Alert archive / Iowa / River Flood Warnings in 2025

River Flood Warning 8, NWS Des Moines, IA

July 24, 2025Cerro Gordo County, Floyd County, Worth County, Iowa

NWS Des Moines, IA issued this river flood warning at Jul 24, 2025, 8:36 AM CDT for Cerro Gordo County, Floyd County, Worth County, Iowa. It took effect at Jul 24, 2025, 10:31 AM CDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued: Jul 24, 2025, 8:36 AM CDT (13:36 UTC)
In effect from: Jul 24, 2025, 10:31 AM CDT
Expired: Jul 27, 2025, 11:00 AM CDT
In force: 3 days
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Cerro Gordo County, IA, Floyd County, IA, Worth County, IA

The radar

The Des Moines radar (KDMX), 168 km from the middle of the area, began a volume at 13:36 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.

The river

Written for the forecast point Winnebago River at Mason City (MCWI4). The gauge peaked at 10.45 ft at Jul 24, 2025, 8:00 PM CDT.

Action stage: 8 ft
Minor stage: 10 ft
Moderate stage: 14.5 ft
Major stage: 15.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05459500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood 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 river flood warning went out at Jul 24, 6:41 AM CDT, 1 hour 55 minutes earlier.

Area forecast discussion, Jul 24, 6:41 AM CDT, 1 hour 55 minutes before

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Hazardous weather outlook, Jul 24, 7:15 AM CDT, 1 hour 21 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 10:43 PM CDT	Flash Flood Warning	DMX	Worth	6 hr
Jul 24, 12:06 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Boone, Calhoun, Carroll, Dallas, Greene and 3 more	39 min
Jul 24, 12:23 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Boone, Cass, Dallas, Greene and 2 more	52 min
Jul 24, 12:45 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Greene, Guthrie, Polk, Story	45 min
Jul 24, 9:54 AM CDT	River Flood Watch	DMX	Black Hawk, Bremer, Butler	20 hr
Jul 24, 9:54 AM CDT	River Flood Watch	DMX	Black Hawk	45 hr
Jul 24, 9:54 AM CDT	River Flood Watch	DMX	Black Hawk	4 days
Jul 24, 9:54 AM CDT	River Flood Watch	DMX	Poweshiek, Tama	4 days

Nearby

River Flood Warnings in Iowa, 2025 Every river flood 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; the gauge from the NWS water service and the USGS.