Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
706
FNUS55 KRIW 070841
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
241 AM MDT Tue Oct 7 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
High pressure builds in across the region leading to mostly clear
skies along with dry conditions over the dispatch area for the next
few days. Winds are expected to be light with min RH values
remaining around to slightly above 30 percent. The next chance for
precipitation does not arrive until the end of the week.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
High pressure builds in across the region leading to mostly clear
skies along with dry conditions over the dispatch area for the next
few days. Winds are expected to be light with min RH values
remaining around to slightly above 35 percent. The next chance for
precipitation does not arrive until the end of the week.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
High pressure builds in across the region leading to mostly clear
skies along with dry conditions over the dispatch area for the next
few days. Winds are expected to be light with min RH values
remaining around to slightly above 25 percent. The next chance for
precipitation does not arrive until the end of the week.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-081045-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
241 AM MDT Tue Oct 7 2025
...FREEZE WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....54-59.
24 hr trend......7 degrees warmer.
Min humidity........33-39 percent.
24 hr trend......19 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2600-4400 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......7 degrees warmer.
Max humidity........63-69 percent.
24 hr trend......21 percent drier.
Humidity recovery...Good.
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.....South around 15 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......13 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......10 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 40s. Southwest winds
around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Southwest winds around 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 around 40. Highs in the lower 70s.
Southwest winds around 20 mph.
.SUNDAY...Cooler. Partly cloudy with slight chance of showers and
snow showers. Lows in the lower 30s. Highs in the mid 50s.
.COLUMBUS DAY...Partly cloudy. Highs in the mid 50s.
$$
WYZ283-081045-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
241 AM MDT Tue Oct 7 2025
...FREEZE WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......5 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....South around 10 mph until 1200, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......3 degrees warmer.
Max humidity........67-73 percent.
24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, 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.......400-1600 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......12 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......11 percent drier.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-1800 ft agl until 1200, then 2000-4000 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the upper 30s. Winds generally
less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs around 70.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 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
upper 60s. Southwest winds around 15 mph.
.SUNDAY...Cooler. Mostly clear with chance of snow showers,
slight chance of showers and thunderstorms. Lows in the upper
20s. Highs in the mid 50s.
.COLUMBUS DAY...Partly cloudy. Highs in the lower 50s.
$$
WYZ285-081045-
South Bighorn Mountains-
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......8 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......22 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....36-41.
24 hr trend......7 degrees warmer.
Max humidity........54-60 percent.
24 hr trend......34 percent drier.
Humidity recovery...Moderate.
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.......200-1000 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....59-64.
24 hr trend......10 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......13 percent drier.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 40s. Southwest winds
around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
60s. South winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the mid 60s. South winds
around 15 mph.
.SATURDAY...Partly cloudy. 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. Partly cloudy with chance of showers, snow
showers and slight chance of thunderstorms. Lows around 30. Highs
in the upper 40s.
.COLUMBUS DAY...Partly cloudy. Slight chance of snow showers in
the morning. Highs in the mid 40s.
$$
WYZ281-081045-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
241 AM MDT Tue Oct 7 2025
...FREEZE WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......7 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......22 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-2200 ft agl until 1200, then 3000-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......7 degrees warmer.
Max humidity........60-66 percent.
24 hr trend......20 percent drier.
Humidity recovery...Good.
20-foot winds.......South winds 10 to 15 mph with gusts to around
25 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......12 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......8 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.......400-2000 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows around 40. Winds generally less
than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s. South winds around 15 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 40. Highs in the mid 70s. Southwest
winds around 15 mph.
.SUNDAY...Much cooler. Partly cloudy with slight chance of
showers, thunderstorms and snow showers. Lows in the lower 30s.
Highs in the mid 50s.
.COLUMBUS DAY...Partly cloudy. Highs in the mid 50s.
$$
WYZ282-081045-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
241 AM MDT Tue Oct 7 2025
...FREEZE WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....50-55.
24 hr trend......8 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southeast around 10 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.......400-1800 ft agl until 1200, then 2200-3800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......4 degrees warmer.
