Blizzard Warning, Montana

Severe

Another 10 to 20 inches of snow, gusts up to 100 mph, 1 to 3 feet of snow. Travel could be very difficult or impossible over Marias pass and Rogers pass late tonight through Thursday morning.

Ended Thursday, March 12, 2026.

Issued: Wednesday, March 11, 12:31 in the afternoon
Expires: Thursday, March 12, 3 in the afternoon
Updated: March 12, 2026

Places in this warning

How much

Snow across the area: Another 10 to 20 inches
Wind gusts: Up to 100 mph

Map

This warning
Interstates
US highways
US border

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: For the Blizzard Warning, blizzard conditions. Additional snow accumulations between 10 and 20 inches. Winds gusting as high as 100 mph. For the Winter Storm Warning, heavy snow expected. Total snow accumulations between 1 and 3 feet.
Where: The Continental Divide along the Rocky Mountain Front.
When: For the Blizzard Warning, until 3 in the afternoon this afternoon. For the Winter Storm Warning, from 3 in the afternoon this afternoon to 6 in the evening Saturday.
Impacts: Travel could be very difficult or impossible over Marias pass and Rogers pass late tonight through Thursday morning.
Additional details: Whiteout conditions are likely and may make travel treacherous and potentially life-threatening, especially through 8 in the morning Thursday. This will be a mult-day snowfall, with lulls in the snow at times.

Updates

Thursday 1:36 in the afternoon
Cancelled by the National Weather Service. March 12, 2026
Thursday 12:46 at night
Snow totals lowered from 1 to 3 feet to 10 to 20 inches. March 12, 2026
Wednesday 5:53 in the evening
Reissued with no change to the times or amounts. March 11, 2026
Wednesday 12:31 in the afternoon
Blizzard Warning issued for Wednesday evening through Thursday afternoon. March 11, 2026