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

Winter Storm Warning issued October 11 at 10:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT 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. Severity: Severe. Area: Helena Valley; Missouri Headwaters; Madison River Valley. * WHAT...Heavy, wet snow. Additional snow accumulations between 3 and 7 inches. Winds gusting as high as 40 mph. * WHERE...Helena Valley, Madison River Valley, and Missouri Headwaters. * 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. National Weather Service alert. Matter furnished by NWS. Notice Nearby did not write this notice. Source: National Weather Service Published: 2026-10-11 Original: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a4d4a9222f663d05f8aa360416294ff95b266b53.003.2 This listing was added to the Notice Nearby public register from a public government source. It is not a Notice Nearby paid publication, affidavit, or placement certificate.