Alert archive / Iowa / River Flood Warnings in 2026

River Flood Warning 55, NWS Quad Cities, IA

July 4, 2026Clinton County, Scott County, Iowa

NWS Quad Cities, IA issued this river flood warning at Jul 4, 2026, 10:35 AM CDT for Clinton County, Scott County, Iowa. It took effect at Jul 5, 2026, 10:37 AM CDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Jul 4, 2026, 10:35 AM CDT (15:35 UTC)
In effect from: Jul 5, 2026, 10:37 AM CDT
Expired: Jul 11, 2026, 7:56 PM CDT
In force: 6 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Major

Counties Clinton County, IA, Scott County, IA

The radar

The Quad Cities radar (KDVN), 17 km from the middle of the area, began a volume at 15:34 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 Wapsipinicon River near DeWitt (DEWI4). The gauge peaked at 12.25 ft at Jul 10, 2026, 2:00 AM CDT.

Action stage: 10 ft
Minor stage: 11 ft
Moderate stage: 11.5 ft
Major stage: 12.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05422000, 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 Jul 4, 5:58 AM CDT, 4 hours 37 minutes earlier.

Area forecast discussion, Jul 4, 5:58 AM CDT, 4 hours 37 minutes before

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Hazardous weather outlook, Jul 4, 3:08 AM CDT, 7 hours 27 minutes before

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
308 AM CDT Sat Jul 4 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-050815-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
308 AM CDT Sat Jul 4 2026

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Scattered thunderstorms will be possible today. Heavy rain and
gusty winds up to 50 mph will be the primary threats. Repeating
rounds of slow moving storms will bring an elevated risk for flash
flooding.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

Scattered thunderstorms will be possible Sunday. Heavy rain and
gusty winds will be the primary threats. The repeated rounds of
heavy rain will produce rises on some area creeks and tributary
rivers, with a few reaching bankfull or even flood stage through
early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today.

GROSS

In the hours before

Special weather statement, Jul 4, 5:07 AM CDT, 5 hours 28 minutes before

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Special weather statement, Jul 4, 5:27 AM CDT, 5 hours 8 minutes before

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Local storm report, Jul 4, 8:12 AM CDT, 2 hours 23 minutes before

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Local storm report, Jul 4, 9:30 AM CDT, 1 hour 5 minutes before

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Local storm report, Jul 4, 9:46 AM CDT, 49 minutes before

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Local storm report, Jul 4, 9:47 AM CDT, 48 minutes before

Preliminary Local Storm Report
National Weather Service Quad Cities IA IL
947 AM CDT Sat Jul 4 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     Rain             2 SW Williamstown       41.54N 91.75W
07/04/2026  M1.15 Inch       Johnson            IA   Trained Spotter

            24 hr rain total.

&&

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 7:08 PM CDT	Special Weather Statement	DVN	Iowa, Keokuk, Washington	52 min
Jul 3, 7:32 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine, Scott	58 min
Jul 3, 7:50 PM CDT	Flash Flood Warning	DVN	Scott	3 hr
Jul 3, 8:37 PM CDT	River Flood Warning	DVN	Cedar, Jones, Linn	4 days
Jul 3, 9:31 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee	59 min
Jul 4, 3:29 AM CDT	Severe Thunderstorm Warning	DVN	Iowa, Keokuk	61 min
Jul 4, 4:25 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Iowa, Johnson, Linn	65 min
Jul 4, 5:27 AM CDT	Special Weather Statement	DVN	Clinton, Scott	48 min
Jul 4, 9:38 AM CDT	River Flood Warning	DVN	Benton, Iowa	6 days
Jul 4, 6:59 PM CDT	Special Weather Statement	DVN	Dubuque	46 min
Jul 3, 7:04 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess, Stephenson	56 min
Jul 3, 7:23 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Whiteside	39 min
Jul 3, 8:14 PM CDT	Special Weather Statement	DVN	Whiteside	46 min
Jul 3, 8:55 PM CDT	Special Weather Statement	DVN	Bureau, Putnam	65 min
Jul 4, 5:07 AM CDT	Special Weather Statement	DVN	Bureau, Putnam	38 min
Jul 4, 2:00 PM CDT	Special Weather Statement	DVN	Putnam	45 min
Jul 4, 2:58 PM CDT	Flash Flood Warning	DVN	Bureau, Putnam	5 hr

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.