Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
217 PM MST Mon Dec 1 2025
MTZ056-066-022130-
/O.NEW.KBYZ.WW.Y.0038.251203T0000Z-251203T1200Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of Red Lodge, Roscoe, McLeod, Roberts,
Fishtail, and Nye
217 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM TUESDAY TO 5 AM MST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches,
with locally higher totals possible.
* WHERE...Beartooth Foothills and Red Lodge Foothills.
* WHEN...From 5 PM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Tuesday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
217 PM MST Mon Dec 1 2025
MTZ036-037-057-058-138-022130-
/O.NEW.KBYZ.WW.Y.0038.251202T1200Z-251203T1200Z/
Powder River-Carter-Northern Big Horn-Southern Rosebud-Southern
Big Horn-
Including the locations of Busby, Hardin, Birney, Lodge Grass, Crow
Agency, Broadus, Lame Deer, Pryor, Belltower, Alzada, Hammond,
Powderville, Ashland, Biddle, Sonnette, Ekalaka, and Wyola
217 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST
WEDNESDAY...
* WHAT...Periods of snow expected. Total snow accumulations up to 4
inches, greatest over the higher hills. Locally higher totals in
the Wolf Mountains. Winds gusting as high as 30 mph.
* WHERE...Northern Big Horn, Southern Big Horn, Carter, Powder River,
and Southern Rosebud.
* WHEN...From 5 AM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Tuesday morning and evening commutes.
* ADDITIONAL DETAILS...Wet or slushy surfaces will likely freeze
Tuesday evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
217 PM MST Mon Dec 1 2025
MTZ169-WYZ199-022130-
/O.NEW.KBYZ.WW.Y.0038.251203T0000Z-251203T1200Z/
Bighorn Canyon-Sheridan Foothills-
Including the locations of Clearmont, Fort Smith, Big Horn, Dayton,
Ranchester, and Sheridan
217 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM TUESDAY TO 5 AM MST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations up to 3 inches,
greatest over the higher hills and near the Bighorn Mountains.
Winds gusting as high as 30 mph.
* WHERE...In Montana, Bighorn Canyon. In Wyoming, Sheridan Foothills.
* WHEN...From 5 PM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Tuesday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Palmquist
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
217 PM MST Mon Dec 1 2025
MTZ171-022130-
/O.NEW.KBYZ.WW.Y.0038.251202T1800Z-251203T1200Z/
Pryor/Northern Bighorn Mountains-
217 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 5 AM MST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 5 and 9
inches. Winds gusting as high as 30 mph.
* WHERE...Pryor/Northern Bighorn Mountains.
* WHEN...From 11 AM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Recreation in the high country will be impacted by
accumulating snow and blowing snow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for winter weather.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1246 PM MST Mon Dec 1 2025
MTZ301-307-021100-
/O.CON.KTFX.WW.Y.0051.251202T0000Z-251203T0600Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Marias Pass, Kiowa, Babb,
Saint Mary, Logan Pass, Rogers Pass, and East Glacier Park
1246 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 11 PM MST TUESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 5
inches. Winds gusting as high as 50 mph.
* WHERE...The Continental Divide along the Rocky Mountain Front.
* WHEN...From 5 PM this afternoon to 11 PM MST Tuesday.
* IMPACTS...Plan on slippery road conditions. Localized blowing snow
could significantly reduce visibility. Very strong winds could
cause extensive tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1246 PM MST Mon Dec 1 2025
MTZ311-021100-
/O.EXA.KTFX.WW.Y.0051.251202T1200Z-251203T1200Z/
Bears Paw Mountains and Southern Blaine-
Including the following locations: Rocky Boy
1246 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches in
the Bears Paw Mountains with up to an inch expected in the rest of
Southern Blaine County.
* WHERE...Bears Paw Mountains and Southern Blaine.
* WHEN...From 5 AM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1246 PM MST Mon Dec 1 2025
MTZ312>316-319-021100-
/O.CON.KTFX.WW.Y.0051.251202T1200Z-251203T1200Z/
Cascade County below 5000ft-Judith Basin County and Judith Gap-
Fergus County below 4500ft-Upper Blackfoot and MacDonald Pass-
Gates of the Mountains-Helena Valley-
Including the following locations: Stanford, Canyon Creek,
MacDonald Pass, Geyser, Helena, Lewistown, Wolf Creek, Flesher
Pass, Benchland, Moccasin, Great Falls, Lincoln, Craig,
Raynesford, Hobson, Marysville, Hilger, and Windham
1246 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TUESDAY TO 5
AM MST WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations of 2 to 4 inches.
* WHERE...Portions of central and north central Montana.
* WHEN...From 5 AM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Tuesday morning and evening commutes.
