Winter Storm Warning issued October 9 at 11:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

Archived official description

* WHAT...Heavy snow expected. Total snow accumulations between 10 and 20 inches, with the exception of the Lincoln valley where up to 6 inches is expected. 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...From noon Saturday to 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.

Instructions in this archived message

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.

How the record changed

Only changes captured by this journal are listed; this is not the authority’s complete history. Timestamps distinguish publication from our capture. Missing messages are never treated as cancellations.

1. newly tracked · Captured 2026-10-09 17:29:50.708Z

   Winter Storm Warning issued October 9 at 11:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

   Winter Storm Warning · Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass; Gates of the Mountains. Severe; likely; urgency: expected.

   Source issued/updated 2026-10-09T17:29:00.000Z · Source alert

   Source for this capture ↗