Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
320
FNUS55 KRIW 100900
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
300 AM MDT Fri Oct 10 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
An influx of tropical moisture will enter the region today with cold
and wet weather expected through the weekend. Min RH values are
expected to be well above criteria. Scattered showers are possible
throughout the day today with generally light winds. Precipitation
chances increase through the weekend with accumulating mountain
snowfall likely Saturday evening into Sunday. Cold temperatures may
lead to light snow accumulations along the valley floors of western
WY by Sunday morning.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
An influx of tropical moisture will enter the region today with cold
and wet weather expected through the weekend. Min RH values are
expected to be well above criteria. Isolated showers are possible
throughout the day today. Southerly/southwesterly winds will
increase in most of the dispatch area this afternoon with periodic
gusts of 20 to 30 mph. Precipitation chances increase Saturday into
Sunday with higher elevations possibly seeing accumulating snowfall.
Gusty winds are possible Saturday into Sunday mainly in zones 283,
288, and 289 with periodic gusts of 30 to 40 mph.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
An influx of tropical moisture will enter the region today with cold
and wet weather expected through the weekend. Min RH values are
expected to be well above criteria. Isolated showers are possible
throughout the day today. Southerly/southwesterly winds will
increase in most of the dispatch area this afternoon with periodic
gusts of 20 to 30 mph. Precipitation chances increase Saturday into
Sunday with higher elevations possibly seeing accumulating snowfall.
Gusty winds are possible Saturday into Sunday mainly across most of
the dispatch area with periodic gusts of 35 to 45 mph.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-111100-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
late morning and afternoon. Slight chance of
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....66-71.
24 hr trend......8 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......400-1600 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....50-55.
24 hr trend......2 degrees warmer.
Max humidity........82-88 percent.
24 hr trend......22 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds 15 to 20 mph with gusts to around
30 mph.
Ridge top winds.....South around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......600-1600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
afternoon. Slight chance of thunderstorms late
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....68-73.
24 hr trend......2 degrees warmer.
Min humidity........43-49 percent.
24 hr trend......2 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.......800-2800 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening, then chance of showers after
midnight. Lows in the lower 40s. Southwest winds around 20 mph.
.SUNDAY...Cooler. Mostly clear. Chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 50s. West winds
around 15 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers. Lows
in the mid 30s. Highs in the mid 50s. East winds around 10 mph.
.TUESDAY...Mostly clear with slight chance of showers. Lows in
the upper 30s. Highs in the mid 60s. Southwest winds around
10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the upper
30s. Highs in the mid 60s.
.THURSDAY...Mostly sunny with slight chance of showers. Highs in
the upper 50s.
$$
WYZ283-111100-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of showers early
in the morning. Slight chance of thunderstorms
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....64-69.
24 hr trend......4 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......400-1600 ft agl until 1200, then 2000-4000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......1 degree warmer.
Max humidity........81-87 percent.
24 hr trend......22 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......600-1600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....66-71.
24 hr trend......3 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......3 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......400-2200 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Southwest winds
around 15 mph.
.SUNDAY...Cooler. Mostly clear. Chance of snow showers and slight
chance of showers. Lows in the upper 20s. Highs in the lower 50s.
West winds around 15 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers. Lows in
the lower 30s. Highs in the lower 50s. Winds generally less than
10 mph.
.TUESDAY...Mostly clear. Slight chance of showers. Lows in the
mid 30s. Highs in the upper 50s. Winds generally less than
10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the mid
30s. Highs in the lower 60s.
.THURSDAY...Partly cloudy. Chance of showers in the morning, then
slight chance of showers in the afternoon. Highs in the upper
50s.
$$
WYZ285-111100-
South Bighorn Mountains-
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of showers late in
the morning. Slight chance of thunderstorms
late in the afternoon. Chance of precipitation
20 percent.
Chance of thunder...10 percent.
Max temperature.....62-67.
24 hr trend......6 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......25 percent wetter.
20-foot winds.......South winds 10 to 15 mph with gusts to around
30 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......200-2200 ft agl until 1200, then 2200-4000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......2 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......29 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds 15 to 20 mph with gusts to around
35 mph.
Ridge top winds.....South 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......1 degree warmer.
Min humidity........43-49 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds around 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......400-2400 ft agl until 1200, then 2400-4400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Partly cloudy. Slight chance of showers
and thunderstorms in the evening, then chance of showers and
slight chance of thunderstorms after midnight. Lows in the upper
30s. Southwest winds around 20 mph.
