Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
313
FNUS55 KRIW 080856
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
256 AM MDT Wed Oct 8 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Warm and dry conditions build in over the area for the next few
days. Min RH will range from around 25% in the lower elevations to
40% in the higher elevations. Winds increase slightly during the
afternoon today from the southwest at 10-15 mph with periodic gusts
of 20-25 mph. The next chance for precipitation looks to arrive by
Friday.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Warm and dry conditions build in over the area for the next few
days. Near elevated fire weather conditions may be possible today
especially in portions of zone 283, 288 and 289. Min RH will range
from 20% to 30% across the area. Winds increase during the afternoon
today from the southwest at around 10 mph with periodic gusts of 15
to 20 mph. The aforementioned zones will likely see stronger winds
of 20 to 25 mph with gusts near 30 mph at times. The next chance for
precipitation looks to arrive by Friday.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Warm and dry conditions build in over the area for the next few
days. Near elevated fire weather conditions may be possible across
much of the dispatch area with lesser chances in portions of zone
277, 278, 281 and western 279. Min RH will range from 18% to 25%
across the area. Winds increase during the afternoon today from the
southwest at around 10 mph with periodic gusts of 15 to 20 mph in
the aforementioned zones. The remaining zones will likely see
stronger winds of 20 to 25 mph with gusts near 30 to 35 mph at
times. The next chance for precipitation looks to arrive late
Thursday into early Friday.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-091100-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......10 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......6 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 1200, then around
30 mph.
Mixing Height.......400-2000 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......6 degrees warmer.
Max humidity........52-58 percent.
24 hr trend......13 percent drier.
Humidity recovery...Moderate.
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.......400-1400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......5 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......200-1800 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the upper 60s.
South winds around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs around 70.
Southwest winds around 20 mph.
.SUNDAY...Cooler. Mostly clear. Chance of showers. Lows in the
lower 30s. Highs in the mid 50s. Southwest winds around 15 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers. Lows in
the upper 30s. Highs in the upper 50s.
.TUESDAY...Mostly sunny. Highs in the lower 60s.
$$
WYZ283-091100-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......9 degrees warmer.
Min humidity........28-34 percent.
24 hr trend......13 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher gusts
until 0900, then upslope/upvalley 5-9 mph until
1500, then southwest around 10 mph with gusts
to around 30 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1600 ft agl until 1200, then 2000-4000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......3 degrees warmer.
Max humidity........61-67 percent.
24 hr trend......9 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......4 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......400-1600 ft agl until 1200, then 1600-3600 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers after
midnight. Lows in the mid 40s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
South winds around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the
upper 60s. Southwest winds around 15 mph.
.SUNDAY...Cooler. Mostly clear. Slight chance of showers. Lows in
the lower 30s. Highs in the mid 50s. West winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers. Lows in
the mid 30s. Highs in the mid 50s.
.TUESDAY...Mostly sunny with slight chance of showers. Highs in
the upper 50s.
$$
WYZ285-091100-
South Bighorn Mountains-
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....59-64.
24 hr trend......8 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......9 percent drier.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......200-1600 ft agl until 1200, then 2000-4000 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......4 degrees warmer.
Max humidity........43-49 percent.
24 hr trend......14 percent drier.
Humidity recovery...Moderate.
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.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......5 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......3 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1500, then
south. Gusts up to 15 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-2200 ft agl until 1200, then 2200-4200 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. East
winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows around 50. Highs in the mid 60s. South
winds around 15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the mid
60s. Southwest winds around 20 mph.
.SUNDAY...Cooler. Mostly clear. Chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 40s. West
winds around 15 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers. Lows
in the mid 30s. Highs in the upper 40s.
.TUESDAY...Mostly sunny. Slight chance of showers in the
afternoon. Highs in the mid 50s.
$$
WYZ281-091100-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......9 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......7 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.......400-1800 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......3 degrees warmer.
Max humidity........55-61 percent.
24 hr trend......9 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......3 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Southwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then
northwest.
Mixing Height.......200-2000 ft agl until 1200, then 2200-4200 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
South winds around 15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the mid
70s. Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers. Lows in
the lower 30s. Highs in the upper 50s. West winds around 10 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers. Lows
in the upper 30s. Highs in the mid 50s.
.TUESDAY...Mostly sunny. Highs in the mid 60s.
$$
WYZ282-091100-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......7 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......6 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.......400-1400 ft agl until 1200, then 1800-3800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......2 degrees warmer.
