Alert archive / Iowa / River Flood Warnings in 2026

River Flood Warning 4, NWS Quad Cities, IA

April 4, 2026Benton County, Iowa County, Iowa

NWS Quad Cities, IA issued this river flood warning at Apr 4, 2026, 8:48 PM CDT for Benton County, Iowa County, Iowa. It took effect at Apr 6, 2026, 2:30 PM CDT. It was in force for 19 days.

The area

The counties it named.

The facts

Issued: Apr 4, 2026, 8:48 PM CDT (01:48 UTC)
In effect from: Apr 6, 2026, 2:30 PM CDT
Expired: Apr 25, 2026, 8:48 PM CDT
In force: 19 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Benton County, IA, Iowa County, IA

The radar

The Quad Cities radar (KDVN), 127 km from the middle of the area, began a volume at 01:50 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 Iowa River at Marengo (MROI4). The gauge peaked at 16.05 ft at Apr 11, 2026, 1:00 AM CDT.

Action stage: 13 ft
Minor stage: 15 ft
Moderate stage: 17 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05453100, 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 Quad Cities, IA wrote its last area forecast discussion before this river flood warning went out at Apr 4, 6:10 PM CDT, 2 hours 38 minutes earlier.

Area forecast discussion, Apr 4, 6:10 PM CDT, 2 hours 38 minutes before

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Hazardous weather outlook, Apr 4, 2:51 PM CDT, 5 hours 57 minutes before

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In the hours before

Local storm report, Apr 4, 5:32 PM CDT, 3 hours 16 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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Nearby

River Flood Warnings in Iowa, 2026 Every 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.