Montana Severe Winter Storm Warning | Effective 10/10/2026 09:56

Headline: 
Winter Storm Warning issued October 10 at 10:56AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT
Event: 
Winter Storm Warning
Urgency: 
Expected
Effective: 
October 10, 2026 - 9:56am
Expires: 
October 11, 2026 - 5:00am
Description: 
* WHAT...Heavy, wet snow expected. Total snow accumulations between 10 and 20 inches, with the exception of the Lincoln valley where up to 7 inches is expected. Isolated amounts approaching 30 inches within the Bob Marshall Wilderness. Winds gusting as high as 45 mph. * WHERE...Gates of the Mountains, Upper Blackfoot and MacDonald Pass, Southern High Plains, and Southern Rocky Mountain Front. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
Instruction: 
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Area Description: 
Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass; Gates of the Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov