered showers and snow showers after
midnight. Snow accumulation up to 1 inch.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Min temperature.....26-31.
24 hr trend......6 degrees cooler.
Max humidity........90-96 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 40
mph until 0300, then around 10 mph with gusts
to around 35 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.50 percent until 2400, then 5 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......800-2000 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Isolated snow showers in the
morning. Scattered showers and isolated
thunderstorms through the day. Scattered snow
showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....39-44.
24 hr trend......4 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....West around 10 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated thunderstorms in the evening.
Scattered snow showers and showers through the
night. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....22-27.
24 hr trend......4 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......4 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 until 2400, then
southeast.
Chc of wetting rain.25 percent until 2400, then 15 percent.
Transport winds.....Northeast around 10 mph until 2400, then
southeast.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of snow showers in the morning.
Slight chance of showers through the day.
Chance of precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......3 degrees warmer.
Min humidity........51-57 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH WEDNESDAY...Clear. Lows 27 to 32. Highs 52 to 57.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
50s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Chance of showers. Lows in the mid 30s.
Highs in the upper 50s.
.SATURDAY...Partly cloudy with chance of showers. Highs in the
mid 50s.
$$
WYZ278-052145-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
142 PM MDT Sat Oct 4 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....48-53.
24 hr trend......15 degrees cooler.
Min humidity........57-63 percent.
24 hr trend......27 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
30 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.30 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......3200-5200 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered showers and isolated
thunderstorms in the evening. Isolated showers
and snow showers after midnight. Chance of
precipitation 50 percent.
Chance of thunder...10 percent.
Min temperature.....28-33.
24 hr trend......7 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph until 0300, then around
10 mph. Gusts up to 35 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.15 percent until 2400, then zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Isolated showers and snow
showers in the morning. Isolated thunderstorms
through the day. Scattered showers and numerous
snow showers in the afternoon. No snow
accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....42-47.
24 hr trend......8 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 1200, then
south. Gusts up to 20 mph.
Ridge top winds.....Northwest around 15 mph until 1200, then south.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northwest around 15 mph until 1200, then south.
Mixing Height.......1000-3000 ft agl until 1200, then 3200-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Numerous snow showers and
isolated thunderstorms in the evening.
Scattered showers through the night. Chance of
snow showers after midnight. Snow accumulation
up to 1 inch. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Min temperature.....24-29.
24 hr trend......4 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.30 percent until 2400, then 20 percent.
Transport winds.....East around 15 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......1 degree warmer.
Min humidity........49-55 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then
southwest.
Mixing Height.......1000-3000 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH THURSDAY...Mostly clear. Lows 26 to 31. Highs
57 to 62. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the mid
30s. Highs in the lower 60s.
.SATURDAY...Partly cloudy with chance of showers. Highs in the
lower 60s.
$$
WYZ277-052145-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
142 PM MDT Sat Oct 4 2025
...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM MDT SUNDAY...
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Scattered showers early in the
evening. Isolated thunderstorms through the
day. Showers early in the evening. Chance of
precipitation near 100 percent.
Chance of thunder...20 percent.
Max temperature.....47-52.
24 hr trend......19 degrees cooler.
Min humidity........65-71 percent.
24 hr trend......34 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.45 percent.
Transport winds.....West around 25 mph.
Mixing Height.......1800-3400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers in the evening.
Scattered showers and snow showers after
midnight. No snow accumulation. Chance of
precipitation 90 percent.
Chance of thunder...0 percent.
Min temperature.....30-35.
24 hr trend......5 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......3 percent drier.
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 30 mph.
Ridge top winds.....West around 30 mph until 2400, then around 20
mph.
Chc of wetting rain.30 percent until 2400, then 5 percent.
Transport winds.....West around 30 mph until 2400, then around 20
mph.
Mixing Height.......800-2200 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Isolated showers and snow
showers in the morning. Scattered showers and
isolated thunderstorms in the afternoon. Chance
of precipitation 50 percent.
Chance of thunder...10 percent.
Max temperature.....44-49.
24 hr trend......2 degrees cooler.
Min humidity........58-64 percent.
24 hr trend......12 percent drier.
20-foot winds.......West winds around 10 mph until 1200, then
upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 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.......1000-3000 ft agl until 1200, then 3400-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms in the
evening. Slight chance of showers through the
night. Slight chance of snow showers. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....25-30.
24 hr trend......4 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
northeast until 0300, then downslope/downvalley
4-7 mph. Gusts up to 15 mph.
Ridge top winds.....North around 15 mph until 2400, then east.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 15 mph until 2400, then east.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......2 degrees warmer.
Min humidity........43-49 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southwest.
Mixing Height.......1200-3200 ft agl until 1200, then 4000-5800 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH THURSDAY...Mostly clear. Lows 28 to 33. Highs
58 to 63. Winds generally less than 10 mph.
.FRIDAY...Mostly clear. Chance of showers. Lows in the mid 30s.
Highs in the mid 60s.
.SATURDAY...Partly cloudy with chance of showers. Highs in the
lower 60s.
$$
WYZ279-052145-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
142 PM MDT Sat Oct 4 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers early in the
evening. Isolated thunderstorms through the
day. Scattered showers early in the evening.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....52-57.
24 hr trend......16 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......26 percent wetter.
20-foot winds.......Breezy. Southwest winds around 25 mph with
gusts to around 40 mph.
Ridge top winds.....Southwest around 30 mph.
