Alert archive / Illinois / Flash Flood Warnings / 2023

Flash Flood Warnings in Illinois, July 2023

31 flash flood warnings in July 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

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

Flash Flood Warnings
31
Busiest day
July 19, 202310 flash 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
Jul 1, 2:56 AM CDTFlash Flood WarningLSXAdams, Brown2 hr
Jul 1, 5:00 PM CDTFlash Flood WarningPAHEdwards, Wabash4 hr
Jul 1, 6:13 PM CDTFlash Flood WarningILXClark, Crawford3 hr
Jul 1, 8:08 PM CDTFlash Flood WarningLSXAdams3 hr
Jul 2, 9:16 AM CDTFlash Flood WarningLOTCook, DuPage, Will4 hr
Jul 2, 10:15 AM CDTFlash Flood Warning Considerable damage threatLOTCook4 hr
Jul 2, 12:23 PM CDTFlash Flood WarningILXMarshall, Peoria, Tazewell, Woodford54 min
Jul 2, 2:38 PM CDTFlash Flood WarningLOTCook4 hr
Jul 5, 3:12 PM CDTFlash Flood WarningDVNHenderson, Warren4 hr
Jul 5, 7:07 PM CDTFlash Flood WarningLOTCook3 hr
Jul 12, 1:20 PM CDTFlash Flood WarningLOTCook, DuPage, Will3 hr
Jul 14, 8:29 PM CDTFlash Flood WarningPAHHamilton6 hr
Jul 14, 9:29 PM CDTFlash Flood WarningLSXClinton, Saint Clair4 hr
Jul 14, 9:36 PM CDTFlash Flood Warning Considerable damage threatPAHHamilton9 hr
Jul 14, 9:48 PM CDTFlash Flood WarningPAHFranklin6 hr
Jul 19, 3:06 AM CDTFlash Flood WarningPAHPulaski9 hr
Jul 19, 4:49 AM CDTFlash Flood WarningPAHJohnson, Pope, Williamson6 hr
Jul 19, 6:21 AM CDTFlash Flood WarningPAHWilliamson4 hr
Jul 19, 7:01 AM CDTFlash Flood WarningPAHMassac6 hr
Jul 19, 7:37 AM CDTFlash Flood WarningPAHJohnson, Pope3 hr
Jul 19, 7:41 AM CDTFlash Flood WarningPAHAlexander, Jackson, Union6 hr
Jul 19, 8:28 AM CDTFlash Flood WarningPAHAlexander6 hr
Jul 19, 9:09 AM CDTFlash Flood Warning EmergencyCatastrophic damage threatPAHPulaski4 hr
Jul 19, 10:42 AM CDTFlash Flood WarningPAHJohnson3 hr
Jul 19, 12:30 PM CDTFlash Flood Warning Considerable damage threatPAHMassac, Pulaski5 hr
Jul 20, 9:46 AM CDTFlash Flood WarningLSXRandolph3 hr
Jul 20, 10:14 AM CDTFlash Flood WarningPAHMassac, Pulaski2 hr
Jul 28, 8:24 PM CDTFlash Flood WarningLOTDuPage, Kane4 hr
Jul 28, 9:09 PM CDTFlash Flood WarningDVNJo Daviess3 hr
Jul 28, 9:16 PM CDTFlash Flood WarningLOTBoone, Winnebago3 hr
Jul 28, 11:01 PM CDTFlash Flood WarningLOTCook108 min

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.