Max humidity........57-63 percent.
24 hr trend......11 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
south around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......5 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......200-1400 ft agl until 1200, then 1400-3400 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
South winds around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows around 40. Highs in the lower 70s.
Southwest winds around 10 mph.
.SUNDAY...Cooler. Mostly clear. Chance of showers. Lows in the
lower 30s. Highs in the mid 50s. West winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers. Lows in
the mid 30s. Highs in the mid 50s.
.TUESDAY...Mostly sunny. Highs in the lower 60s.
$$
WYZ275-091100-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....58-63.
24 hr trend......7 degrees warmer.
Min humidity........28-34 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southeast winds around 10 mph with higher
gusts.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......400-1400 ft agl until 1200, then 1600-3600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....40-45.
24 hr trend......2 degrees warmer.
Max humidity........59-65 percent.
24 hr trend......9 percent drier.
Humidity recovery...Good.
20-foot winds.......South winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......5 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the upper 40s. Highs in the lower 70s. Southeast winds around
10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the
lower 70s. South winds around 10 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers, slight
chance of thunderstorms and snow showers. Lows in the lower 30s.
Highs in the mid 50s. Northwest winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers. Lows in
the mid 30s. Highs in the lower 50s.
.TUESDAY...Mostly sunny. Slight chance of showers in the
afternoon. Highs in the upper 50s.
$$
WYZ276-091100-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......8 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......13 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-2400 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......3 degrees warmer.
Max humidity........50-56 percent.
24 hr trend......21 percent drier.
Humidity recovery...Moderate.
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.......400-1800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......3 degrees warmer.
Min humidity........28-34 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Southwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then south.
Mixing Height.......400-2200 ft agl until 1200, then 2200-4200 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the upper 40s. Highs around 70. South winds around 10 mph.
.SATURDAY...Partly cloudy with showers likely and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the upper 60s.
Southwest winds around 10 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows around 30. Highs around 50. West winds around
10 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers and
snow showers. Lows in the lower 30s. Highs in the upper 40s.
.TUESDAY...Partly cloudy with slight chance of showers. Highs in
the mid 50s.
$$
WYZ287-091100-
Owl Creek Mountains-
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....57-62.
24 hr trend......9 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......14 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-1200 ft agl until 1200, then 1600-3600 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....39-44.
24 hr trend......4 degrees warmer.
Max humidity........50-56 percent.
24 hr trend......21 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......4 degrees warmer.
Min humidity........28-34 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Southwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 15 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.......200-1400 ft agl until 1200, then 1400-3400 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the upper 40s. Highs in the mid 60s. Southwest winds around
10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the mid
60s. Southwest winds around 10 mph.
.SUNDAY...Cooler. Mostly clear. Chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 40s. West
winds around 10 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers and snow
showers. Lows in the mid 30s. Highs in the upper 40s.
.TUESDAY...Mostly sunny with slight chance of showers. Highs in
the mid 50s.
$$
WYZ286-091100-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....55-60.
24 hr trend......3 degrees warmer.
Min humidity........31-37 percent.
24 hr trend......8 percent drier.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....36-41.
24 hr trend......2 degrees warmer.
Max humidity........64-70 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming sunny.
Chance of thunder...0 percent.
Max temperature.....57-62.
24 hr trend......5 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......4 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
south. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero 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......
.THURSDAY NIGHT...Mostly clear. Slight chance of showers after
midnight. Lows around 40. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the upper 50s.
Southwest winds around 10 mph.
.SATURDAY...Showers, snow showers likely and slight chance of
thunderstorms. Lows in the upper 20s. Highs in the lower 50s.
Southwest winds around 15 mph.
.SUNDAY...Colder. Partly cloudy with chance of snow showers and
slight chance of thunderstorms. Lows in the mid 20s. Highs in the
mid 30s. West winds around 15 mph.
.COLUMBUS DAY THROUGH TUESDAY...Partly cloudy with chance of snow
showers and showers. Lows in the upper 20s. Highs 40 to 45.
$$
WYZ140-091100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......Unchanged.
Min humidity........31-37 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......1 degree warmer.
Max humidity........75-81 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......8 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Slight chance of showers after
midnight. Lows in the mid 30s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs around 60. South
winds around 10 mph.
.SATURDAY...Showers with possible snow showers and thunderstorms
likely. Lows in the mid 20s. Highs in the lower 50s. Southwest
winds around 15 mph.
