Alert archive / Illinois / River Flood Warnings / 2023

River Flood Warnings in Illinois, April 2023

37 river flood warnings in April 2023. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood warnings reaches back to 2005.

River Flood Warnings by county

Each county as a circle sized by its count in April 2023. Tap one for its archive.

River Flood Warnings
37
Busiest day
April 17, 20239 river flood warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Mar 31, 11:04 PM CDTRiver Flood WarningLOTCook22 hr
Apr 1, 11:30 AM CDTRiver Flood WarningLOTBureau, LaSalle, Putnam3 days
Apr 1, 9:00 PM CDTRiver Flood WarningDVNHenry, Rock Island, Whiteside23 hr
Apr 4, 5:46 PM CDTRiver Flood WarningLOTKane, Lake, McHenry14 hr
Apr 4, 7:04 PM CDTRiver Flood WarningLOTCook40 hr
Apr 4, 8:48 PM CDTRiver Flood WarningDVNHenry, Rock Island, Whiteside6 days
Apr 5, 1:45 AM CDTRiver Flood WarningMKXWinnebago21 days
Apr 5, 9:26 AM CDTRiver Flood WarningMKXLake6 days
Apr 5, 9:57 AM CDTRiver Flood WarningDVNHenry, Rock Island4 days
Apr 5, 6:01 PM CDTRiver Flood WarningINDLawrence, Wabash67 hr
Apr 5, 8:02 PM CDTRiver Flood WarningLOTBureau, LaSalle, Putnam24 hr
Apr 14, 11:57 AM CDTRiver Flood WarningDVNJo Daviess32 days
Apr 14, 12:00 PM CDTRiver Flood WarningDVNJo Daviess28 days
Apr 14, 12:04 PM CDTRiver Flood WarningDVNHenderson40 days
Apr 14, 12:07 PM CDTRiver Flood WarningDVNHancock, Henderson40 days
Apr 17, 12:38 PM CDTRiver Flood WarningDVNRock Island, Whiteside30 days
Apr 17, 12:41 PM CDTRiver Flood WarningDVNCarroll, Jo Daviess23 days
Apr 17, 12:42 PM CDTRiver Flood WarningDVNCarroll, Whiteside26 days
Apr 17, 12:45 PM CDTRiver Flood WarningDVNRock Island27 days
Apr 17, 12:47 PM CDTRiver Flood WarningDVNRock Island32 days
Apr 17, 12:48 PM CDTRiver Flood WarningDVNRock Island30 days
Apr 17, 12:50 PM CDTRiver Flood WarningDVNMercer, Rock Island34 days
Apr 17, 1:05 PM CDTRiver Flood WarningDVNMercer34 days
Apr 17, 1:07 PM CDTRiver Flood WarningDVNHenderson, Mercer36 days
Apr 20, 11:58 AM CDTRiver Flood WarningLSXCalhoun35 days
Apr 20, 11:58 AM CDTRiver Flood WarningLSXPike34 days
Apr 20, 11:58 AM CDTRiver Flood WarningLSXPike34 days
Apr 20, 11:58 AM CDTRiver Flood WarningLSXAdams26 days
Apr 21, 11:34 AM CDTRiver Flood WarningLSXPike30 days
Apr 21, 11:34 AM CDTRiver Flood WarningLSXCalhoun32 days
Apr 23, 11:05 AM CDTRiver Flood WarningDVNHancock23 days
Apr 23, 11:14 AM CDTRiver Flood WarningLSXAdams21 days
Apr 23, 11:14 AM CDTRiver Flood WarningLSXAdams22 days
Apr 23, 11:14 AM CDTRiver Flood WarningLSXAdams21 days
Apr 24, 12:25 PM CDTRiver Flood WarningDVNHancock21 days
Apr 26, 1:08 PM CDTRiver Flood WarningLSXJersey21 days
Apr 27, 10:51 AM CDTRiver Flood WarningLSXCalhoun, Greene, Jersey49 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.