First published Oct 10, 2026, 10:19:15 PM UTC · Last updated Oct 10, 2026, 10:20:16 PM UTC

Winter Storm Warning — NWS Great Falls MT

Original source title

Winter Storm Warning issued October 10 at 4:13PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

Reported by U.S. National Weather Service Alerts NWS, U.S. National Weather Service Alerts NWS, U.S. National Weather Service Alerts NWS

The NWS issued a warning for central and north-central Montana through 6 a.m. MDT October 12. Heavy, wet snow accumulations of 10–20 inches are expected in most areas, with isolated amounts near 30 inches in the Bob Marshall Wilderness; travel could be very difficult.

At a glance

Affected location: Central and north-central Montana
The NWS issued a warning for central and north-central Montana through 6 a.m.

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Why it matters

The alert says gusty winds and heavy snow could bring down tree branches, and isolated power outages are possible.

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Update history

Oct 10, 2026, 10:13 PM UTC
A winter storm warning covers Eastern Pondera and Eastern Teton, parts of Cascade and Judith Basin counties, Judith Gap, and Meagher County Valleys in Montana through October 12 at 6:00 AM MDT. The source forecasts 7–14 inches of snow and gusts up to 35 mph, with difficult travel and possible isolated power outages.
U.S. National Weather Service Alerts NWS
Oct 10, 2026, 10:13 PM UTC
The NWS issued a warning for central and north-central Montana through 6 a.m. MDT October 12. Heavy, wet snow accumulations of 10–20 inches are expected in most areas, with isolated amounts near 30 inches in the Bob Marshall Wilderness; travel could be very difficult.
U.S. National Weather Service Alerts NWS

Generated scores

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Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 5/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

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