Alert archive / Montana / Extreme Cold Warnings in 2025

Extreme Cold Warning 9, NWS Great Falls, MT

December 26, 20257 counties in Montana

NWS Great Falls, MT issued this extreme cold warning at Dec 26, 2025, 2:17 PM MST for 7 counties in Montana. It took effect at Dec 27, 2025, 6:00 AM MST. It was in force for 29 hr. 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, 2:17 PM MST (21:17 UTC)
In effect from: Dec 27, 2025, 6:00 AM MST
Expired: Dec 28, 2025, 11:00 AM MST
In force: 29 hr
Issued by: NWS Great Falls, MT

Counties Blaine County, MT, Chouteau County, MT, Glacier County, MT, Hill County, MT, Liberty County, MT, Pondera County, MT, Toole County, MT

The radar

The Great Falls radar (KTFX), 112 km from the middle of the area, began a volume at 21:17 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 extreme cold 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 extreme cold warning went out at Dec 26, 10:34 AM MST, 3 hours 43 minutes earlier.

Area forecast discussion, Dec 26, 10:34 AM MST, 3 hours 43 minutes before

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In the hours before

Local storm report, Dec 26, 1:28 PM MST, 49 minutes before

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</head>
<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.
      </p>
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Local storm report, Dec 26, 1:29 PM MST, 48 minutes before

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<head>
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  <title>Service Notice</title>
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</head>
<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.
      </p>
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Special weather statement, Dec 26, 1:43 PM MST, 34 minutes before

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  <title>Service Notice</title>
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</head>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Dec 26, 1:49 PM MST, 28 minutes before

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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Dec 26, 1:55 PM MST, 22 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Dec 26, 2:10 PM MST, 7 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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, 12:23 PM MST	Severe Thunderstorm Warning	TFX	Cascade, Chouteau, Teton	38 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, 2:24 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

Extreme Cold Warnings in Montana, 2025 Every extreme cold 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.