.SUNDAY...Much cooler. Partly cloudy with chance of snow showers,
showers and slight chance of thunderstorms. Lows in the upper
20s. Highs in the mid 40s. West winds around 15 mph.
.COLUMBUS DAY...Partly cloudy. Lows in the mid 30s. Highs in the
upper 40s. East winds around 10 mph.
.TUESDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the mid 50s.
Southwest winds around 10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the upper
30s. Highs in the upper 50s.
.THURSDAY...Partly cloudy. Chance of showers and snow showers in
the morning, then slight chance of showers in the afternoon.
Highs in the lower 50s.
$$
WYZ281-111100-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of showers and thunderstorms late
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....66-71.
24 hr trend......4 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......19 percent wetter.
20-foot winds.......South winds 10 to 15 mph with gusts to around
30 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......400-1800 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....50-55.
24 hr trend......5 degrees warmer.
Max humidity........72-78 percent.
24 hr trend......15 percent wetter.
Humidity recovery...Excellent.
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.......600-1200 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......4 degrees warmer.
Min humidity........38-44 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Partly cloudy. Slight chance of showers in the
evening, then chance of showers and slight chance of
thunderstorms after midnight. Lows in the lower 40s. Southwest
winds around 15 mph.
.SUNDAY...Much cooler. Partly cloudy with showers likely. Lows
around 30. Highs in the lower 50s. North winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Lows in the mid 30s. Highs in the
mid 50s. Southeast winds around 10 mph.
.TUESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs around 60. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the upper
30s. Highs in the mid 60s.
.THURSDAY...Partly cloudy. Chance of showers in the morning, then
slight chance of showers in the afternoon. Highs in the upper
50s.
$$
WYZ282-111100-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......3 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 15 mph. Gusts up to 25 mph.
Ridge top winds.....South around 10 mph until 1200, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then around 20
mph.
Mixing Height.......400-1600 ft agl until 1200, then 2000-4000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........79-85 percent.
24 hr trend......22 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds 10 to 15 mph with gusts to around
25 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......3 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......4 percent drier.
20-foot winds.......South winds around 10 mph with higher gusts.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......400-2400 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then showers likely and
slight chance of thunderstorms after midnight. Lows in the lower
40s. Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows around 30. Highs in the lower 50s.
Northwest winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Lows in the lower 30s. Highs in
the lower 50s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear with slight chance of showers. Lows in
the mid 30s. Highs in the upper 50s. Winds generally less than
10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the mid
30s. Highs in the lower 60s.
.THURSDAY...Partly cloudy. Chance of showers in the morning, then
slight chance of showers in the afternoon. Highs in the mid 50s.
$$
WYZ275-111100-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......Unchanged.
Min humidity........41-47 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 15 mph with gusts to around 25
mph.
Ridge top winds.....South around 10 mph until 1200, then southeast
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then around 20
mph.
Mixing Height.......400-1400 ft agl until 1200, then 1800-3800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......2 degrees warmer.
Max humidity........79-85 percent.
24 hr trend......19 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southeast winds 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.....Southeast 15 to 20 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
afternoon. Slight chance of thunderstorms late
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....64-69.
24 hr trend......2 degrees warmer.
Min humidity........40-46 percent.
24 hr trend......1 percent wetter.
20-foot winds.......South winds around 10 mph with higher gusts.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......200-2200 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Chance of showers and slight chance of
thunderstorms in the evening, then showers and slight chance of
thunderstorms after midnight. Lows around 40. Southwest winds
around 15 mph.
.SUNDAY...Cooler. Partly cloudy. Showers likely and slight chance
of thunderstorms. Lows around 30. Highs in the lower 50s.
Northwest winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Lows in the lower 30s. Highs in
the lower 50s. 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. Chance of showers. Lows in the mid
30s. Highs in the lower 60s.
.THURSDAY...Partly cloudy. Chance of showers in the morning, then
slight chance of showers in the afternoon. Highs in the mid 50s.
$$
WYZ276-111100-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....65-70.
24 hr trend......1 degree cooler.
Min humidity........37-43 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph with higher gusts until
1500, then upslope/upvalley 5-9 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-1800 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......1 degree warmer.
Max humidity........70-76 percent.
