Alert archive / Illinois / River Flood Warnings in 2026

River Flood Warning 41, NWS Quad Cities, IA

June 12, 2026Henry County, Rock Island County, Whiteside County, Illinois

NWS Quad Cities, IA issued this river flood warning at Jun 12, 2026, 11:18 AM CDT for Henry County, Rock Island County, Whiteside County, Illinois. It took effect at Jun 13, 2026, 8:12 AM CDT. It was in force for 61 hr.

The area

The counties it named.

The facts

Issued
Jun 12, 2026, 11:18 AM CDT (16:18 UTC)
In effect from
Jun 13, 2026, 8:12 AM CDT
Expired
Jun 15, 2026, 9:01 PM CDT
In force
61 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
Minor

Counties Henry County, IL, Rock Island County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 33 km from the middle of the area, began a volume at 16:20 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 Rock River near Joslin (JOSI2).

Action stage
11 ft
Minor stage
12 ft
Moderate stage
14 ft
Major stage
16.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05446500, 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 Jun 11, 6:30 PM CDT, 16 hours 48 minutes earlier.

Area forecast discussion, Jun 11, 6:30 PM CDT, 16 hours 48 minutes before
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Hazardous weather outlook, Jun 11, 1:14 PM CDT, 22 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
114 PM CDT Thu Jun 11 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-121815-
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-
114 PM CDT Thu Jun 11 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...THIS AFTERNOON AND TONIGHT

Another round of storms capable of producing severe weather will
develop this afternoon and evening. The main threat area is east
of the Mississippi River.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Thunderstorms are expected Saturday afternoon and evening across
the area, some of which may be severe. The Storm Prediction Center
has a slight, level 2 out of 5, risk for parts of the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed today.

NWS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 9:48 AM CDTRiver Flood WarningDVNLouisa, Muscatine65 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.