Max humidity........66-72 percent.
24 hr trend......19 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
south around 10 mph until 0300, 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.......400-1200 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......11 degrees warmer.
Min humidity........26-32 percent.
24 hr trend......12 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.......200-1600 ft agl until 1200, then 1800-3800 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows around 40. Winds generally less
than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. South winds around 10 mph.
.SATURDAY...Mostly clear. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the lower 70s.
Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with slight chance of showers,
thunderstorms and snow showers. Lows in the lower 30s. Highs in
the mid 50s.
.COLUMBUS DAY...Partly cloudy. Highs in the lower 50s.
$$
WYZ275-081045-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
241 AM MDT Tue Oct 7 2025
...FREEZE WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......6 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......15 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......4 degrees warmer.
Max humidity........64-70 percent.
24 hr trend......19 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast winds around 10 mph and gusty.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....59-64.
24 hr trend......10 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......10 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.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows around 40. Winds generally less
than 10 mph.
.THURSDAY...Clear. Lows in the mid 40s. Highs in the lower 70s.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid
70s. Southeast winds around 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the lower 70s.
Southwest winds around 15 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.
.COLUMBUS DAY...Partly cloudy. Slight chance of showers and snow
showers in the morning. Highs in the lower 50s.
$$
WYZ276-081045-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
241 AM MDT Tue Oct 7 2025
...FREEZE WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......7 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......6 degrees warmer.
Max humidity........58-64 percent.
24 hr trend......30 percent drier.
Humidity recovery...Good.
20-foot winds.......South winds around 10 mph until 2400, then
southwest. 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.......400-1600 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......10 degrees warmer.
Min humidity........28-34 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.......600-2600 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. Southwest
winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. South winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 40s. Highs around 70. South winds around 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the mid 60s. West
winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers, snow
showers and slight chance of thunderstorms. Lows around 30. Highs
in the upper 40s.
.COLUMBUS DAY...Partly cloudy with slight chance of showers and
snow showers. Highs in the upper 40s.
$$
WYZ287-081045-
Owl Creek Mountains-
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......7 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......16 percent drier.
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.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......4 degrees warmer.
Max humidity........63-69 percent.
24 hr trend......30 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-800 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....57-62.
24 hr trend......11 degrees warmer.
Min humidity........33-39 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.......200-1400 ft agl until 1200, then 1600-3600 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 40s. Southwest winds
around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
60s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
Southwest winds around 10 mph.
.SATURDAY...Partly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 30s. Highs in
the mid 60s. Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of snow showers,
slight chance of showers and thunderstorms. Lows around 30. Highs
in the upper 40s.
.COLUMBUS DAY...Partly cloudy. Slight chance of snow showers in
the morning, then slight chance of showers and snow showers in
the afternoon. Highs in the mid 40s.
$$
WYZ286-081045-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......7 degrees warmer.
Min humidity........42-48 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....West around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......6 degrees warmer.
Max humidity........63-69 percent.
24 hr trend......24 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
west 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....54-59.
24 hr trend......5 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......11 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 around 20 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 30s. West winds around
10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 50s. Southwest winds around 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.
West winds around 20 mph.
.SUNDAY...Colder. Partly cloudy with chance of snow showers and
slight chance of thunderstorms. Lows in the mid 20s. Highs in the
upper 30s.
.COLUMBUS DAY...Partly cloudy with chance of snow showers. Highs
in the upper 30s.
$$
WYZ140-081045-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......7 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 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.......400-2000 ft agl until 1200, then 2200-4200 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....25-30.
24 hr trend......3 degrees warmer.
Max humidity........75-81 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
south around 10 mph. Gusts up to 15 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.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....54-59.
24 hr trend......3 degrees warmer.
Min humidity........32-38 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph with gusts to around 30
mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows around 30. Winds generally less
than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
60s. 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...Cooler. Showers, snow showers likely and slight
chance of thunderstorms. Lows in the mid 20s. Highs in the upper
40s. Southwest winds around 15 mph.
