Alert archive / Illinois / River Flood Warnings in 2026
River Flood Warning 12, NWS St. Louis, MO
NWS St. Louis, MO issued this river flood warning at Mar 8, 2026, 8:50 AM CDT for Clinton County, Illinois. It was in force for 17 days.
The area
The counties it named.
The facts
- Issued
- Mar 8, 2026, 8:50 AM CDT (13:50 UTC)
- Expired
- Mar 25, 2026, 10:22 AM CDT
- In force
- 17 days
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- Minor
County Clinton County, IL
The radar
The St Louis radar (KLSX), 110 km from the middle of the area, began a volume at 13:53 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 Kaskaskia River at Carlyle (KCAI2). The gauge peaked at 20.47 ft at Mar 16, 2026, 5:00 AM CDT.
- Action stage
- 15 ft
- Minor stage
- 16.5 ft
- Moderate stage
- 23 ft
- Major stage
- 27 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05593000, 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 St. Louis, MO wrote its last area forecast discussion before this river flood warning went out at Mar 7, 2:15 PM CST, 17 hours 35 minutes earlier.
Area forecast discussion, Mar 7, 2:15 PM CST, 17 hours 35 minutes before
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</html>Hazardous weather outlook, Mar 7, 2:16 PM CST, 17 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 St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 7:30 PM CST | River Flood Warning | LSX | Jefferson, Saint Louis | 70 hr |
Nearby
River Flood Warnings in Illinois, 2026Every river flood 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; the gauge from the NWS water service and the USGS.