24 hr trend......15 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....66-71.
24 hr trend......1 degree warmer.
Min humidity........44-50 percent.
24 hr trend......2 percent wetter.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers and slight chance of
thunderstorms. Lows in the upper 30s. West winds around 10 mph.
.SUNDAY...Much cooler. Partly cloudy. Showers likely and chance
of snow showers. Lows in the upper 20s. Highs in the upper 40s.
Northwest winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Lows in the lower 30s. Highs in
the mid 40s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 30s. Highs in the lower 50s. Winds generally less than
10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers. Lows in the mid
30s. Highs in the upper 50s.
.THURSDAY...Partly cloudy with chance of showers. Highs in the
lower 50s.
$$
WYZ287-111100-
Owl Creek Mountains-
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......4 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......22 percent wetter.
20-foot winds.......South winds 10 to 15 mph with gusts to around
30 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......200-1400 ft agl until 1200, then 1400-3400 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......1 degree cooler.
Max humidity........75-81 percent.
24 hr trend......19 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-1000 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
afternoon. Slight chance of thunderstorms late
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....61-66.
24 hr trend......2 degrees warmer.
Min humidity........46-52 percent.
24 hr trend......1 percent drier.
20-foot winds.......South winds around 10 mph with higher gusts.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-2400 ft agl until 1200, then 2400-4400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then showers, snow
showers likely and slight chance of thunderstorms after midnight.
Lows in the upper 30s. Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of snow showers and
showers. Lows in the upper 20s. Highs in the upper 40s. West
winds around 10 mph.
.COLUMBUS DAY...Mostly clear. Lows in the lower 30s. Highs in the
upper 40s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Slight chance of showers. Lows in the
mid 30s. Highs in the lower 50s. Winds generally less than
10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the mid
30s. Highs in the upper 50s.
.THURSDAY...Partly cloudy. Chance of showers in the morning, then
slight chance of showers in the afternoon. Highs around 50.
$$
WYZ286-111100-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers in the late morning
and afternoon. Slight chance of thunderstorms
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....58-63.
24 hr trend......4 degrees cooler.
Min humidity........52-58 percent.
24 hr trend......28 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the morning. Chance of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......1 degree warmer.
Max humidity........77-83 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of showers in the
morning, then showers likely and slight chance
of thunderstorms in the afternoon. Chance of
precipitation 70 percent.
Chance of thunder...20 percent.
Max temperature.....56-61.
24 hr trend......3 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......5 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.Zero percent until 1200, then 45 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers, snow showers and slight chance
of thunderstorms in the evening, then snow showers and showers
after midnight. Lows in the upper 20s. West winds around 15 mph.
.SUNDAY...Much colder. Partly cloudy. Snow showers likely. Lows
in the lower 20s. Highs in the mid 30s. West winds around 15 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of snow showers.
Lows in the upper 20s. Highs in the lower 40s. 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 THROUGH THURSDAY...Partly cloudy with chance of
showers and snow showers. Lows in the lower 30s. Highs 44 to 49.
$$
WYZ140-111100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers early in the morning.
Chance of showers early in the morning, then
slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...10 percent.
Max temperature.....57-62.
24 hr trend......6 degrees cooler.
Min humidity........51-57 percent.
24 hr trend......35 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 10 mph until 1200, then around 20
mph.
Mixing Height.......600-2600 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of thunderstorms in the evening.
Slight chance of showers until early morning.
Chance of showers after midnight. Chance of
precipitation 50 percent.
Chance of thunder...10 percent.
Min temperature.....40-45.
24 hr trend......4 degrees warmer.
Max humidity........88-94 percent.
24 hr trend......16 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent until 2400, then 10 percent.
Transport winds.....South around 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Showers likely and slight chance
of thunderstorms in the morning, then showers
and chance of thunderstorms in the afternoon.
Chance of precipitation 90 percent.
Chance of thunder...30 percent.
Max temperature.....52-57.
24 hr trend......7 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......22 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.40 percent until 1200, then 80 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers, snow showers and slight chance
of thunderstorms in the evening, then snow showers after
midnight. Lows in the mid 20s. Southwest winds around 10 mph.
.SUNDAY...Much colder. Mostly cloudy. Snow showers likely and
slight chance of thunderstorms. Lows around 19. Highs in the mid
30s. Southwest winds around 10 mph.
