Alert archive / Iowa / River Flood Warnings in 2025
River Flood Warning 25, NWS La Crosse, WI
NWS La Crosse, WI issued this river flood warning at Aug 18, 2025, 1:04 PM CDT for Winneshiek County, Iowa. It took effect at Aug 18, 2025, 7:00 PM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Aug 18, 2025, 1:04 PM CDT (18:04 UTC)
- In effect from
- Aug 18, 2025, 7:00 PM CDT
- Expired
- Aug 18, 2025, 6:33 PM CDT
- In force
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- Minor
County Winneshiek County, IA
The radar
The La Crosse radar (KARX), 79 km from the middle of the area, began a volume at 18:06 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 Upper Iowa River at Decorah (DEHI4).
- Action stage
- 9 ft
- Minor stage
- 12 ft
- Moderate stage
- 13 ft
- Major stage
- 14 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05387500, 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 17, 6:49 PM CDT, 18 hours 15 minutes earlier.
Area forecast discussion, Aug 17, 6:49 PM CDT, 18 hours 15 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>Hazardous weather outlook, Aug 17, 3:08 PM CDT, 21 hours 56 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 La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 6:29 AM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 12 hr |
| Aug 18, 8:33 AM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 3 days |
| Aug 18, 9:58 AM CDT | Areal Flood Advisory | ARX | Monroe, Vernon | 3 hr |
| Aug 18, 2:51 PM CDT | River Flood Watch | ARX | Richland, Vernon | 5 hr |
| Aug 18, 2:51 PM CDT | River Flood Watch | ARX | Crawford | 3 days |
| Aug 18, 2:51 PM CDT | River Flood Watch | ARX | Crawford | 20 hr |
| Aug 18, 6:42 AM CDT | River Flood Warning | ARX | Allamakee | 48 hr |
| Aug 18, 7:20 AM CDT | Flash Flood Warning | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 4 hr |
| Aug 18, 9:37 AM CDT | River Flood Warning | ARX | Floyd | 59 hr |
| Aug 18, 11:02 AM CDT | Areal Flood Warning | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 31 hr |
| Aug 18, 11:17 AM CDT | River Flood Warning | ARX | Winneshiek | 43 hr |
| Aug 18, 2:37 PM CDT | River Flood Watch | ARX | Clayton | 62 hr |
| Aug 18, 6:29 AM CDT | River Flood Warning | ARX | Mower | 48 hr |
| Aug 18, 7:42 AM CDT | River Flood Warning | ARX | Mower | 6 hr |
Nearby
River Flood Warnings in Iowa, 2025Every 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.