.SUNDAY...Colder. Mostly cloudy with snow showers likely and
slight chance of thunderstorms. Lows around 20. Highs in the mid
30s.
.COLUMBUS DAY...Mostly cloudy. Chance of snow showers in the
morning, then slight chance of snow showers in the afternoon.
Highs in the upper 30s.
$$
WYZ415-081045-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......6 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southeast around 5 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 5 mph until 1200, then south.
Mixing Height.......400-2000 ft agl until 1200, then 2000-4000 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......3 degrees warmer.
Max humidity........74-80 percent.
24 hr trend......18 percent drier.
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.......400-1600 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......6 degrees warmer.
Min humidity........35-41 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 25 mph.
Ridge top winds.....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.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 30s. South winds
around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers. Lows in the
upper 30s. Highs in the lower 60s. Southeast winds around 10 mph.
.FRIDAY...Partly cloudy with showers likely and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
South winds around 10 mph.
.SATURDAY...Cooler. Showers with possible snow showers and
thunderstorms likely. Lows in the upper 20s. Highs in the upper
40s. Southwest winds around 15 mph.
.SUNDAY...Colder. Mostly cloudy. Chance of snow showers and
slight chance of thunderstorms. Lows in the lower 20s. Highs in
the mid 30s.
.COLUMBUS DAY...Partly cloudy. Chance of snow showers in the
morning, then chance of snow showers and slight chance of showers
in the afternoon. Highs in the upper 30s.
$$
WYZ416-081045-
West Wind River Mountains/East Zone Bridger Teton NF-
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......4 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then south.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......5 degrees warmer.
Max humidity........66-72 percent.
24 hr trend......24 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......200-1200 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....50-55.
24 hr trend......6 degrees warmer.
Min humidity........38-44 percent.
24 hr trend......7 percent drier.
20-foot winds.......Southwest winds 10 to 15 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.......1600-3600 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 30s. Southwest winds
around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers. Lows in the
mid 30s. Highs in the mid 50s. South winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the mid 50s. South
winds around 10 mph.
.SATURDAY...Mostly cloudy with showers likely with possible snow
showers and 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 around 20. Highs in the mid
30s.
.COLUMBUS DAY...Partly cloudy with slight chance of snow showers.
Highs in the upper 30s.
$$
WYZ288-081045-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......5 degrees warmer.
Min humidity........40-46 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......6 degrees warmer.
Max humidity........57-63 percent.
24 hr trend......32 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 20
mph until 2400, then 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.......200-1400 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......7 degrees warmer.
Min humidity........38-44 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southwest winds around 15 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 30s. Southwest winds
around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers. Lows in the
lower 40s. Highs in the upper 50s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the mid 50s.
Southwest winds around 10 mph.
.SATURDAY...Partly cloudy with showers likely with possible snow
showers and thunderstorms. Lows around 30. Highs in the lower
50s. Southwest winds around 20 mph.
.SUNDAY...Colder. Partly cloudy with chance of snow showers and
slight chance of thunderstorms. Lows in the mid 20s. Highs around
40.
.COLUMBUS DAY...Partly cloudy with slight chance of snow showers.
Highs around 40.
$$
WYZ414-081045-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....48-53.
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. Gusts up to 10 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2400-4400 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......4 degrees warmer.
Max humidity........72-78 percent.
24 hr trend......20 percent drier.
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.......400-2000 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....55-60.
24 hr trend......6 degrees warmer.
Min humidity........30-36 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, 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 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 30s. South winds around
10 mph.
.THURSDAY...Mostly clear. Slight chance of showers. Lows around
40. Highs in the lower 60s. Southeast winds around 10 mph.
.FRIDAY...Showers likely and slight chance of thunderstorms. Lows
around 40. Highs in the upper 50s. South winds around 10 mph.
.SATURDAY...Mostly cloudy with showers, chance of thunderstorms
and snow showers. Lows in the upper 20s. Highs around 50.
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 upper 30s.
