Alert archive / Illinois / River Flood Warnings in 2026

River Flood Warning 71, NWS Quad Cities, IA

September 20, 2026Henry County, Rock Island County, Illinois

NWS Quad Cities, IA issued this river flood warning at Sep 20, 2026, 9:23 AM CDT for Henry County, Rock Island County, Illinois. It took effect at Sep 21, 2026, 6:00 PM CDT. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued
Sep 20, 2026, 9:23 AM CDT (14:23 UTC)
In effect from
Sep 21, 2026, 6:00 PM CDT
Expired
Sep 23, 2026, 9:46 AM CDT
In force
40 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
Moderate

Counties Henry County, IL, Rock Island County, IL

The radar

The Quad Cities radar (KDVN), 30 km from the middle of the area, began a volume at 14:24 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 at Moline (MLII2).

Action stage
11 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, 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 Sep 20, 6:19 AM CDT, 3 hours 4 minutes earlier.

Area forecast discussion, Sep 20, 6:19 AM CDT, 3 hours 4 minutes before
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Hazardous weather outlook, Sep 20, 4:07 AM CDT, 5 hours 16 minutes before
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In the hours before

Local storm report, Sep 20, 7:31 AM CDT, 1 hour 52 minutes before
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Local storm report, Sep 20, 7:39 AM CDT, 1 hour 44 minutes before
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Local storm report, Sep 20, 8:08 AM CDT, 1 hour 15 minutes before
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Local storm report, Sep 20, 8:38 AM CDT, 45 minutes before
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Local storm report, Sep 20, 8:42 AM CDT, 41 minutes before
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Local storm report, Sep 20, 8:44 AM CDT, 39 minutes before
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 8:42 PM CDTRiver Flood WatchDVNLouisa6 days
Sep 19, 8:42 PM CDTRiver Flood WatchDVNLouisa6 days
Sep 19, 8:50 PM CDTRiver Flood WarningDVNJackson48 hr
Sep 19, 8:57 PM CDTRiver Flood WarningDVNClinton, Scott32 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNMuscatine, Scott4 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNLouisa, Muscatine5 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNLouisa6 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNDes Moines, Louisa6 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNDes Moines7 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNMuscatine5 days
Sep 19, 10:12 PM CDTRiver Flood WatchDVNDes Moines, Lee6 days
Sep 19, 10:20 PM CDTRiver Flood WatchDVNKeokuk11 hr
Sep 19, 11:56 PM CDTSpecial Weather StatementDVNLouisa, Scott64 min
Sep 20, 12:16 AM CDTFlash Flood WarningDVNCedar, Iowa, Johnson, Keokuk, Louisa, Muscatine and 1 more8 hr
Sep 20, 1:03 AM CDTSpecial Weather StatementDVNJefferson, Keokuk, Washington42 min
Sep 20, 1:18 AM CDTSevere Thunderstorm WarningDVNCedar, Henry, Jefferson, Johnson, Keokuk, Louisa and 3 more57 min
Sep 20, 1:38 AM CDTFlash Flood WarningDVNClinton, Muscatine, Scott6 hr
Sep 20, 2:02 AM CDTFlash Flood WarningDVNBenton, Cedar, Iowa, Johnson, Jones, Linn6 hr
Sep 20, 2:12 AM CDTSpecial Weather StatementDVNCedar, Muscatine, Scott48 min
Sep 20, 2:21 AM CDTSevere Thunderstorm WarningDVNClinton, Muscatine, Scott27 min
Sep 20, 5:12 AM CDTFlash Flood WarningDVNDelaware, Dubuque, Jackson, Jones4 hr
Sep 20, 5:17 AM CDTRiver Flood WarningDVNJohnson, Washington4 days
Sep 20, 5:43 AM CDTRiver Flood WarningDVNJohnson, Louisa, Washington4 days
Sep 20, 7:55 AM CDTAreal Flood WarningDVNBenton, Cedar, Iowa, Johnson, Jones, Linn6 hr
Sep 20, 8:04 AM CDTAreal Flood WarningDVNCedar, Iowa, Johnson, Keokuk, Louisa, Muscatine and 1 more6 hr
Sep 20, 9:44 AM CDTRiver Flood WarningDVNKeokuk60 hr
Sep 20, 9:51 AM CDTRiver Flood WarningDVNLouisa, Muscatine4 days
Sep 20, 10:02 AM CDTRiver Flood WatchDVNLouisa35 hr
Sep 20, 10:02 AM CDTRiver Flood WarningDVNBenton, Iowa24 hr
Sep 19, 10:12 PM CDTRiver Flood WatchDVNHancock71 hr
Sep 20, 1:52 AM CDTSpecial Weather StatementDVNBureau53 min
Sep 20, 9:23 AM CDTRiver Flood WarningDVNHenry, Rock Island, Whiteside49 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.