< Winter Storm Warning Montana | Effective 03/12/2026 16:54

Winter Storm Warning Montana | Effective 03/12/2026 16:54

Headline: 
Winter Storm Warning issued March 12 at 5:54PM MDT until March 14 at 6:00PM MDT by NWS Great Falls MT
Event: 
Winter Storm Warning
Urgency: 
Expected
Effective: 
March 12, 2026 - 4:54pm
Expires: 
March 13, 2026 - 8:00am
Description: 
* WHAT...Snow redevelops tonight with periods of moderate to heavy snow expected at times Friday through Saturday. Additional snow accumulations between 9 and 18 inches. Winds gusting as high as 40 mph. * WHERE...Upper Blackfoot and MacDonald Pass and Northwest Beaverhead County. * WHEN...Until 6 PM MDT Saturday. * 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. Strong winds could cause tree damage.
Instruction: 
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. Remember, a Winter Storm Warning means that there is at least an 80% chance of impactful winter weather conditions during the warning period.
Area Description: 
Upper Blackfoot and MacDonald Pass; Northwest Beaverhead County
Forcast Office: 
NWS Great Falls MT