.COLUMBUS DAY...Not as cool. Partly cloudy. Slight chance of
showers and snow showers. Lows in the mid 20s. Highs in the mid
40s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the upper 40s. Winds generally less than 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with chance of
showers and snow showers. Lows in the upper 20s. Highs 44 to 49.
$$
WYZ415-111100-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers through the
day. Slight chance of thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....53-58.
24 hr trend......8 degrees cooler.
Min humidity........59-65 percent.
24 hr trend......38 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight 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.....38-43.
24 hr trend......1 degree warmer.
Max humidity........91-97 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
south around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 15 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Showers likely and slight chance
of thunderstorms in the morning, then showers
and chance of thunderstorms in the afternoon.
Chance of precipitation 90 percent.
Chance of thunder...40 percent.
Max temperature.....50-55.
24 hr trend......3 degrees cooler.
Min humidity........77-83 percent.
24 hr trend......15 percent wetter.
20-foot winds.......South winds around 10 mph with higher gusts.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.30 percent until 1200, then 85 percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers, snow showers and slight chance
of thunderstorms in the evening, then snow showers after
midnight. Lows in the mid 20s. Southwest winds around 10 mph.
.SUNDAY...Colder. Partly cloudy. Snow showers likely. Lows in the
lower 20s. Highs in the mid 30s. Southwest winds around 10 mph.
.COLUMBUS DAY...Not as cool. Partly cloudy. Slight chance of
showers and snow showers. Lows in the upper 20s. Highs in the
upper 40s. Southeast winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows around 30. Highs in the
upper 40s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy with showers and snow showers likely.
Lows around 30. Highs in the upper 40s.
.THURSDAY...Partly cloudy with chance of showers and snow
showers. Highs in the mid 40s.
$$
WYZ416-111100-
West Wind River Mountains/East Zone Bridger Teton NF-
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms through the day. Chance
of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....50-55.
24 hr trend......9 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......45 percent wetter.
20-foot winds.......South winds around 10 mph with higher gusts.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.15 percent until 1200, then 5 percent.
Transport winds.....South around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
evening. Slight chance of thunderstorms until
early morning. Chance of showers late in the
evening. Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....38-43.
24 hr trend......1 degree warmer.
Max humidity........92-98 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 15 mph.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of showers in the
morning. Slight chance of thunderstorms in the
late morning and afternoon. Showers likely in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....48-53.
24 hr trend......1 degree cooler.
Min humidity........74-80 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.10 percent until 1200, then 60 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers, snow showers and slight chance
of thunderstorms in the evening, then snow showers likely after
midnight. Lows in the lower 20s. Southwest winds around 15 mph.
.SUNDAY...Colder. Partly cloudy. Chance of snow showers. Lows
around 20. Highs in the lower 30s. Southwest winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the lower 40s. Southeast
winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the mid 40s. South winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with chance of
showers and snow showers. Lows in the upper 20s. Highs 43 to 48.
$$
WYZ288-111100-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....54-59.
24 hr trend......7 degrees cooler.
Min humidity........59-65 percent.
24 hr trend......37 percent wetter.
20-foot winds.......Southwest winds around 10 mph. Gusts up to 20
mph until 1200, then 30 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1800 ft agl until 1200, then 2000-4000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the evening. Slight chance of showers, then
chance of showers early in the morning. Chance
of precipitation 50 percent.
Chance of thunder...10 percent.
Min temperature.....42-47.
24 hr trend......Unchanged.
Max humidity........81-87 percent.
24 hr trend......13 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.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers through the day. Slight
chance of thunderstorms in the late morning and
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....54-59.
24 hr trend......Unchanged.
Min humidity........63-69 percent.
24 hr trend......2 percent drier.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.5 percent until 1200, then 30 percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers and slight chance of
thunderstorms in the evening, then snow showers with showers
likely after midnight. Lows in the upper 20s. Southwest winds
around 20 mph.
.SUNDAY...Colder. Partly cloudy with chance of snow showers. Lows
in the mid 20s. Highs in the upper 30s. West winds around 15 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers and
snow showers. Lows in the lower 30s. Highs in the mid 40s. 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 THROUGH THURSDAY...Partly cloudy with chance of
showers and snow showers. Lows in the lower 30s. Highs 46 to 51.
$$
WYZ414-111100-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers through the
day. Slight chance of thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....53-58.
