Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
928 AM MST Tue Dec 2 2025

MTZ030>032-030600-
/O.EXB.KBYZ.WW.Y.0038.000000T0000Z-251203T0600Z/
Treasure-Northern Rosebud-Custer-
Including the locations of Hysham, Volborg, Miles City, Angela,
Forsyth, Ismay, Colstrip, Ingomar, and Bighorn
928 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING...

* WHAT...Periods of snow. Total snow accumulations up to 3 inches,
  greatest in the higher hills south of I-94.

* WHERE...Treasure, Custer, and Northern Rosebud.

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact this evening`s commute.

* ADDITIONAL DETAILS...Wet or slushy surfaces will likely freeze this
  evening into tonight.

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
928 AM MST Tue Dec 2 2025

WYZ198-031200-
/O.EXA.KBYZ.WW.Y.0038.251202T1800Z-251203T1200Z/
Northeast Bighorn Mountains-
Including the locations of Story and Burgess Jct
928 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 4 and 9
  inches, greatest for areas north of US14. Winds gusting as high as
  35 mph.

* WHERE...Northeast Bighorn Mountains.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Travel could be difficult over US14 through Burgess
  Junction. Areas of blowing snow could reduce visibility. Recreation
  in the high country will be affected by accumulating snow and
  blowing snow.

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
928 AM MST Tue Dec 2 2025

MTZ036-037-057-058-138-031200-
/O.CON.KBYZ.WW.Y.0038.000000T0000Z-251203T1200Z/
Powder River-Carter-Northern Big Horn-Southern Rosebud-Southern
Big Horn-
Including the locations of Ashland, Belltower, Biddle, Alzada,
Hammond, Sonnette, Busby, Pryor, Wyola, Hardin, Birney, Lame Deer,
Powderville, Lodge Grass, Broadus, Ekalaka, and Crow Agency
928 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* WHAT...Periods of snow. 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...Until 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the evening commute.

* ADDITIONAL DETAILS...Wintry conditions will impact portions of
  Interstate 90 and Highway 212. Wet or slushy surfaces will likely
  freeze this evening into tonight.

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
928 AM MST Tue Dec 2 2025

MTZ171-031200-
/O.CON.KBYZ.WW.Y.0038.251202T1800Z-251203T1200Z/
Pryor/Northern Bighorn Mountains-
928 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* WHAT...Snow. Total snow accumulations between 5 and 10 inches.
  Winds gusting as high as 35 mph.

* WHERE...Pryor/Northern Bighorn Mountains.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Recreation in the high country will be impacted by
  accumulating snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for winter weather.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
928 AM MST Tue Dec 2 2025

MTZ056-066-031200-
/O.CON.KBYZ.WW.Y.0038.251203T0000Z-251203T1200Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of Roberts, Red Lodge, Fishtail, Nye, Roscoe,
and McLeod
928 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 AM MST WEDNESDAY...

* WHAT...Snow. Total snow accumulations of 2 to 5 inches, with
  locally higher amounts possible near the mountains.

* WHERE...Beartooth Foothills and Red Lodge Foothills.

* WHEN...From 5 PM this afternoon to 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact this evening`s commute.

* ADDITIONAL DETAILS...Wet or slushy surfaces will likely freeze this
  evening into tonight.

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
928 AM MST Tue Dec 2 2025

MTZ169-WYZ199-031200-
/O.CON.KBYZ.WW.Y.0038.251203T0000Z-251203T1200Z/
Bighorn Canyon-Sheridan Foothills-
Including the locations of Fort Smith, Sheridan, Big Horn, Clearmont,
Dayton, and Ranchester
928 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 AM MST WEDNESDAY...

* WHAT...Snow. 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 this afternoon to 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact this evening`s commute.

* ADDITIONAL DETAILS...Wet or slushy surfaces will likely freeze this
  evening into tonight.

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 Spokane WA
1049 AM PST Tue Dec 2 2025

IDZ003-004-027-WAZ033-022000-
/O.EXP.KOTX.WW.Y.0031.000000T0000Z-251202T1900Z/
Idaho Palouse-Central Panhandle Mountains-Lewis and Southern Nez
Perce Counties-Washington Palouse-
Including the cities of Dobson Pass, Potlatch, Winchester, Fourth
Of July Pass, Wallace, Tekoa, Genesee, Pullman, Lookout Pass,
Rosalia, Uniontown, La Crosse, Oakesdale, Craigmont, St. Maries,
Moscow, Colfax, Soldiers Meadow Road, Fernwood, Pinehurst,
Mullan, Plummer, Kellogg, Osburn, and Nezperce
1049 AM PST Tue Dec 2 2025

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM PST THIS MORNING...

$$

OTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
213 AM MST Tue Dec 2 2025

MTZ301-307-030015-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T0600Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Rogers Pass, Logan Pass, Saint
Mary, Kiowa, Babb, East Glacier Park, and Marias Pass
213 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches
  at and below pass level, with higher amounts in the higher terrain
  of the backcountry. Winds gusting as high as 50 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...Until 11 PM MST this evening.

