Alert archive / Montana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 67, NWS Great Falls, MT

June 20, 2025Judith Basin County, Meagher County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jun 20, 2025, 4:11 PM MDT for Judith Basin County, Meagher County, Montana. It was in force for 33 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: Jun 20, 2025, 4:11 PM MDT (22:11 UTC)
Expired: Jun 20, 2025, 4:44 PM MDT
In force: 33 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Judith Basin County, MT, Meagher County, MT

The radar

The Great Falls radar (KTFX), 94 km from the middle of the area, began a volume at 22:15 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 Jun 20, 2:29 PM MDT, 1 hour 42 minutes earlier.

Area forecast discussion, Jun 20, 2:29 PM MDT, 1 hour 42 minutes before

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In the hours before

Local storm report, Jun 20, 2:55 PM MDT, 1 hour 16 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.
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Local storm report, Jun 20, 3:11 PM MDT, 1 hour 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>
    </section>
  </main>
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Local storm report, Jun 20, 3:12 PM MDT, 59 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>
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Special weather statement, Jun 20, 3:16 PM MDT, 55 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>

Local storm report, Jun 20, 3:41 PM MDT, 30 minutes before

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<html lang="en">
<head>
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  <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, Jun 20, 3:53 PM MDT, 18 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
Jun 19, 7:26 PM MDT	Special Weather Statement	TFX	Judith Basin	34 min
Jun 19, 7:27 PM MDT	Special Weather Statement	TFX	Beaverhead	48 min
Jun 19, 7:57 PM MDT	Special Weather Statement	TFX	Fergus	33 min
Jun 19, 9:15 PM MDT	Special Weather Statement	TFX	Gallatin, Madison	45 min
Jun 19, 9:31 PM MDT	Special Weather Statement	TFX	Lewis and Clark	44 min
Jun 19, 10:17 PM MDT	Special Weather Statement	TFX	Cascade	43 min
Jun 20, 3:03 AM MDT	High Wind Warning	TFX	Madison	15 hr
Jun 20, 3:03 AM MDT	High Wind Warning	TFX	Glacier, Liberty, Pondera, Toole	47 hr
Jun 20, 3:14 AM MDT	Winter Storm Warning	TFX	Glacier, Pondera	57 hr
Jun 20, 3:14 AM MDT	Winter Weather Advisory	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Jefferson and 5 more	57 hr
Jun 20, 9:36 AM MDT	Special Weather Statement	TFX	Teton	24 min
Jun 20, 1:23 PM MDT	Special Weather Statement	TFX	Jefferson	52 min
Jun 20, 2:12 PM MDT	Special Weather Statement	TFX	Jefferson	48 min
Jun 20, 2:46 PM MDT	Special Weather Statement	TFX	Broadwater	44 min
Jun 20, 3:16 PM MDT	Special Weather Statement	TFX	Meagher	44 min
Jun 20, 3:23 PM MDT	Severe Thunderstorm Warning	TFX	Broadwater, Meagher	52 min
Jun 20, 5:09 PM MDT	Special Weather Statement	TFX	Judith Basin	36 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.