24 hr trend......9 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......40 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.25 percent until 1200, then 10 percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers and
thunderstorms until early morning, then chance
of showers early in the morning. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....38-43.
24 hr trend......1 degree cooler.
Max humidity........91-97 percent.
24 hr trend......15 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
south around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 15 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Showers likely and slight chance
of thunderstorms in the morning, then showers
and chance of thunderstorms in the afternoon.
Chance of precipitation 90 percent.
Chance of thunder...30 percent.
Max temperature.....51-56.
24 hr trend......1 degree cooler.
Min humidity........73-79 percent.
24 hr trend......11 percent wetter.
20-foot winds.......South winds 10 to 15 mph with gusts to around
30 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.30 percent until 1200, then 85 percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers, snow showers and slight chance
of thunderstorms in the evening, then snow showers likely after
midnight. Lows in the mid 20s. West winds around 15 mph.
.SUNDAY...Colder. Partly cloudy. Chance of snow showers. Lows in
the lower 20s. Highs in the mid 30s. Southwest winds around
10 mph.
.COLUMBUS DAY...Not as cool. Partly cloudy. Slight chance of
showers and snow showers. Lows in the lower 30s. Highs in the
upper 40s. 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
around 50. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy with showers likely and chance of snow
showers. Lows in the lower 30s. Highs in the lower 50s.
.THURSDAY...Partly cloudy with chance of showers and snow
showers. Highs in the upper 40s.
$$
WYZ278-111100-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....54-59.
24 hr trend......10 degrees cooler.
Min humidity........58-64 percent.
24 hr trend......37 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then south.
Chc of wetting rain.15 percent until 1200, then zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......400-1400 ft agl until 1200, then 1800-3800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the evening. Slight chance of showers
through the night. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....39-44.
24 hr trend......1 degree cooler.
Max humidity........91-97 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers through the day. Slight
chance of thunderstorms in the late morning and
afternoon. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....56-61.
24 hr trend......3 degrees warmer.
Min humidity........62-68 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....South around 10 mph until 1200, then around 20
mph.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......400-2200 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers and slight chance of
thunderstorms in the evening, then chance of snow showers and
showers after midnight. Lows in the upper 20s. West winds around
15 mph.
.SUNDAY...Colder. Partly cloudy with slight chance of snow
showers. Lows in the lower 20s. Highs in the mid 40s. West winds
around 10 mph.
.COLUMBUS DAY...Partly cloudy. Lows in the lower 30s. Highs in
the lower 50s. East winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers,
thunderstorms and snow showers. Lows in the lower 30s. Highs in
the upper 50s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 50s.
.THURSDAY...Partly cloudy. Chance of showers and snow showers in
the morning, then slight chance of showers in the afternoon.
Highs in the lower 50s.
$$
WYZ277-111100-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....56-61.
24 hr trend......8 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......31 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 1200, then south.
Chc of wetting rain.35 percent until 1200, then 10 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......400-1600 ft agl until 1200, then 2000-4000 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until early morning. Slight chance of showers.
Chance of showers early in the morning. Chance
of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....41-46.
24 hr trend......3 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......21 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers in the morning. Slight chance
of thunderstorms through the day. Showers
likely in the afternoon. Chance of
precipitation 70 percent.
Chance of thunder...20 percent.
Max temperature.....58-63.
24 hr trend......2 degrees warmer.
Min humidity........54-60 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 20
mph until 1200, then 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.10 percent until 1200, then 25 percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......600-2600 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers and slight chance of
thunderstorms in the evening, then snow showers likely and chance
of showers after midnight. Lows in the upper 20s. West winds
around 20 mph.
.SUNDAY...Colder. Partly cloudy with slight chance of snow
showers. Lows in the lower 20s. Highs in the mid 40s. West winds
around 10 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers. Lows in
the lower 30s. Highs in the mid 50s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 30s. Highs in the upper 50s.
Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers. Lows in the lower
30s. Highs in the upper 50s.
.THURSDAY...Partly cloudy. Chance of showers and snow showers in
the morning, then slight chance of showers in the afternoon.
Highs in the mid 50s.
$$
WYZ279-111100-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Cloudy. Chance of showers and slight chance of
thunderstorms. Chance of precipitation 50
percent.
Chance of thunder...20 percent.
Max temperature.....55-60.
24 hr trend......11 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......36 percent wetter.