.SUNDAY...Colder. Mostly cloudy with snow showers likely and
slight chance of thunderstorms. Lows in the lower 20s. Highs in
the mid 30s. Southwest winds around 10 mph.
.COLUMBUS DAY THROUGH TUESDAY...Partly cloudy with chance of
showers and snow showers. Lows in the mid 20s. Highs 40 to 45.
$$
WYZ415-091100-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......2 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......3 degrees warmer.
Max humidity........66-72 percent.
24 hr trend......11 percent drier.
Humidity recovery...Good.
20-foot winds.......South winds around 10 mph until 2400, then
southeast until 0300, then downslope/downvalley
4-7 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......7 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......7 percent drier.
20-foot winds.......Southeast winds around 10 mph until 1200, then
south. 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.......800-2800 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers after
midnight. Lows in the upper 30s. Southeast winds around 10 mph.
.FRIDAY...Partly cloudy with showers likely and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the upper 50s.
South winds around 10 mph.
.SATURDAY...Showers with possible snow showers and thunderstorms
likely. Lows in the upper 20s. Highs around 50. Southwest winds
around 10 mph.
.SUNDAY...Colder. Mostly cloudy. Snow showers likely and slight
chance of thunderstorms. Lows in the lower 20s. Highs in the mid
30s. Southwest winds around 10 mph.
.COLUMBUS DAY...Partly cloudy with chance of snow showers and
showers. Lows in the upper 20s. Highs in the lower 40s.
.TUESDAY...Partly cloudy. Chance of showers and snow showers in
the morning, then chance of showers, snow showers and slight
chance of thunderstorms in the afternoon. Highs in the mid 40s.
$$
WYZ416-091100-
West Wind River Mountains/East Zone Bridger Teton NF-
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......3 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......4 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......13 percent drier.
Humidity recovery...Good.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....55-60.
24 hr trend......6 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph. Gusts up to 25 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers after
midnight. Lows in the upper 30s. Winds generally less than
10 mph.
.FRIDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the lower 50s.
South winds around 10 mph.
.SATURDAY...Mostly cloudy with showers, snow showers likely and
chance of thunderstorms. Lows in the mid 20s. Highs in the upper
40s. Southwest winds around 15 mph.
.SUNDAY...Colder. Partly cloudy. Chance of snow showers and
slight chance of thunderstorms. Lows in the lower 20s. Highs in
the mid 30s. Southwest winds around 10 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers and
snow showers. Lows in the upper 20s. Highs around 40.
.TUESDAY...Partly cloudy. Chance of snow showers and slight
chance of showers in the morning, then chance of showers and snow
showers in the afternoon. Highs in the lower 40s.
$$
WYZ288-091100-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....54-59.
24 hr trend......4 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......5 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 1200, then around
30 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....36-41.
24 hr trend......3 degrees warmer.
Max humidity........53-59 percent.
24 hr trend......15 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 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.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....58-63.
24 hr trend......5 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers after
midnight. Lows in the lower 40s. Winds generally less than
10 mph.
.FRIDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the upper 50s.
Southwest winds around 10 mph.
.SATURDAY...Mostly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows around 30. Highs in the
lower 50s. Southwest winds around 15 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 THROUGH TUESDAY...Partly cloudy with chance of snow
showers and slight chance of showers. Lows in the lower 30s.
Highs 42 to 47.
$$
WYZ414-091100-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......3 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......4 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......15 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
south around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......7 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......3 percent drier.
20-foot winds.......South winds around 10 mph with gusts to around
25 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers after
midnight. Lows in the lower 40s. Winds generally less than
10 mph.
.FRIDAY...Mostly cloudy with showers likely and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the upper 50s.
South winds around 10 mph.
.SATURDAY...Showers with possible snow showers and thunderstorms
likely. Lows in the upper 20s. Highs in the lower 50s. Southwest
winds around 10 mph.
.SUNDAY...Colder. Partly cloudy. Chance of snow showers and
slight chance of thunderstorms. Lows in the mid 20s. Highs in the
upper 30s. Southwest winds around 10 mph.
.COLUMBUS DAY THROUGH TUESDAY...Partly cloudy with chance of
showers and snow showers. Lows around 30. Highs 43 to 48.
$$
WYZ278-091100-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....56-61.
24 hr trend......6 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with higher gusts.
Ridge top winds.....Northwest around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......400-1800 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......3 degrees warmer.
Max humidity........63-69 percent.
