Alert archive / Wisconsin / River Flood Warnings in 2025

River Flood Warning 18, NWS Milwaukee, WI

August 11, 2025Waukesha County, Wisconsin

NWS Milwaukee, WI issued this river flood warning at Aug 11, 2025, 4:09 AM CDT for Waukesha County, Wisconsin. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: Aug 11, 2025, 4:09 AM CDT (09:09 UTC)
Expired: Sep 1, 2025, 4:09 AM CDT
In force: 21 days
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Flood severity: Minor

County Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 21 km from the middle of the area, began a volume at 09:12 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 Menomonee River at Menomonee Falls (MFSW3). The gauge peaked at 8.29 ft at Aug 12, 2025, 6:00 AM CDT.

Action stage: 6.5 ft
Minor stage: 7.5 ft
Moderate stage: 8.5 ft
Major stage: 10 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04087030, 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 Milwaukee, WI wrote its last area forecast discussion before this river flood warning went out at Aug 10, 4:42 PM CDT, 11 hours 27 minutes earlier.

Area forecast discussion, Aug 10, 4:42 PM CDT, 11 hours 27 minutes before

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Hazardous weather outlook, Aug 10, 3:16 PM CDT, 12 hours 53 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 Milwaukee, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 10, 7:52 PM CDT	Areal Flood Advisory	MKX	Iowa, Lafayette	3 hr
Aug 10, 8:36 PM CDT	Special Weather Statement	MKX	Sauk	39 min
Aug 10, 9:44 PM CDT	Special Weather Statement	MKX	Jefferson	46 min
Aug 10, 10:55 PM CDT	Areal Flood Advisory	MKX	Jefferson, Rock	3 hr

Nearby

River Flood Warnings in Wisconsin, 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.