20-foot winds.......South winds 10 to 15 mph until 1500, then
around 20 mph. Gusts up to 30 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......400-1800 ft agl until 1200, then 2200-4000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
evening. Slight chance of thunderstorms through
the night. Chance of showers after midnight.
Chance of precipitation 50 percent.
Chance of thunder...10 percent.
Min temperature.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......17 percent wetter.
Humidity recovery...Excellent.
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.......600-2200 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms until late
afternoon. Chance of showers through the day.
Chance of thunderstorms late in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....57-62.
24 hr trend......3 degrees warmer.
Min humidity........65-71 percent.
24 hr trend......1 percent drier.
20-foot winds.......South winds 15 to 20 mph with gusts to around
30 mph.
Ridge top winds.....South 20 to 25 mph.
Chc of wetting rain.20 percent until 1200, then 10 percent.
Transport winds.....South 20 to 25 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Showers likely and slight chance of
thunderstorms in the evening, then showers, snow showers likely
and slight chance of thunderstorms after midnight. Lows in the
mid 30s. Southwest winds around 20 mph.
.SUNDAY...Cooler. Mostly clear with slight chance of snow
showers. Lows in the upper 20s. Highs in the upper 40s. West
winds around 15 mph.
.COLUMBUS DAY THROUGH TUESDAY...Partly cloudy with slight chance
of showers and thunderstorms. Lows in the upper 30s. Highs 55 to
60. South winds around 10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the mid
30s. Highs in the lower 60s.
.THURSDAY...Partly cloudy. Slight chance of showers in the
morning. Highs in the mid 50s.
$$
WYZ289-111100-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....59-64.
24 hr trend......10 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......34 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds
south around 20 mph after 1500. Gusts up to 30
mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......400-1800 ft agl until 1200, then 2200-4200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers and
thunderstorms early in the evening. Slight
chance of showers early in the morning. Chance
of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....48-53.
24 hr trend......1 degree cooler.
Max humidity........85-91 percent.
24 hr trend......19 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds 15 to 20 mph with gusts to around
35 mph.
Ridge top winds.....South around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers in the morning, then
chance of showers and slight chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....60-65.
24 hr trend......2 degrees warmer.
Min humidity........54-60 percent.
24 hr trend......2 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder, breezy. Partly cloudy. Chance of
showers and slight chance of thunderstorms in the evening, then
showers, snow showers likely and slight chance of thunderstorms
after midnight. Lows in the mid 30s. Southwest winds around
25 mph.
.SUNDAY...Cooler. Mostly clear. Slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the upper 40s. Southwest
winds around 15 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers. Lows
in the mid 30s. Highs in the mid 50s. Southeast winds around
10 mph.
.TUESDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs around 60. Southwest
winds around 10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the mid
30s. Highs in the lower 60s.
.THURSDAY...Partly cloudy. Chance of showers in the morning, then
slight chance of showers in the afternoon. Highs in the mid 50s.
$$
WYZ300-111100-
Casper Mountain-
300 AM MDT Fri Oct 10 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of showers early
in the afternoon. Slight chance of
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....60-65.
24 hr trend......8 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......25 percent wetter.
20-foot winds.......South winds around 10 mph until 1200, then
southwest. Gusts up to 20 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......400-2400 ft agl until 1200, then 2800-4400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....48-53.
24 hr trend......1 degree cooler.
Max humidity........81-87 percent.
24 hr trend......28 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds 10 to 15 mph with gusts to around
25 mph until 2400, then around 20 mph with
gusts to around 35 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 2400, then southwest
around 25 mph.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....61-66.
24 hr trend......1 degree warmer.
Min humidity........57-63 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair until 1200, then good.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Colder. Partly cloudy. Slight chance of showers
and thunderstorms in the evening, then slight chance of showers
after midnight. Lows around 40. Southwest winds around 20 mph.
.SUNDAY...Cooler. Mostly clear. Slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. Southwest
winds around 15 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers. Lows
in the upper 30s. Highs in the lower 50s. Southeast winds around
10 mph.
.TUESDAY...Mostly clear. Lows around 40. Highs in the upper 50s.
Southwest winds around 10 mph.
.WEDNESDAY...Mostly clear. Chance of showers. Lows in the upper
30s. Highs around 60.
.THURSDAY...Mostly sunny with slight chance of showers. Highs in
the lower 50s.
$$