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Winter Storm Warning 0018
Issued by the Great Falls Forecast Office

Action Issued Starts Expiration
New 2025-12-02 13:26:20 2025-12-02 13:25:00 2025-12-03 06:00:00
Continued 2025-12-02 19:57:12 2025-12-03 06:00:00
Continued 2025-12-03 03:26:10 2025-12-03 06:00:00
Expired 2025-12-03 06:02:08 2025-12-03 06:00:00


Action: New
Issued At: 2025-12-02 13:26:20

277 
WWUS45 KTFX 021925
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1225 PM MST Tue Dec 2 2025

MTZ314-031030-
/O.UPG.KTFX.WW.Y.0051.000000T0000Z-251203T1200Z/
/O.NEW.KTFX.WS.W.0018.251202T1925Z-251203T1200Z/
Fergus County below 4500ft-
Including the following locations: Hilger and Lewistown
1225 PM MST Tue Dec 2 2025

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations up to four inches.

* WHERE...Fergus County below 4500ft.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Roads will be snow packed and icy with significant 
  visibility reductions.

* ADDITIONAL DETAILS...5 inches of snow have already fallen. The 
  hazardous conditions will impact the Tuesday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.


&&

$$

MTZ301-307-030600-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T0600Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Marias Pass, Rogers Pass,
Logan Pass, Saint Mary, Kiowa, East Glacier Park, and Babb
1225 PM 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.

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

* 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.

&&

$$

MTZ311>313-315-316-319-322-031030-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T1200Z/
Bears Paw Mountains and Southern Blaine-Cascade County below
5000ft-Judith Basin County and Judith Gap-Upper Blackfoot and
MacDonald Pass-Gates of the Mountains-Helena Valley-Elkhorn and
Boulder Mountains-
Including the following locations: Marysville, Helena, Homestake
Pass, Raynesford, Montana City, Great Falls, Boulder, Wickes,
Geyser, Benchland, Rocky Boy, Windham, Flesher Pass, Hobson, Wolf
Creek, Stanford, Lincoln, Clancy, MacDonald Pass, Corbin,
Moccasin, Elk Park Pass, Craig, and Canyon Creek
1225 PM MST Tue Dec 2 2025

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

* WHAT...Snow. Additional snow accumulations up to 4 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 evening commute.

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.

&&

$$

MTZ317-318-320-330-031030-
/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: Maudlow, Deep Creek Pass,
Targhee Pass, Bozeman Pass, Trident, Kings Hill Pass, Raynolds
Pass, Big Sky, Monarch, West Yellowstone, Battle Ridge Pass, and
Neihart
1225 PM MST Tue Dec 2 2025

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

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches 
  for most passes, but 5 to 8 inches at Kings Hill Pass.

* 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.


&&

$$

MTZ327-030600-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T0600Z/
Northwest Beaverhead County-
Including the following locations: Chief Joseph Pass, Big Hole
Pass, Dewey, Wise River, and Wisdom
1225 PM MST Tue Dec 2 2025

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

* WHAT...Snow. Additional snow accumulations up to two 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.

&&

$$

IG


Action: Continued
Issued At: 2025-12-02 19:57:12

493 
WWUS45 KTFX 030156
WSWTFX

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

MTZ314-031200-
/O.CON.KTFX.WS.W.0018.000000T0000Z-251203T1200Z/
Fergus County below 4500ft-
Including the following locations: Lewistown and Hilger
656 PM MST Tue Dec 2 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY...

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

* WHERE...Fergus County below 4500ft.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Roads will be snow packed and icy with significant 
  visibility reductions.

* ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.


&&

$$

MTZ301-307-030600-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T0600Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Logan Pass, Rogers Pass, Saint
Mary, Kiowa, Babb, Marias Pass, and East Glacier Park
656 PM 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.

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

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

* IMPACTS...Plan on slippery road conditions. 

* ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze.

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>313-315-316-319-322-031200-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T1200Z/
Bears Paw Mountains and Southern Blaine-Cascade County below
5000ft-Judith Basin County and Judith Gap-Upper Blackfoot and
MacDonald Pass-Gates of the Mountains-Helena Valley-Elkhorn and
Boulder Mountains-
Including the following locations: Canyon Creek, Wickes,
Stanford, Lincoln, Corbin, Clancy, Elk Park Pass, Windham,
Montana City, Craig, Rocky Boy, Boulder, Benchland, Moccasin,
Flesher Pass, Geyser, Hobson, Great Falls, Raynesford, MacDonald
Pass, Homestake Pass, Wolf Creek, Marysville, and Helena
656 PM MST Tue Dec 2 2025

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

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

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

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze.

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.

