winterstormwarning.com

Winter Storm Warning, Montana

Severe

Another 3 to 8 inches of snow below 7000 feet with 8 to 15 inches above 7000 feet, gusts up to 35 mph. Travel could be very difficult and tire chains may be required for some vehicles.

Ended Thursday, March 5, 2026.

Issued
Expires
Updated

Places in this warning

How much

Snow across the area
Another 3 to 8 inches
Wind gusts
Up to 35 mph

Map

Map of Montana with this warning The Winter Storm Warning 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 warning
  • 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
Heavy, wet snow. Additional snow accumulations between 3 and 8 inches below 7000 feet with 8 to 15 inches above 7000 feet. Winds gusting as high as 35 mph.
Where
Gallatin and Madison County Mountains and Centennial Mountains.
When
Until 3 in the afternoon this afternoon.
Impacts
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
The heavy wet snow may cause isolated power outages.

Updates

  1. Allowed to end on time. March 5, 2026
  2. Snow totals lowered from 4 to 9 inches to 3 to 8 inches. March 5, 2026
  3. Replaces the Winter Weather Advisory. March 5, 2026