Winter Weather Warnings / Watches / Advisories
Issued by NWS Great Falls, MT

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WWUS45 KTFX 011946
WSWTFX

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.

&&

$$

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.

&&

$$

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.

&&

$$

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.


&&

$$

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