&&

$$

MTZ317-318-320-330-031200-
/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: Battle Ridge Pass, West
Yellowstone, Big Sky, Trident, Maudlow, Monarch, Kings Hill Pass,
Targhee Pass, Bozeman Pass, Deep Creek Pass, Raynolds Pass, and
Neihart
656 PM MST Tue Dec 2 2025

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

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches 
  for most passes, but 5 to 8 inches at Kings Hill Pass.

* 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.

* ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze.

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.


&&

$$

MTZ327-030600-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T0600Z/
Northwest Beaverhead County-
Including the following locations: Big Hole Pass, Chief Joseph
Pass, Wisdom, Wise River, and Dewey
656 PM MST Tue Dec 2 2025

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

* WHAT...Snow. Additional snow accumulations up to one inch.

* WHERE...Northwest Beaverhead County.

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

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze.

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.

&&

$$

Moldan


Action: Continued
Issued At: 2025-12-03 03:26:10

024 
WWUS45 KTFX 030925
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
225 AM MST Wed Dec 3 2025

MTZ314-031200-
/O.CON.KTFX.WS.W.0018.000000T0000Z-251203T1200Z/
Fergus County below 4500ft-
Including the following locations: Lewistown and Hilger
225 AM MST Wed Dec 3 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS 
MORNING...

* WHAT...Heavy snow. Additional snow accumulations up to one inch.

* WHERE...Fergus County below 4500ft.

* WHEN...Until 5 AM MST early this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.


&&

$$

MTZ311>313-315-316-319-322-031200-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-251203T1200Z/
Bears Paw Mountains and Southern Blaine-Cascade County below
5000ft-Judith Basin County and Judith Gap-Upper Blackfoot and
MacDonald Pass-Gates of the Mountains-Helena Valley-Elkhorn and
Boulder Mountains-
Including the following locations: MacDonald Pass, Geyser,
Boulder, Rocky Boy, Moccasin, Raynesford, Windham, Homestake
Pass, Clancy, Montana City, Benchland, Wolf Creek, Great Falls,
Canyon Creek, Marysville, Helena, Lincoln, Elk Park Pass, Flesher
Pass, Corbin, Wickes, Stanford, Craig, and Hobson
225 AM MST Wed Dec 3 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY 
THIS MORNING...

* WHAT...Snow. Additional snow accumulations up to one inch.

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

* WHEN...Until 5 AM MST early this morning.

* 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.

&&

$$

MTZ317-318-320-330-031200-
/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: Bozeman Pass, Trident,
Maudlow, Neihart, Raynolds Pass, Big Sky, Monarch, Battle Ridge
Pass, West Yellowstone, Kings Hill Pass, Deep Creek Pass, and
Targhee Pass
225 AM MST Wed Dec 3 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY 
THIS MORNING...

* WHAT...Snow. Additional snow accumulations up to one inch.

* 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 early this morning.

* 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.


&&

$$

Ludwig


Action: Expired
Issued At: 2025-12-03 06:02:08

246 
WWUS45 KTFX 031201
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
501 AM MST Wed Dec 3 2025

MTZ314-031315-
/O.EXP.KTFX.WS.W.0018.000000T0000Z-251203T1200Z/
Fergus County below 4500ft-
Including the following locations: Lewistown and Hilger
501 AM MST Wed Dec 3 2025

...WINTER STORM WARNING HAS EXPIRED...

Snow continues to taper off across the area. However, roads and 
untreated surfaces will continue to remain slick this morning, so 
use caution as you begin your day today.

$$

MTZ311>313-315>320-322-330-031315-
/O.EXP.KTFX.WW.Y.0051.000000T0000Z-251203T1200Z/
Bears Paw Mountains and Southern Blaine-Cascade County below
5000ft-Judith Basin County and Judith Gap-Upper Blackfoot and
MacDonald Pass-Gates of the Mountains-Little Belt and Highwood
Mountains-Snowy and Judith Mountains-Helena Valley-Big Belt,
Bridger and Castle Mountains-Elkhorn and Boulder Mountains-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: MacDonald Pass, Maudlow,
Neihart, Geyser, Boulder, Rocky Boy, Moccasin, Raynesford,
Windham, Homestake Pass, Clancy, Montana City, Benchland,
Raynolds Pass, Wolf Creek, Great Falls, Canyon Creek, Marysville,
Trident, Helena, Big Sky, Bozeman Pass, Kings Hill Pass, Lincoln,
Deep Creek Pass, Elk Park Pass, Flesher Pass, Corbin, Monarch,
Battle Ridge Pass, West Yellowstone, Wickes, Stanford, Craig,
Hobson, and Targhee Pass
501 AM MST Wed Dec 3 2025

...WINTER WEATHER ADVISORY HAS EXPIRED...

Snow continues to taper off across the area. However, roads and 
untreated surfaces will continue to remain slick this morning, so 
use caution as you begin your day today.

$$

Ludwig



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