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Winter Storm Watch issued October 8 at 11:48PM 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
2026-10-09 17:11:48.776Z
Last seen in a feed
2026-10-09 17:11:48.776Z
Source classification
Severe · Source update
Issuer / area
NWS Great Falls MT · Big Belt, Bridger and Castle Mountains; Gallatin and Madison County Mountains and Centennial Mountains
Certainty / urgency
Possible / Future
Message expiry (not hazard end)
2026-10-10T00:15:00.000Z
Forecast onset / end
2026-10-11T00:00:00.000Z / 2026-10-12T12:00:00.000Z

Winter Storm Watch · Big Belt, Bridger and Castle Mountains; Gallatin and Madison County Mountains and Centennial Mountains. Severe; possible; urgency: future.

Archived official description

* WHAT...Heavy wet snow possible. Total snow accumulations between 6 and 12 inches along the Big Belt Mountains and between 6 and 12 inches above 7000 feet in the mountains of Madison and Gallatin counties. Winds could gust as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Travel could be very difficult, especially over mountain passes. Back country conditions may be very dangerous. Wet snow and gusty winds may down trees limbs and power lines.

Instructions in this archived message

Monitor the latest forecasts for updates on this situation.

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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. baseline · Captured 2026-10-09 17:11:48.776Z

    Winter Storm Watch issued October 8 at 11:48PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

    Winter Storm Watch · Big Belt, Bridger and Castle Mountains; Gallatin and Madison County Mountains and Centennial Mountains. Severe; possible; urgency: future.

    Source issued/updated 2026-10-09T05:48:00.000Z · Source update

    Source for this capture ↗