* ADDITIONAL DETAILS...Up to 6 inches of snow is expected along US
Highway 87 between Belt and Geyser.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
&&
$$
IG
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1246 PM MST Mon Dec 1 2025
MTZ317-318-320-330-021100-
/O.CON.KTFX.WW.Y.0051.251202T0600Z-251203T1200Z/
Little Belt and Highwood Mountains-Snowy and Judith Mountains-Big
Belt, Bridger and Castle Mountains-Gallatin and Madison County
Mountains and Centennial Mountains-
Including the following locations: Kings Hill Pass, Monarch, West
Yellowstone, Big Sky, Maudlow, Neihart, Trident, Raynolds Pass,
Targhee Pass, Battle Ridge Pass, Deep Creek Pass, and Bozeman
Pass
1246 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 AM MST WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations will range from 2
to 6 inches across the lower elevations to 6 to 11 inches over the
passes and higher terrain. Winds gusting as high as 40 mph.
* WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains,
Big Belt, Bridger and Castle Mountains, and Gallatin and Madison
County Mountains and Centennial Mountains.
* WHEN...From 11 PM this evening to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions and periods of lower
visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1246 PM MST Mon Dec 1 2025
MTZ327-021100-
/O.EXA.KTFX.WW.Y.0051.251202T0000Z-251203T0600Z/
Northwest Beaverhead County-
Including the following locations: Chief Joseph Pass, Big Hole
Pass, Wise River, Dewey, and Wisdom
1246 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11
PM MST TUESDAY...
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches.
* WHERE...Northwest Beaverhead County.
* WHEN...From 5 PM this afternoon to 11 PM MST Tuesday.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025
IDZ006-021845-
/O.CON.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Southern Clearwater Mountains-
1045 AM PST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 4 PM PST TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations up to 7 inches
for Lolo Pass. 1 to 2 inches for the lower elevations along
Highway 12.
* WHERE...Highway 12 Lowell to Lolo Pass, Dixie, and Elk City.
* WHEN...From 7 PM this evening to 4 PM PST Tuesday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. The hazardous conditions could impact the
Tuesday morning commute, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025
MTZ001-021845-
/O.CON.KMSO.WW.Y.0045.251201T2000Z-251202T1900Z/
Kootenai/Cabinet Region-
1145 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST
TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations between 2 and 5
inches. Daytime melting combined with sub-freezing temperatures
expected after dark will create a potential for black ice.
Conditions will become slicker tonight.
* WHERE...Highway 56 Bull Lake Road, Highway 37 Eureka to Libby,
Highway 93 Eureka to Whitefish, and Highway 2 Kalispell to Libby.
* WHEN...Until noon MST Tuesday.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. For MODERATE winter weather
impacts, expect disruptions to normal activities. Use caution
while driving. Winter traveling conditions. The hazardous
conditions could impact the Monday evening and Tuesday morning
commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025
MTZ002-043-021845-
/O.CON.KMSO.WW.Y.0045.251201T2100Z-251203T0000Z/
West Glacier Region-Potomac/Seeley Lake Region-
1145 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 5 PM MST TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations between 3 and 7
inches, except up to 10 inches in the Seeley-Swan Valley. Daytime
melting combined with sub-freezing temperatures expected after
dark will create a potential for black ice.
* WHERE...Bad Rock Canyon, Polebridge, I-90 East Missoula to
Bearmouth, Highway 83 Bigfork to Swan Lake, Marias Pass, Highway
83 Seeley Lake to Condon, Highway 200 Bonner to Greenough, Glacier
National Park, and Essex.
* WHEN...From 2 PM this afternoon to 5 PM MST Tuesday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Monday
evening and Tuesday morning commutes, especially over higher
passes.
* ADDITIONAL DETAILS...Between 10 and 16 inches of total snow
accumulation is possible in the Mission and Swan Ranges, while the
Whitefish and Lewis Ranges could receive 5 to 10 inches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025
MTZ003-021845-
/O.CON.KMSO.WW.Y.0045.251201T2100Z-251202T1900Z/
Flathead/Mission Valleys-
1145 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO NOON MST TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations between 2 and 5
inches, except 5 to 8 inches Bigfork to Many Lakes Region. Daytime
melting combined with sub-freezing temperatures expected after
dark will create a potential for black ice.
* WHERE...Mission Valley, Flathead Valley, Polson, and Flathead Lake.
* WHEN...From 2 PM this afternoon to noon MST Tuesday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Monday
evening and Tuesday morning commutes, especially over higher
passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025
MTZ004-021845-
/O.CON.KMSO.WW.Y.0045.251201T2100Z-251202T1900Z/
Lower Clark Fork Region-
1145 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO NOON MST TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations between 2 and 5
inches. Daytime melting combined with sub-freezing temperatures
expected after dark will create a potential for black ice.
