OFFICIAL · Severe weather

Winter Storm Warning issued October 11 at 10:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

Observed Oct 11 2026, 16:29 UTC · Updated Oct 11 2026, 16:31 UTC

* WHAT...Heavy, wet snow. Additional snow accumulations of 4 to 8 inches. * WHERE...Fergus County below 4500ft. * 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. 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.

Location 47.470, -109.301. ARC Warning did not create the underlying report.

Sources

• OFFICIAL

  nws

  Winter Storm Warning issued October 11 at 10:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

  Oct 11 2026, 16:29 UTC

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