Alert archive / Montana / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 151, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Aug 20, 2025, 3:08 PM MDT for Pondera County, Toole County, Montana. It was in force for 52 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
- Aug 20, 2025, 3:08 PM MDT (21:08 UTC)
- Expired
- Aug 20, 2025, 4:00 PM MDT
- In force
- 52 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Pondera County, MT, Toole County, MT
The radar
The Great Falls radar (KTFX), 117 km from the middle of the area, began a volume at 21:10 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 Aug 20, 2:57 PM MDT, 11 minutes earlier.
Area forecast discussion, Aug 20, 2:57 PM MDT, 11 minutes before
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Special weather statement, Aug 20, 2:36 PM MDT, 32 minutes before
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</html>Special weather statement, Aug 20, 2:38 PM MDT, 30 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Special weather statement, Aug 20, 2:48 PM MDT, 20 minutes before
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<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>
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</html>Special weather statement, Aug 20, 2:56 PM MDT, 12 minutes before
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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.
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 7:51 PM MDT | Special Weather Statement | TFX | Toole | 24 min |
| Aug 19, 8:08 PM MDT | Special Weather Statement | TFX | Toole | 7 min |
| Aug 19, 8:13 PM MDT | Special Weather Statement | TFX | Toole | 32 min |
| Aug 19, 8:37 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 38 min |
| Aug 19, 8:42 PM MDT | Special Weather Statement | TFX | Liberty | 48 min |
| Aug 19, 8:42 PM MDT | Special Weather Statement | TFX | Liberty | 48 min |
| Aug 19, 9:27 PM MDT | Special Weather Statement | TFX | Hill | 48 min |
| Aug 19, 9:50 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Lewis and Clark, Teton | 55 min |
| Aug 19, 10:11 PM MDT | Special Weather Statement | TFX | Pondera, Teton, Toole | 64 min |
| Aug 19, 10:43 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 50 min |
| Aug 19, 11:02 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty, Pondera, Teton, Toole | 88 min |
| Aug 19, 11:28 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty, Toole | 92 min |
| Aug 19, 11:59 PM MDT | Special Weather Statement | TFX | Hill | 46 min |
| Aug 20, 12:26 AM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill, Liberty | 79 min |
| Aug 20, 12:50 AM MDT | Special Weather Statement | TFX | Blaine | 40 min |
| Aug 20, 2:36 PM MDT | Special Weather Statement | TFX | Toole | 39 min |
| Aug 20, 2:38 PM MDT | Special Weather Statement | TFX | Toole | 37 min |
| Aug 20, 2:44 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 46 min |
| Aug 20, 2:48 PM MDT | Special Weather Statement | TFX | Pondera | 42 min |
| Aug 20, 2:56 PM MDT | Special Weather Statement | TFX | Cascade | 34 min |
| Aug 20, 3:23 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 52 min |
| Aug 20, 3:25 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 35 min |
| Aug 20, 3:55 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Pondera, Toole | 50 min |
| Aug 20, 4:13 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 62 min |
| Aug 20, 4:31 PM MDT | Special Weather Statement | TFX | Chouteau | 44 min |
| Aug 20, 4:42 PM MDT | Special Weather Statement | TFX | Liberty | 33 min |
| Aug 20, 4:57 PM MDT | Special Weather Statement | TFX | Liberty | 33 min |
| Aug 20, 5:09 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 47 min |
| Aug 20, 5:11 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 64 min |
| Aug 20, 5:30 PM MDT | Special Weather Statement | TFX | Gallatin | 45 min |
| Aug 20, 5:44 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 76 min |
| Aug 20, 5:56 PM MDT | Areal Flood Advisory | TFX | Hill | 2 hr |
Nearby
Severe Thunderstorm Warnings in Montana, 2025Every 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.