.COLUMBUS DAY...Partly cloudy. Slight chance of snow showers in
the morning, then slight chance of showers and snow showers in
the afternoon. Highs in the lower 40s.
$$
WYZ278-081045-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......4 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....North around 10 mph until 1200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1200, then south.
Mixing Height.......400-2000 ft agl until 1200, then 2600-4200 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......3 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
mph.
Ridge top winds.....Southeast around 10 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 2400, then
northeast.
Mixing Height.......800-2800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....57-62.
24 hr trend......10 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....Northwest around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......200-2000 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor until 1200, then fair to good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 30s. Winds generally
less than 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the mid 60s.
South winds around 10 mph.
.SATURDAY...Partly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the upper 50s. West winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with slight chance of
thunderstorms, snow showers and showers. Lows in the lower 20s.
Highs in the mid 40s.
.COLUMBUS DAY...Partly cloudy. Highs in the upper 40s.
$$
WYZ277-081045-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....50-55.
24 hr trend......5 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 1200, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then south.
Mixing Height.......400-2200 ft agl until 1200, then 2400-4400 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......3 degrees warmer.
Max humidity........69-75 percent.
24 hr trend......7 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
mph.
Ridge top winds.....East around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph.
Mixing Height.......800-2800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....59-64.
24 hr trend......10 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph with higher gusts.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......200-2200 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers. Lows around
40. Highs in the upper 60s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. South
winds around 10 mph.
.SATURDAY...Partly cloudy with showers likely with possible snow
showers and thunderstorms. Lows around 30. Highs in the upper
50s. West winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with slight chance of showers,
thunderstorms and snow showers. Lows in the mid 20s. Highs in the
mid 40s.
.COLUMBUS DAY...Partly cloudy. Highs in the upper 40s.
$$
WYZ279-081045-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
241 AM MDT Tue Oct 7 2025
...FREEZE WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....52-57.
24 hr trend......5 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Southeast 5 to 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East around 5 mph until 1200, then south.
Mixing Height.......400-2000 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......5 degrees warmer.
Max humidity........61-67 percent.
24 hr trend......15 percent drier.
Humidity recovery...Good.
20-foot winds.......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.......800-2800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......11 degrees warmer.
Min humidity........27-33 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.....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.......400-2400 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the upper 30s. South winds
around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers. Lows in the
mid 40s. Highs around 70. South winds around 10 mph.
.FRIDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 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. Partly cloudy with slight chance of showers,
thunderstorms and snow showers. Lows in the upper 20s. Highs in
the upper 40s.
.COLUMBUS DAY...Mostly sunny. Highs in the lower 50s.
$$
WYZ289-081045-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
241 AM MDT Tue Oct 7 2025
...FREEZE WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....50-55.
24 hr trend......5 degrees warmer.
Min humidity........28-34 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......200-2200 ft agl until 1200, then 2600-4200 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......6 degrees warmer.
Max humidity........55-61 percent.
24 hr trend......27 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.....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.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....62-67.
24 hr trend......11 degrees warmer.
Min humidity........23-29 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 35 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then around
25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 1200, then around
30 mph.
Mixing Height.......400-2400 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the upper 30s. Southwest winds
around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers. Lows in the
mid 40s. Highs around 70. South winds around 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, snow 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 with slight chance of showers,
thunderstorms and snow showers. Lows in the upper 20s. Highs
around 50.
.COLUMBUS DAY...Mostly sunny. Highs in the lower 50s.
$$
WYZ300-081045-
Casper Mountain-
241 AM MDT Tue Oct 7 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......9 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......31 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......200-2200 ft agl until 1200, then 2400-4000 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......9 degrees warmer.
Max humidity........60-66 percent.
24 hr trend......22 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
south 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 15 to 20 mph.
Mixing Height.......200-1000 ft agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......12 degrees warmer.
Min humidity........29-35 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 around 20 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 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 40s. Southwest winds
around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. South winds around 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 with slight chance of showers and
snow showers. Lows in the lower 30s. Highs in the upper 40s.
.COLUMBUS DAY...Mostly sunny. Highs in the upper 40s.
$$