winterstormwarning.com

Winter Weather Advisory, Montana

Moderate

Gusts up to 35 mph. Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Ended Saturday, December 27, 2025.

Issued
Expires
Updated

Places in this advisory

How much

Wind gusts
Up to 35 mph

Map

Map of Montana with this advisory The Winter Weather Advisory covers Big Sky, West Yellowstone, Hebgen Lake Estates. I-15I-90US 191Big SkyWest YellowstoneHebgen Lake EstatesLakeviewMammothWYOMINGIDAHOMONTANA20 mi I-15I-90US 191Big SkyWest YellowstoneHebgen Lake EstatesLakeviewWYOMINGIDAHOMONTANA25 mi I-15I-90US 191Big SkyWest YellowstoneWYOMINGIDAHOMONTANA25 mi I-15I-90Big SkyWest YellowstoneWYOMINGMONTANA50 mi
  • This advisory
  • Interstates
  • US highways
Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

What
Snow. Additional snow accumulations up to one inch. Winds gusting as high as 35 mph.
Where
Gallatin and Madison County Mountains and Centennial Mountains and Northwest Beaverhead County.
When
Until 6 in the evening this evening.
Impacts
Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Updates

  1. Allowed to end on time. December 27, 2025
  2. Extended to Saturday, 6 in the evening. December 27, 2025
  3. Ended for part of the area. December 27, 2025
  4. Snow totals lowered from 1 to 3 inches to up to 2 inches. Area expanded. December 27, 2025
  5. Snow totals lowered from 2 to 4 inches to 1 to 3 inches. Area expanded. December 27, 2025
  6. Snow totals lowered from 2 to 5 inches to 2 to 4 inches. December 26, 2025
  7. Area expanded. December 26, 2025
  8. Snow totals lowered from up to 6 inches to 2 to 5 inches. Area expanded. December 26, 2025
  9. Winter Weather Advisory issued for Saturday overnight through Saturday afternoon. December 26, 2025