Winter Weather Advisory, Montana
ModerateGusts up to 40 mph, 5 to 12 inches of snow possible, gusts up to 35 mph. Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Ended Wednesday, December 10, 2025.
- Issued
- Expires
- Updated
Places in this advisory
- Great Falls
- Helena
- Havre
- Helena Valley Southeast
- Helena Valley West Central
- Lewistown
- Helena Valley Northwest
- Malmstrom AFB
- Helena Valley Northeast
- Shelby
- Cut Bank
- North Browning
- Conrad
- South Browning
- East Helena
- Choteau
- Sun Prairie
- Fort Belknap Agency
- Fort Benton
- Helena West Side
- Chinook
- Rocky Boy West
- Browning
- Lincoln
- Hays
- Black Eagle
- Chester
- Harlem
- Fairfield
- Vaughn
- Havre North
- Ulm
- Heart Butte
- Big Sandy
- Cascade
- Valier
- Belt
- Rocky Boy's Agency
- Stanford
- Parker School
- Boneau
- St. Pierre
- Lewistown Heights
- Simms
- East Glacier Park Village
- Sunburst
- Sangrey
- Augusta
- Azure
- Beaver Creek
- Dutton
- New Miami Colony
- Lodge Pole
- West Havre
- Rudyard
- Starr School
- Fort Shaw
- Little Browning
- Geraldine
- Unionville
- Denton
- Gibson Flats
- Tracy
- New Rockport Colony
- Moore
- Camrose Colony
- Sand Coulee
- Hobson
- Power
- Winifred
- Highwood
- Eagle Creek Colony
- Joplin
- Stockett
- Kevin
- Saddle Butte
- Gildford
- Turner Colony
- Hingham
- Babb
- Hilldale Colony
- Pleasant Valley Colony
- Birch Creek Colony
- Brady
- Cascade Colony
- Pondera Colony
- Grass Range
- Blackfoot
- Santa Rita
- Rimrock Colony
- Glacier Colony
- Riverview Colony
- Midway Colony
- Hidden Lake Colony
- Glendale Colony
- Roy
- Kingsbury Colony
- Sun River
- Dupuyer
- Turner
- Herron
- Hardy
- Box Elder
- Marysville
- Sage Creek Colony
- Big Stone Colony
- Geyser
- Kremlin
- Inverness
- Gildford Colony
- Loma
- Carter
- Sweet Grass
- King Ranch Colony
- St. Mary
- Rimini
- Gilman
- Deerfield Colony
- Canyon Creek
- Neihart
- Windham
- Twin Hills Colony
- Craig
- Laredo
- Riceville
- Spring Creek Colony
- Centerville
- Raynesford
- Zurich
- Bynum
- Square Butte
- Monarch
- Sapphire Ridge
- North Harlem Colony
- Wolf Creek
- Pendroy
- Hilger
- Moccasin
- Utica
- Coffee Creek
- Floweree
- Warm Spring Creek
- Brooks
- Danvers
- Hogeland
- Horizon Colony
- Ayers Ranch Colony
- Miller Colony
- East End Colony
- Surprise Creek Colony
- Fords Creek Colony
- Whitlash
- Milford Colony
- Fair Haven Colony
- Seville Colony
- Hillside Colony
- Zenith Colony
- Big Sky Colony
- Sunnybrook Colony
- Rockport Colony
- Hartland Colony
How much
- Snow across the area
- 5 to 12 inches
- Wind gusts
- Up to 40 mph
Map
- This advisory
- Interstates
- US highways
- US border
Details from the National Weather Service
- What
- For the Winter Weather Advisory, wet snow and freezing rain. Additional snow accumulations up to one inch, with a glaze of ice. Winds gusting as high as 40 mph. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 5 and 12 inches possible. Winds could gust as high as 35 mph.
- Where
- Snowy and Judith Mountains, Fergus County below 4500ft, and Western and Central Chouteau County.
- When
- For the Winter Weather Advisory, until 2 in the afternoon this afternoon. For the Winter Storm Watch, from Thursday afternoon through late Friday night.
- Impacts
- Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions.
- Additional details
- Temperatures rapidly dropping behind the arctic front Thursday afternoon will cause a flash freeze on roadways and bridges. The heaviest period of snow will be on Friday.
Updates
-
Cancelled by the National Weather Service. December 10, 2025
-
Extended to Wednesday, 2 in the afternoon. Ended for part of the area. December 10, 2025
-
Ended for part of the area. December 10, 2025
-
Snow totals raised from 2 to 4 inches to 5 to 12 inches. Area expanded. December 10, 2025
-
Reissued with no change to the times or amounts. December 9, 2025
-
Winter Weather Advisory issued for Wednesday overnight through Wednesday morning. December 9, 2025