Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 239, NWS Aberdeen, SD

August 29, 2026Clark County, Spink County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 29, 2026, 12:13 AM CDT for Clark County, Spink County, South Dakota. It was in force for 47 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 29, 2026, 12:13 AM CDT (05:13 UTC)
Expired
Aug 29, 2026, 1:00 AM CDT
In force
47 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Clark County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 69 km from the middle of the area, began a volume at 05:13 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 Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 28, 11:22 PM CDT, 51 minutes earlier.

Area forecast discussion, Aug 28, 11:22 PM CDT, 51 minutes before
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In the hours before

Special weather statement, Aug 28, 10:44 PM CDT, 1 hour 29 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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        Please try again in a few minutes.
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Local storm report, Aug 28, 11:49 PM CDT, 24 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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Special weather statement, Aug 28, 11:56 PM CDT, 17 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>

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 28, 10:44 PM CDTSpecial Weather StatementABRHand31 min
Aug 28, 10:52 PM CDTSevere Thunderstorm WarningABRHand, Spink53 min
Aug 28, 11:35 PM CDTSevere Thunderstorm WarningABRSpink40 min
Aug 28, 11:56 PM CDTSpecial Weather StatementABRSpink34 min
Aug 29, 1:50 AM CDTSpecial Weather StatementABRClark25 min
Aug 29, 2:12 AM CDTSpecial Weather StatementABRHamlin33 min
Aug 29, 5:24 PM CDTSevere Thunderstorm WarningABREdmunds, Potter, Walworth53 min
Aug 29, 6:27 PM CDTAreal Flood WarningABREdmunds, Walworth3 hr
Aug 29, 6:30 PM CDTSevere Thunderstorm WarningABREdmunds, Potter, Walworth60 min
Aug 29, 6:54 PM CDTSevere Thunderstorm Warning Considerable damage threatABRDewey49 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2026Every 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.