* 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
213 AM MST Tue Dec 2 2025

MTZ322-030015-
/O.EXA.KTFX.WW.Y.0051.251202T1200Z-251203T1200Z/
Elkhorn and Boulder Mountains-
Including the following locations: Clancy, Wickes, Elk Park Pass,
Boulder, Corbin, Homestake Pass, and Montana City
213 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations up to 4 inches.

* WHERE...Elkhorn and Boulder Mountains.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions, particularly on
  Interstate 15 between Boulder and Helena.

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
213 AM MST Tue Dec 2 2025

MTZ311>316-319-030015-
/O.CON.KTFX.WW.Y.0051.251202T1200Z-251203T1200Z/
Bears Paw Mountains and Southern Blaine-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: Canyon Creek, Windham, Geyser,
Helena, Flesher Pass, Hilger, Craig, Hobson, MacDonald Pass,
Moccasin, Great Falls, Marysville, Wolf Creek, Lincoln, Rocky
Boy, Stanford, Lewistown, Raynesford, and Benchland
213 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations up to 5 inches.

* WHERE...Portions of central and north central Montana.

* WHEN...Until 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.


&&

$$

Ludwig

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
213 AM MST Tue Dec 2 2025

MTZ327-030015-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T0600Z/
Northwest Beaverhead County-
Including the following locations: Wise River, Chief Joseph Pass,
Big Hole Pass, Dewey, and Wisdom
213 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations up to 4 inches.

* WHERE...Northwest Beaverhead County.

* WHEN...Until 11 PM MST this evening.

* 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.

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
213 AM MST Tue Dec 2 2025

MTZ317-318-320-330-030015-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-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, West
Yellowstone, Raynolds Pass, Trident, Targhee Pass, Monarch,
Maudlow, Battle Ridge Pass, Deep Creek Pass, Neihart, Bozeman
Pass, and Big Sky
213 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations between 3 and 6 inches
  for most passes, but 5 to 9 inches at Kings Hill Pass. Winds
  gusting as high as 35 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...Until 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 Rapid City SD
130 AM MST Tue Dec 2 2025

SDZ024-WYZ057-022330-
/O.NEW.KUNR.WW.Y.0017.251202T1900Z-251203T1300Z/
Northern Black Hills-Wyoming Black Hills-
Including the cities of Rochford, Mystic, Sundance, Deerfield,
Silver City, Terry Peak, Brownsville, Galena, Four Corners,
Cheyenne Crossing, Lead, Deadwood, and Nemo
130 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM MST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations 3 to locally 7
  inches with the highest snowfall rates tonight, especially over
  the higher elevations.

* WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming
  Black Hills.

* WHEN...From noon today to 6 AM MST Wednesday.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous. Plan on slippery road
  conditions. The hazardous conditions could impact the Tuesday
  evening commute.

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.

&&

$$

Helgeson

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1245 AM MST Tue Dec 2 2025

WYZ012-030600-
/O.CON.KRIW.WW.Y.0033.000000T0000Z-251203T0600Z/
Teton and Gros Ventre Mountains-
1245 AM MST Tue Dec 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST
TONIGHT...

* WHAT...Snow expected. Additional snow accumulations up to 6 inches
  over the Tetons. Accumulations between 1 and 3 inches elsewhere in
  the zone. Winds gusting as high as 35 mph will occur with the snow
  this morning, with winds decreasing through the afternoon.

* WHERE...Teton and Gros Ventre Mountains.

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Travel could be difficult, especially over Teton Pass.
  The hazardous conditions could impact the Tuesday morning and
  evening commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/riw/ .

TL

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

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

IDZ008-021845-
/O.EXB.KMSO.WW.Y.0045.251202T0300Z-251202T1900Z/
Lower Hells Canyon/Salmon River Region-
1045 AM PST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 11 AM
PST TUESDAY ABOVE 2500 FEET...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations of 1 to 3 inches,
  primarily over White Bird Grade.

* WHERE...White Bird Grade.

* WHEN...From 7 PM this evening to 11 AM 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

IDZ005-021845-
/O.EXA.KMSO.WW.Y.0045.251202T0300Z-251203T0000Z/
Northern Clearwater Mountains-
1045 AM PST Mon Dec 1 2025

...WINTER WEATHER ADVISORY 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 between 3 and 5
  inches.

* WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce.

* 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

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.

&&

$$

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.

&&

$$