Alert archive / Iowa / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 336, NWS Des Moines, IA

September 14, 2026Bremer County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Sep 14, 2026, 3:32 PM CDT for Bremer County, Iowa. It was in force for 28 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 14, 2026, 3:32 PM CDT (20:32 UTC)
Expired: Sep 14, 2026, 4:00 PM CDT
In force: 28 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Bremer County, IA

The radar

The La Crosse radar (KARX), 148 km from the middle of the area, began a volume at 20:31 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 Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 14, 12:55 PM CDT, 2 hours 37 minutes earlier.

Area forecast discussion, Sep 14, 12:55 PM CDT, 2 hours 37 minutes before

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Hazardous weather outlook, Sep 14, 3:38 AM CDT, 11 hours 54 minutes before

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In the hours before

Special weather statement, Sep 14, 10:33 AM CDT, 4 hours 59 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">
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
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Special weather statement, Sep 14, 12:06 PM CDT, 3 hours 26 minutes before

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<head>
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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>
    </section>
  </main>
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</body>
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The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 13, 8:19 PM CDT	Flood Watch	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 34 more	3 days
Sep 14, 10:33 AM CDT	Special Weather Statement	DMX	Cass	42 min
Sep 14, 12:06 PM CDT	Special Weather Statement	DMX	Boone	24 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2026 Every severe thunderstorm warning in 2026

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.