Alert archive / North Dakota / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 277, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Sep 12, 2025, 9:42 PM MDT for Dunn County, McKenzie County, Mountrail County, North Dakota. It was in force for 48 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
- Sep 12, 2025, 9:42 PM MDT (03:42 UTC)
- Expired
- Sep 12, 2025, 10:30 PM MDT
- In force
- 48 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dunn County, ND, McKenzie County, ND, Mountrail County, ND
The radar
The Minot AFB radar (KMBX), 159 km from the middle of the area, began a volume at 03:43 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 Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 12, 9:01 PM MDT, 41 minutes earlier.
Area forecast discussion, Sep 12, 9:01 PM MDT, 41 minutes before
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</html>Hazardous weather outlook, Sep 12, 8:07 PM MDT, 1 hour 35 minutes before
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</html>In the hours before
Local storm report, Sep 12, 7:21 PM MDT, 2 hours 21 minutes before
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</html>Special weather statement, Sep 12, 7:21 PM MDT, 2 hours 21 minutes before
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</html>Local storm report, Sep 12, 7:43 PM MDT, 1 hour 59 minutes before
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</html>Special weather statement, Sep 12, 7:44 PM MDT, 1 hour 58 minutes before
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<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.
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<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>Special weather statement, Sep 12, 7:52 PM MDT, 1 hour 50 minutes before
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<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.
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<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>Special weather statement, Sep 12, 8:32 PM MDT, 1 hour 10 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.
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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 6:55 PM MDT | Special Weather Statement | BIS | Sioux | 35 min |
| Sep 12, 7:04 PM MDT | Special Weather Statement | BIS | Morton | 26 min |
| Sep 12, 7:10 PM MDT | Severe Thunderstorm Warning | BIS | Morton | 65 min |
| Sep 12, 7:21 PM MDT | Special Weather Statement | BIS | Divide | 39 min |
| Sep 12, 7:33 PM MDT | Areal Flood Advisory | BIS | Sioux | 3 hr |
| Sep 12, 7:44 PM MDT | Special Weather Statement | BIS | Sioux | 31 min |
| Sep 12, 7:52 PM MDT | Special Weather Statement | BIS | Oliver | 23 min |
| Sep 12, 8:32 PM MDT | Special Weather Statement | BIS | Divide | 28 min |
| Sep 12, 10:33 PM MDT | Special Weather Statement | BIS | Dunn | 27 min |
| Sep 12, 10:56 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail | 28 min |
| Sep 12, 11:12 PM MDT | Special Weather Statement | BIS | Golden Valley | 33 min |
| Sep 12, 11:17 PM MDT | Areal Flood Advisory | BIS | Dunn, McKenzie | 5 hr |
| Sep 12, 11:45 PM MDT | Special Weather Statement | BIS | Golden Valley | 30 min |
| Sep 13, 12:37 AM MDT | Special Weather Statement | BIS | Billings | 23 min |
| Sep 13, 1:55 AM MDT | Special Weather Statement | BIS | Dunn | 35 min |
| Sep 13, 2:32 AM MDT | Special Weather Statement | BIS | Dunn | 28 min |
| Sep 13, 3:19 AM MDT | Special Weather Statement | BIS | Mountrail | 26 min |
| Sep 13, 4:05 AM MDT | Areal Flood Advisory | BIS | Mountrail | 4 hr |
| Sep 13, 4:56 AM MDT | Special Weather Statement | BIS | Mountrail | 34 min |
| Sep 13, 7:55 AM MDT | Areal Flood Advisory | BIS | Burke | 6 hr |
| Sep 13, 5:22 PM MDT | Areal Flood Advisory | BIS | McKenzie | 3 hr |
| Sep 13, 5:43 PM MDT | Areal Flood Advisory | BIS | Mountrail, Williams | 3 hr |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.