Winter Storm Warning, Montana

How much

Snow across the area

Another up to 4 inches

Wind gusts

Up to 35 mph

Map

Details from the National Weather Service

What

Snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 35 mph.

Where

Gallatin and Madison County Mountains and Centennial Mountains.

When

Until 9 at night this evening.

Impacts

Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Updates

1. Saturday 1:41 in the afternoon
   Cancelled by the National Weather Service. December 6, 2025
2. Saturday 10:45 in the morning
   Snow totals lowered from 4 to 9 inches to up to 4 inches. December 6, 2025
3. Saturday 3:46 in the morning
   Snow totals lowered from 5 to 13 inches to 4 to 9 inches. Extended to Saturday, 9 at night. December 6, 2025
4. Friday 5:18 in the evening
   Reissued with no change to the times or amounts. December 5, 2025
5. Friday 1:10 in the afternoon
   Snow totals lowered from 8 to 16 inches to 5 to 13 inches. December 5, 2025
6. Friday 7:52 in the morning
   Snow totals lowered from 10 to 18 inches to 8 to 16 inches. December 5, 2025
7. Friday 3:44 in the morning
   Snow totals raised from 8 to 12 inches to 10 to 18 inches. December 5, 2025
8. Thursday 1:46 in the afternoon
   Snow totals raised from 4 to 8 inches to 8 to 12 inches. Extended to Saturday, 5 in the evening. Area expanded. December 4, 2025
9. Thursday 9:07 in the morning
   Extended to Saturday, 2 in the afternoon. December 4, 2025
10. Thursday 2:19 in the morning
    Replaces the Winter Storm Watch. December 4, 2025