Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
200 AM MST Mon Dec 1 2025
MTZ301-307-020000-
/O.CON.KTFX.WW.Y.0051.251202T0000Z-251203T0600Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Babb, Kiowa, Saint Mary,
Marias Pass, East Glacier Park, Rogers Pass, and Logan Pass
200 AM 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 45 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
200 AM MST Mon Dec 1 2025
MTZ312>316-319-020000-
/O.EXB.KTFX.WW.Y.0051.251202T1200Z-251203T1200Z/
Cascade County below 5000ft-Judith Basin County and Judith Gap-
Fergus County below 4500ft-Upper Blackfoot and MacDonald Pass-
Gates of the Mountains-Helena Valley-
Including the following locations: Moccasin, MacDonald Pass,
Geyser, Lewistown, Raynesford, Lincoln, Great Falls, Flesher
Pass, Helena, Hobson, Windham, Craig, Wolf Creek, Stanford,
Canyon Creek, Marysville, Hilger, and Benchland
200 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations up to 4 inches.
Winds gusting as high as 35 mph.
* WHERE...Portions of central and north central Montana.
* WHEN...From 5 AM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Tuesday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
Remember, a Winter Weather Advisory means that there is at least an
80% chance of minor impacts due to winter weather conditions during
the advisory period.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
200 AM MST Mon Dec 1 2025
MTZ317-318-320-330-020000-
/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: Big Sky, Raynolds Pass,
Monarch, Battle Ridge Pass, Bozeman Pass, Deep Creek Pass, West
Yellowstone, Trident, Targhee Pass, Maudlow, Neihart, and Kings
Hill Pass
200 AM 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 4 inches across the lower elevations to 5 to 10 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...Travel could be very difficult.
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.
&&
$$
Ludwig
URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
1250 AM PST Mon Dec 1 2025
IDZ004-012100-
/O.NEW.KOTX.WW.Y.0031.251201T2100Z-251202T1900Z/
Central Panhandle Mountains-
Including the cities of Lookout Pass, Osburn, Wallace, Fernwood,
Pinehurst, St. Maries, Fourth Of July Pass, Mullan, Dobson Pass,
and Kellogg
1250 AM PST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11
AM PST TUESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 4
inches with locally higher amounts up to 6 inches in southern
Shoshone County mountains.
* WHERE...Lookout Pass, Osburn, Wallace, Fernwood, Pinehurst, St.
Maries, Fourth Of July Pass, Mullan, Dobson Pass, and Kellogg.
* WHEN...From 1 PM this afternoon to 11 AM PST Tuesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Monday evening and Tuesday morning
commutes.
* ADDITIONAL DETAILS...Snow accumulations through 10 PM PST Monday
will be light and amount to an inch or less. The majority of the
snow will fall late Monday night through Tuesday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
information in Idaho, call 5 1 1.
&&
$$
AS
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 AM MST Mon Dec 1 2025
IDZ006-020830-
/O.EXB.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Southern Clearwater Mountains-
1218 AM PST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM MONDAY 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 Monday to 4 PM PST 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 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 AM MST Mon Dec 1 2025
MTZ001-020830-
/O.CON.KMSO.WW.Y.0045.251201T2000Z-251202T1900Z/
Kootenai/Cabinet Region-
118 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO NOON MST TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations between 2 and 5
inches. Daytime melting combined with sub-freezing temperatures
expected after dark will create a potential for black ice.
Conditions will become slicker Monday night.
* WHERE...Highway 93 Eureka to Whitefish, Highway 37 Eureka to
Libby, Highway 56 Bull Lake Road, and Highway 2 Kalispell to Libby.
* WHEN...From 1 PM this afternoon to noon MST Tuesday.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. For MODERATE winter weather
impacts, expect disruptions to normal activities. Use caution
while driving. Winter traveling conditions. The hazardous
conditions could impact the Monday evening and Tuesday morning
commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 AM MST Mon Dec 1 2025
MTZ002-043-020830-
/O.CON.KMSO.WW.Y.0045.251201T2100Z-251203T0000Z/
West Glacier Region-Potomac/Seeley Lake Region-
118 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. Conditions will become
slicker Monday night.
* WHERE...Glacier National Park, Bad Rock Canyon, Marias Pass,
Highway 200 Bonner to Greenough, I-90 East Missoula to Bearmouth,
Essex, Polebridge, Highway 83 Bigfork to Swan Lake, and Highway 83
Seeley Lake to Condon.
* 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 AM MST Mon Dec 1 2025
MTZ003-020830-
/O.CON.KMSO.WW.Y.0045.251201T2100Z-251202T1900Z/
Flathead/Mission Valleys-
118 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO NOON MST TUESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations between 2 and 5
inches, except 5 to 8 inches Bigfork to Many Lakes Region. Daytime
melting combined with sub-freezing temperatures expected after
dark will create a potential for black ice. Conditions will become
slicker Monday night.
* WHERE...Flathead Valley, Polson, Mission Valley, and Flathead Lake.
* WHEN...From 2 PM this afternoon to noon MST Tuesday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Monday
evening and Tuesday morning commutes, especially over higher
passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 AM MST Mon Dec 1 2025
MTZ004-020830-
/O.CON.KMSO.WW.Y.0045.251201T2100Z-251202T1900Z/
Lower Clark Fork Region-
118 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.
Conditions will become slicker Monday night.
* WHERE...I-90 Lookout Pass to Haugan, Highway 200 Trout Creek to
Heron, Highway 200 Thompson Falls to Plains, and Evaro Hill.
* 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 AM MST Mon Dec 1 2025
MTZ005-020830-
/O.EXB.KMSO.WW.Y.0045.251202T0300Z-251202T2100Z/
Missoula/Bitterroot Valleys-
118 AM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM
MST TUESDAY...
* WHAT...Snow expected. There is a chance of minor winter weather
impacts. Total snow accumulations 1 to 4 inches. Daytime melting
combined with sub-freezing temperatures expected after dark will
create a potential for black ice. The Tuesday morning commute
could be impacted with slick snow covered roads.
* WHERE...Bitterroot Valley and Missoula.
* WHEN...From 8 PM this evening to 2 PM MST Tuesday.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. Use caution while driving.
Winter traveling conditions. The hazardous conditions could impact
the Tuesday morning commute, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
118 AM MST Mon Dec 1 2025
MTZ006-020830-
/O.EXB.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Bitterroot/Sapphire Mountains-
118 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 4 to 7 inches.
* WHERE...Lolo Pass and Highway 93 Sula to Lost Trail 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.
&&
$$
Cold Weather Advisory
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
153 AM MST Mon Dec 1 2025
MTZ305-306-011700-
/O.CON.KTFX.CW.Y.0018.000000T0000Z-251201T1700Z/
Hill County-Northern Blaine County-
Including the following locations: Zurich, Hogeland, Chinook,
Havre, Fort Belknap, and Harlem
153 AM MST Mon Dec 1 2025
...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...
* WHAT...Very cold wind chills as low as 25 below to 30 below zero
overnight.
* WHERE...Hill County and Northern Blaine County.
* WHEN...Until 10 AM MST this morning.
* IMPACTS...The dangerously cold wind chills as low as 30 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.
&&
$$
Ludwig
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.
$$