* WHERE...I-90 Lookout Pass to Haugan, Highway 200 Trout Creek to
Heron, Evaro Hill, and Highway 200 Thompson Falls to Plains.
* WHEN...From 2 PM this afternoon to noon MST Tuesday.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. For MODERATE winter weather
impacts, expect disruptions to normal activities. Use caution
while driving. Winter traveling conditions. The hazardous
conditions could impact the Monday evening and Tuesday morning
commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025
MTZ005-021845-
/O.CON.KMSO.WW.Y.0045.251202T0300Z-251202T2100Z/
Missoula/Bitterroot Valleys-
1145 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 2 PM MST TUESDAY...
* WHAT...Snow expected. There is a chance of minor winter weather
impacts. Total snow accumulations 1 to 4 inches. Daytime melting
combined with sub-freezing temperatures expected after dark will
create a potential for black ice. The Tuesday morning commute
could be impacted with slick snow covered roads.
* WHERE...Bitterroot Valley and Missoula.
* WHEN...From 8 PM this evening to 2 PM MST Tuesday.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. Use caution while driving.
Winter traveling conditions. The hazardous conditions could impact
the Tuesday morning commute, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025
MTZ006-021845-
/O.CON.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Bitterroot/Sapphire Mountains-
1145 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 5 PM MST TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations 4 to 7 inches.
* WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass.
* WHEN...From 8 PM this evening to 5 PM MST Tuesday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Tuesday
morning and evening commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Mon Dec 1 2025
MTZ007-021845-
/O.EXA.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Butte/Blackfoot Region-
1145 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM
MST TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations of 1 to 2 inches
for valleys including Butte. 3 to 5 inches for Homestake Pass,
MacDonald Pass and in the vicinity of Georgetown Lake.
* WHERE...Highway 12 Garrison to Elliston, Georgetown Lake, Butte,
Homestake Pass, and MacDonald Pass.
* WHEN...From 8 PM this evening to 5 PM MST Tuesday.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. Use caution while driving.
Winter traveling conditions. The hazardous conditions could impact
the Tuesday morning and evening commutes, especially over higher
passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
655 PM MST Mon Dec 1 2025
MTZ065-066-021200-
/O.NEW.KBYZ.WI.Y.0020.251202T0155Z-251202T1200Z/
Livingston Area-Beartooth Foothills-
Including the locations of Livingston, Mc Leod, Limestone, Fishtail,
Nye, and Dean
655 PM MST Mon Dec 1 2025
...WIND ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY...
* WHAT...Southwest winds gusting 50 to 60 mph.
* WHERE...Beartooth Foothills and Livingston Area.
* WHEN...Until 5 AM MST Tuesday.
* IMPACTS...Strong crosswinds will make travel difficult along
Interstate 90 from Livingston to Big Timber and roads along the
Beartooth Foothills.
* ADDITIONAL DETAILS...Winds will begin to decrease overnight as a
cold front arrives.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution and consider postponing travel
until winds subside, or take an alternate route.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Lester
Special Weather Statement
Special Weather Statement
National Weather Service Billings MT
952 PM MST Mon Dec 1 2025
MTZ066-141-020600-
Northern Sweet Grass MT-Beartooth Foothills MT-
952 PM MST Mon Dec 1 2025
...GUSTY WINDS ALONG THE I-90 CORRIDOR NEAR BIG TIMBER...
Periodic wind gusts as high as 55 to 65 mph will impact the Big
Timber area through the remainder of the evening. Strongest gusts
will occur over the benches south of the Yellowstone River, but
travel on I-90 will be affected by strong and sudden crosswinds in
spots. Use caution traveling between Greycliff and Livingston.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 4580 11021 4581 11017 4583 11015 4584 11010
4586 11009 4586 11007 4588 11005 4585 10977
4583 10977 4582 10979 4580 10979 4577 10982
4577 10986 4579 10991 4577 10993 4576 10999
4575 10999 4573 11004 4570 11016 4570 11021
$$
Lester
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
124 AM MST Mon Dec 1 2025
WYZ001>020-022>030-021230-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
124 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST TUESDAY...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Isolated areas of fog/low clouds in the Upper Green River Basin this
morning and possibly the Jackson/Star Valleys.
Snow will develop over northwestern portions between 8pm and 11pm
tonight, with snowfall rates up to 1"/hr possible over the Tetons
through the night. Winds gusting up to 35 mph could make travel
conditions difficult over Teton Pass overnight into Tuesday morning.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday...Snow continuing over western portions, with the heavier
snow occurring over the Tetons. Isolated snow showers will be
possible east of the Divide, with chances increasing in the evening
as a cold front progresses southward. Accumulations will stay light
(2 inches or less) over central portions.
Friday and Saturday...Another chance of snow for much of the area,
with western portions likely to have periods of snow through this
timeframe.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