24 hr trend......8 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then
southeast.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......6 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....East around 10 mph until 1200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......200-1800 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers after
midnight. Lows around 40. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
Winds generally less than 10 mph.
.SATURDAY...Mostly cloudy with chance of showers, thunderstorms
and snow showers. Lows in the upper 20s. Highs in the upper 50s.
Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with slight chance of snow
showers. Lows in the mid 20s. Highs in the mid 40s. West winds
around 10 mph.
.COLUMBUS DAY THROUGH TUESDAY...Partly cloudy with slight chance
of showers and snow showers. Lows around 30. Highs 50 to 55.
$$
WYZ277-091100-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....58-63.
24 hr trend......6 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 25 mph.
Mixing Height.......200-1800 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......2 degrees warmer.
Max humidity........53-59 percent.
24 hr trend......12 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds around 10 mph and gusty until
2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......6 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....East around 10 mph until 1200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-2400 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers in the
evening, then chance of showers after midnight. Lows in the lower
40s. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
Winds generally less than 10 mph.
.SATURDAY...Showers likely, chance of thunderstorms and snow
showers. Lows in the upper 20s. Highs in the upper 50s. West
winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with slight chance of showers and
snow showers. Lows in the mid 20s. Highs in the mid 40s. West
winds around 10 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers and
snow showers. Lows in the lower 30s. Highs in the lower 50s.
.TUESDAY...Partly cloudy with slight chance of showers. Highs in
the mid 50s.
$$
WYZ279-091100-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......8 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds
southwest around 20 mph after 1500. Gusts up to
30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
25 mph.
Mixing Height.......400-2000 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......4 degrees warmer.
Max humidity........54-60 percent.
24 hr trend......9 percent drier.
Humidity recovery...Moderate.
20-foot winds.......South winds around 10 mph. Gusts up to 25 mph
until 2400, then 15 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....64-69.
24 hr trend......4 degrees warmer.
Min humidity........35-41 percent.
24 hr trend......10 percent wetter.
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 15 to 20 mph.
Mixing Height.......400-2400 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly cloudy. Slight chance of showers in the
evening, then chance of showers and slight chance of
thunderstorms after midnight. Lows in the mid 40s. South winds
around 10 mph.
.FRIDAY...Mostly cloudy with showers likely and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s. South
winds around 10 mph.
.SATURDAY...Partly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the mid 30s. Highs in the lower 60s.
Southwest winds around 20 mph.
.SUNDAY...Cooler. Mostly clear with chance of showers and slight
chance of snow showers. Lows around 30. Highs around 50. West
winds around 10 mph.
.COLUMBUS DAY THROUGH TUESDAY...Partly cloudy with slight chance
of showers and thunderstorms. Lows in the mid 30s. Highs 54 to
59.
$$
WYZ289-091100-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......8 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......7 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1200, then
around 20 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
25 mph.
Mixing Height.......400-1800 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....39-44.
24 hr trend......4 degrees warmer.
Max humidity........47-53 percent.
24 hr trend......8 percent drier.
Humidity recovery...Moderate.
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.......400-1400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......5 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......200-1600 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Chance of showers after
midnight. Lows in the mid 40s. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
South winds around 15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the mid 30s. Highs in the lower
60s. Southwest winds around 20 mph.
.SUNDAY...Cooler. Mostly clear. Chance of showers and snow
showers. Lows around 30. Highs in the upper 40s. Southwest winds
around 15 mph.
.COLUMBUS DAY...Partly cloudy with slight chance of showers and
snow showers. Lows in the mid 30s. Highs in the mid 50s.
.TUESDAY...Partly cloudy with slight chance of showers. Highs in
the upper 50s.
$$
WYZ300-091100-
Casper Mountain-
256 AM MDT Wed Oct 8 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......10 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......7 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 1200, then around
30 mph.
Mixing Height.......200-2200 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......9 degrees warmer.
Max humidity........41-47 percent.
24 hr trend......20 percent drier.
Humidity recovery...Moderate.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......5 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......5 percent wetter.
20-foot winds.......South winds around 10 mph until 1200, then
southwest until 1500, then upslope/upvalley 5-9
mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly cloudy with chance of showers. Lows in the upper
40s. Highs in the lower 60s. South winds around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the
lower 60s. Southwest winds around 20 mph.
.SUNDAY...Cooler. Mostly clear. Slight chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 40s. Southwest
winds around 15 mph.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers. Lows in
the upper 30s. Highs in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the mid 50s.
$$