Montana Severe Winter Storm Warning | Effective 10/11/2026 09:29

Headline: 
Winter Storm Warning issued October 11 at 10:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT
Event: 
Winter Storm Warning
Urgency: 
Expected
Effective: 
October 11, 2026 - 9:29am
Expires: 
October 12, 2026 - 12:30am
Description: 
* WHAT...Heavy, wet snow. Additional snow accumulations between 3 and 6 inches north of the US Hwy 2 corridor, with 6 to 12 inches possible south of the US Hwy 2 corridor. * WHERE...Portions of central and north central Montana. * 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: 
East Glacier Park Region; Northern High Plains; 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