Alert archive / Montana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 165, NWS Great Falls, MT

December 26, 2025Cascade County, Chouteau County, Teton County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Dec 26, 2025, 12:23 PM MST for Cascade County, Chouteau County, Teton County, Montana. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 26, 2025, 12:23 PM MST (19:23 UTC)
Expired: Dec 26, 2025, 1:01 PM MST
In force: 38 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cascade County, MT, Chouteau County, MT, Teton County, MT

The radar

The Great Falls radar (KTFX), 24 km from the middle of the area, began a volume at 19:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Dec 26, 10:34 AM MST, 1 hour 49 minutes earlier.

Area forecast discussion, Dec 26, 10:34 AM MST, 1 hour 49 minutes before

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In the hours before

Local storm report, Dec 26, 7:56 AM MST, 4 hours 27 minutes before

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Local storm report, Dec 26, 8:13 AM MST, 4 hours 10 minutes before

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  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
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Special weather statement, Dec 26, 12:11 PM MST, 12 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 26, 12:31 AM MST	Winter Weather Advisory	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Judith Basin and 3 more	41 hr
Dec 26, 12:11 PM MST	Special Weather Statement	TFX	Cascade	49 min
Dec 26, 12:34 PM MST	Special Weather Statement	TFX	Gallatin	41 min
Dec 26, 12:59 PM MST	Special Weather Statement	TFX	Chouteau	31 min
Dec 26, 1:06 PM MST	Special Weather Statement	TFX	Judith Basin, Meagher	39 min
Dec 26, 1:43 PM MST	Special Weather Statement	TFX	Toole	47 min
Dec 26, 1:49 PM MST	Special Weather Statement	TFX	Judith Basin, Meagher	41 min
Dec 26, 1:55 PM MST	Special Weather Statement	TFX	Fergus	50 min
Dec 26, 2:17 PM MST	Cold Weather Advisory	TFX	Cascade, Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark and 5 more	45 hr
Dec 26, 2:17 PM MST	Extreme Cold Warning	TFX	Blaine, Chouteau, Glacier, Hill, Liberty, Pondera and 1 more	45 hr
Dec 26, 2:24 PM MST	Special Weather Statement	TFX	Liberty	51 min
Dec 26, 2:29 PM MST	Special Weather Statement	TFX	Judith Basin	46 min
Dec 26, 3:13 PM MST	Special Weather Statement	TFX	Fergus	47 min

Nearby

Severe Thunderstorm Warnings in Montana, 2025 Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.