Headline:
Winter Storm Warning issued October 11 at 11:30PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT
Event:
Winter Storm Warning
Urgency:
Expected
Effective:
October 11, 2026 - 10:30pm
Expires:
October 12, 2026 - 5:00am
Description:
* WHAT...Heavy snow. Additional snow accumulations up to two inches.
Winds gusting as high as 40 mph.
* WHERE...Helena Valley, Gallatin Valley, Madison River Valley, and
Missouri Headwaters.
* WHEN...Until 6 AM MDT Monday.
* IMPACTS...Travel could be very difficult. The wet and heavy nature
of the snow could bring down tree branches. Isolated power outages
are possible.
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:
Helena Valley; Missouri Headwaters; Madison River Valley; Gallatin Valley
Forcast Office:
NWS Great Falls MT
Sender:
w-nws.webmaster@noaa.gov