Alert archive / Iowa / River Flood Warnings in 2025

River Flood Warning 29, NWS La Crosse, WI

August 19, 2025Clayton County, Iowa

NWS La Crosse, WI issued this river flood warning at Aug 19, 2025, 6:47 AM CDT for Clayton County, Iowa. It took effect at Aug 19, 2025, 5:30 PM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: Aug 19, 2025, 6:47 AM CDT (11:47 UTC)
In effect from: Aug 19, 2025, 5:30 PM CDT
Expired: Aug 21, 2025, 2:33 AM CDT
In force: 33 hr
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Flood severity: Minor

County Clayton County, IA

The radar

The La Crosse radar (KARX), 109 km from the middle of the area, began a volume at 11:50 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 Turkey River at Elkader (EKDI4). The gauge peaked at 13.33 ft at Aug 20, 2025, 12:00 PM CDT.

Action stage: 10 ft
Minor stage: 12 ft
Moderate stage: 16 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05412020, 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 La Crosse, WI wrote its last area forecast discussion before this river flood warning went out at Aug 19, 5:48 AM CDT, 59 minutes earlier.

Area forecast discussion, Aug 19, 5:48 AM CDT, 59 minutes before

<!doctype html>
<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>

Hazardous weather outlook, Aug 19, 4:13 AM CDT, 2 hours 34 minutes before

<!doctype html>
<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 La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 18, 8:16 PM CDT	River Flood Warning	ARX	Richland, Vernon	34 hr
Aug 18, 8:16 PM CDT	River Flood Warning	ARX	Vernon	65 hr
Aug 19, 1:32 AM CDT	Dense Fog Advisory	ARX	Buffalo, Trempealeau	7 hr
Aug 18, 8:19 PM CDT	River Flood Watch	ARX	Clayton	34 hr
Aug 18, 8:05 PM CDT	River Flood Warning	ARX	Mower	11 hr

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.