Alert archive / Iowa / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 196, NWS Des Moines, IA

June 10, 20265 counties in Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jun 10, 2026, 10:42 AM CDT for 5 counties in Iowa. 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: Jun 10, 2026, 10:42 AM CDT (15:42 UTC)
Expired: Jun 10, 2026, 11:30 AM CDT
In force: 48 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Grundy County, IA, Hamilton County, IA, Hardin County, IA, Marshall County, IA, Story County, IA

The radar

The Des Moines radar (KDMX), 70 km from the middle of the area, began a volume at 15:45 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 Jun 10, 6:44 AM CDT, 3 hours 58 minutes earlier.

Area forecast discussion, Jun 10, 6:44 AM CDT, 3 hours 58 minutes before

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Hazardous weather outlook, Jun 10, 4:03 AM CDT, 6 hours 39 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.
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In the hours before

Special weather statement, Jun 10, 10:30 AM CDT, 12 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 Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 10:30 AM CDT	Special Weather Statement	DMX	Boone, Marshall, Story	30 min
Jun 10, 11:02 AM CDT	Flood Watch	DMX	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more	29 hr
Jun 10, 11:08 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy, Marshall, Tama	52 min
Jun 10, 11:33 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	27 min
Jun 10, 11:58 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	15 min
Jun 10, 3:22 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas, Marion, Monroe	38 min
Jun 10, 3:42 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Lucas, Wayne	48 min
Jun 10, 3:44 PM CDT	Tornado Warning	DMX	Decatur, Lucas, Wayne	46 min
Jun 10, 3:57 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Mahaska, Marion, Monroe, Wapello	63 min
Jun 10, 4:23 PM CDT	Tornado Warning	DMX	Appanoose, Lucas, Monroe, Wayne	19 min
Jun 10, 4:27 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Wayne	48 min
Jun 10, 4:41 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DMX	Appanoose	38 min
Jun 10, 5:00 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Mahaska, Monroe, Wapello	19 min
Jun 10, 5:05 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DMX	Davis	55 min
Jun 10, 6:55 PM CDT	Flash Flood Warning	DMX	Appanoose, Davis	6 hr

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.