Extreme Cold Warning, Montana

Severe

Wind chills as low as 45 below zero. The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes.

Ended Sunday, January 25, 2026.

Issued: Wednesday, January 21, 1:26 in the afternoon
Expires: Sunday, January 25, 1 in the afternoon
Updated: January 25, 2026

Places in this warning

How much

Wind chill: As low as 45 below zero

Map

This warning
Interstates
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: Dangerously cold wind chills as low as 45 below.
Where: Daniels, Northern Valley, Sheridan, and Roosevelt Counties.
When: Until 1 in the afternoon Sunday.
Impacts: The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes.

Updates

Sunday noon
Cancelled by the National Weather Service. January 25, 2026
Saturday 1:20 in the afternoon
Reissued with no change to the times or amounts. January 24, 2026
Saturday 12:43 at night
Reissued with no change to the times or amounts. January 24, 2026
Friday 10:59 in the morning
Ended for part of the area. January 23, 2026
Friday 1:32 in the morning
Reissued with no change to the times or amounts. January 23, 2026
Thursday 1:47 in the afternoon
Reissued with no change to the times or amounts. January 22, 2026
Thursday 2:24 in the morning
Reissued with no change to the times or amounts. January 22, 2026
Wednesday 1:26 in the afternoon
Replaces the Extreme Cold Watch. January 21, 2026