Chc of wetting rain.30 percent.
Transport winds.....Southwest around 30 mph.
Mixing Height.......4200-6200 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered showers in the
evening. Isolated showers after midnight.
Chance of showers 50 percent.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......8 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
around 45 mph until 0300, then around 15 mph
with gusts to around 35 mph.
Ridge top winds.....West around 30 mph until 2400, then around 20
mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....West around 30 mph until 2400, then around 20
mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Mostly cloudy. Scattered showers. Chance of
showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......8 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......18 percent wetter.
20-foot winds.......West winds around 10 mph until 1200, then
upslope/upvalley 5-9 mph until 1500, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 15 mph until 1200, then
southeast.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Scattered showers through the
night. Chance of snow showers after midnight.
Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Min temperature.....30-35.
24 hr trend......4 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph and gusty.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of showers in the morning. Chance
of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......3 degrees warmer.
Min humidity........57-63 percent.
24 hr trend......14 percent drier.
20-foot winds.......Northeast winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then
northwest.
Mixing Height.......1000-3000 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY THROUGH THURSDAY...Mostly clear. Lows 31 to 36. Highs
60 to 65. Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the
upper 30s. Highs in the mid 60s.
.SATURDAY...Partly cloudy with chance of showers. Highs in the
mid 60s.
$$
WYZ289-052145-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
142 PM MDT Sat Oct 4 2025
...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
MORNING...
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....56-61.
24 hr trend......16 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......33 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.50 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......2800-4000 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Isolated thunderstorms in the
evening. Scattered showers through the night.
Scattered snow showers after midnight. Chance
of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....33-38.
24 hr trend......10 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. West winds 20 to 25 mph until 0300,
then around 15 mph. Gusts up to 45 mph until
2400, then 35 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.20 percent until 2400, then 10 percent.
Transport winds.....West around 25 mph.
Mixing Height.......1000-2200 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers until
late afternoon. Scattered showers through the
day. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......17 degrees cooler.
Min humidity........72-78 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 1200, then
northeast. Gusts up to 25 mph.
Ridge top winds.....Northwest around 15 mph until 1200, then
northeast.
Chc of wetting rain.12 percent.
Transport winds.....North around 15 mph until 1200, then northeast.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy. Scattered showers in the
evening. Scattered snow showers in the evening,
then showers and snow showers likely late in
the evening. Snow accumulation up to 1 inch.
Chance of precipitation 70 percent.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......3 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northeast 15 to 20 mph.
Chc of wetting rain.25 percent until 2400, then 35 percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing Height.......1000-2200 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and snow showers in
the morning. Chance of precipitation 20
percent.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......4 degrees warmer.
Min humidity........56-62 percent.
24 hr trend......16 percent drier.
20-foot winds.......Northeast winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 20 mph.
Ridge top winds.....North around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast around 10 mph until 1200, then
northwest.
Mixing Height.......800-2400 ft agl until 1200, then 2400-4400 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY THROUGH TUESDAY...Mostly clear. Lows 31 to 36. Highs in
the upper 50s. Winds generally less than 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the upper
30s. Highs in the mid 60s. Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the
lower 40s. Highs in the mid 60s.
.SATURDAY...Partly cloudy with chance of showers. Highs in the
mid 60s.
$$
WYZ300-052145-
Casper Mountain-
142 PM MDT Sat Oct 4 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers and scattered
thunderstorms. Chance of precipitation 90
percent.
Chance of thunder...30 percent.
Max temperature.....57-62.
24 hr trend......14 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......36 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.60 percent.
Transport winds.....Southwest around 25 mph.
Mixing Height.......2000-4000 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms in the evening, then numerous
showers, snow showers and isolated
thunderstorms after midnight. No snow
accumulation. Chance of precipitation 70
percent.
Chance of thunder...30 percent.
Min temperature.....33-38.
24 hr trend......13 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......22 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph until 0300, then around
20 mph. Gusts up to 30 mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.15 percent until 2400, then 35 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Scattered showers and snow
showers. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......19 degrees cooler.
Min humidity........83-89 percent.
24 hr trend......29 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph until 1200, then upslope/upvalley
5-9 mph until 1500, then northeast around 10
mph with higher gusts.
Ridge top winds.....Northwest around 15 mph until 1200, then north.
Chc of wetting rain.17 percent.
Transport winds.....Northwest around 15 mph until 1200, then north.
Mixing Height.......1000-2400 ft agl.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...
Sky/weather.........Cloudy. Showers and snow showers likely. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......2 degrees cooler.
Max humidity........90-96 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......East winds 10 to 15 mph and gusty.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.40 percent.
Transport winds.....East around 15 mph.
Mixing Height.......800-1600 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Cloudy then becoming partly cloudy. Chance of
showers and snow showers in the morning, then
slight chance of snow showers early in the
afternoon. Slight chance of showers in the
afternoon. Chance of precipitation 40 percent.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......5 degrees warmer.
Min humidity........71-77 percent.
24 hr trend......12 percent drier.
20-foot winds.......East winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then west.
Chc of wetting rain.15 percent until 1200, then zero percent.
Transport winds.....South around 15 mph until 1200, then southwest.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the lower 30s. Winds
generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 50s. Winds generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the lower 40s. Highs in the lower
60s. Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s. Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the
lower 40s. Highs in the lower 60s.
.SATURDAY...Partly cloudy with slight chance of showers. Highs in
the lower 60s.
$$