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Winter Storm Warning issued October 11 at 11:30PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

Latest captured source record. This is an archive, not a current warning service.

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First tracked
2026-10-12 05:43:44.175Z
Last seen in a feed
2026-10-12 06:43:43.319Z
Source classification
Severe · Source update
Issuer / area
NWS Great Falls MT · Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Meagher County Valleys
Certainty / urgency
Likely / Expected
Message expiry (not hazard end)
2026-10-12T12:00:00.000Z
Forecast onset / end
2026-10-12T05:30:00.000Z / 2026-10-12T12:00:00.000Z

Winter Storm Warning · Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Meagher County Valleys. Severe; likely; urgency: expected.

Archived official description

* WHAT...Heavy snow. Additional snow accumulations up to 3 inches. * WHERE...Meagher County Valleys, Cascade County below 5000ft, Eastern Pondera and Eastern Teton, Fergus County below 4500ft, and Judith Basin County and Judith Gap. * 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.

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.

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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 2026-10-12 05:43:44.175Z

    Winter Storm Warning issued October 11 at 11:30PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

    Winter Storm Warning · Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Meagher County Valleys. Severe; likely; urgency: expected.

    Source issued/updated 2026-10-12T05:30:00.000Z · Source update

    Source for this capture ↗