Alert archive / Illinois / Flash Flood Warnings / 2025

Flash Flood Warnings in Illinois, July 2025

67 flash flood warnings in July 2025. 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 2025. Tap one for its archive.

Flash Flood Warnings
67
Busiest day
July 11, 202510 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
Jun 30, 9:15 PM CDTFlash Flood WarningLSXFayette3 hr
Jun 30, 9:54 PM CDTFlash Flood WarningILXEffingham, Jasper3 hr
Jun 30, 10:13 PM CDTFlash Flood WarningILXEffingham2 hr
Jun 30, 10:39 PM CDTFlash Flood WarningILXCrawford, Jasper3 hr
Jun 30, 11:14 PM CDTFlash Flood WarningILXCrawford, Lawrence3 hr
Jun 30, 11:52 PM CDTFlash Flood WarningILXLawrence118 min
Jul 6, 4:17 PM CDTFlash Flood WarningLSXMadison, Saint Clair3 hr
Jul 6, 5:21 PM CDTFlash Flood WarningLSXFayette3 hr
Jul 6, 9:43 PM CDTFlash Flood WarningLOTIroquois3 hr
Jul 8, 2:43 PM CDTFlash Flood WarningDVNRock Island, Whiteside104 min
Jul 8, 5:49 PM CDTFlash Flood WarningILXChristian48 min
Jul 8, 9:45 PM CDTFlash Flood WarningLOTCook3 hr
Jul 10, 5:05 PM CDTFlash Flood WarningLOTBoone, Winnebago6 hr
Jul 10, 6:49 PM CDTFlash Flood WarningDVNJo Daviess3 hr
Jul 10, 7:42 PM CDTFlash Flood WarningDVNCarroll, Jo Daviess, Stephenson, Whiteside4 hr
Jul 10, 7:58 PM CDTFlash Flood WarningLOTBoone, Winnebago3 hr
Jul 10, 8:04 PM CDTFlash Flood WarningDVNJo Daviess, Stephenson3 hr
Jul 10, 8:18 PM CDTFlash Flood WarningLOTOgle3 hr
Jul 10, 10:10 PM CDTFlash Flood WarningDVNRock Island2 hr
Jul 10, 10:33 PM CDTFlash Flood Warning Considerable damage threatDVNRock Island108 min
Jul 10, 10:50 PM CDTFlash Flood WarningDVNBureau, Putnam92 min
Jul 11, 5:26 PM CDTFlash Flood Warning EmergencyConsiderable damage threatDVNRock Island10 hr
Jul 11, 6:30 PM CDTFlash Flood WarningDVNCarroll, Rock Island, Whiteside5 hr
Jul 11, 6:33 PM CDTFlash Flood WarningDVNHenderson, Mercer, Rock Island5 hr
Jul 11, 7:45 PM CDTFlash Flood WarningDVNBureau, Putnam4 hr
Jul 11, 8:25 PM CDTFlash Flood Warning Considerable damage threatDVNHancock, Henderson, McDonough, Warren3 hr
Jul 11, 8:54 PM CDTFlash Flood Warning Considerable damage threatDVNHancock, McDonough, Warren2 hr
Jul 13, 12:50 PM CDTFlash Flood WarningLSXAdams3 hr
Jul 13, 11:39 PM CDTFlash Flood WarningPAHUnion5 hr
Jul 15, 4:39 PM CDTFlash Flood WarningILXClay3 hr
Jul 15, 4:53 PM CDTFlash Flood WarningLSXMadison44 min
Jul 17, 2:39 PM CDTFlash Flood WarningPAHPerry81 min
Jul 17, 3:48 PM CDTFlash Flood WarningLSXClinton, Saint Clair3 hr
Jul 18, 6:25 PM CDTFlash Flood WarningPAHSaline3 hr
Jul 19, 7:58 AM CDTFlash Flood WarningLSXClinton, Madison, Saint Clair3 hr
Jul 19, 9:44 AM CDTFlash Flood WarningDVNMcDonough4 hr
Jul 19, 10:51 AM CDTFlash Flood WarningPAHWabash8 hr
Jul 19, 10:57 AM CDTFlash Flood WarningILXMacon3 hr
Jul 19, 11:10 AM CDTFlash Flood WarningILXClay8 hr
Jul 19, 11:44 AM CDTFlash Flood WarningPAHWayne9 hr
Jul 19, 11:58 AM CDTFlash Flood WarningLSXMarion3 hr
Jul 19, 12:59 PM CDTFlash Flood WarningPAHEdwards, Wabash, Wayne6 hr
Jul 19, 1:32 PM CDTFlash Flood Warning Considerable damage threatPAHHamilton, White6 hr
Jul 19, 3:27 PM CDTFlash Flood WarningPAHFranklin, Williamson4 hr
Jul 20, 10:07 AM CDTFlash Flood WarningDVNBureau51 min
Jul 20, 7:57 PM CDTFlash Flood WarningLSXFayette7 hr
Jul 20, 10:04 PM CDTFlash Flood WarningILXEffingham, Shelby6 hr
Jul 20, 11:08 PM CDTFlash Flood Warning EmergencyCatastrophic damage threatLSXFayette3 hr
Jul 20, 11:33 PM CDTFlash Flood WarningLSXCalhoun, Greene, Jersey, Pike4 hr
Jul 21, 12:12 AM CDTFlash Flood WarningLSXBond, Macoupin, Montgomery3 hr
Jul 21, 12:27 AM CDTFlash Flood WarningLSXCalhoun, Jersey, Madison, Saint Clair3 hr
Jul 21, 12:42 AM CDTFlash Flood WarningLSXFayette, Marion3 hr
Jul 21, 5:32 AM CDTFlash Flood WarningLSXMonroe86 min
Jul 25, 11:43 AM CDTFlash Flood WarningLOTCook, DuPage3 hr
Jul 25, 4:40 PM CDTFlash Flood WarningDVNRock Island4 hr
Jul 25, 6:47 PM CDTFlash Flood WarningILXKnox3 hr
Jul 25, 10:16 PM CDTFlash Flood WarningLOTOgle3 hr
Jul 26, 1:51 AM CDTFlash Flood WarningILXMenard2 hr
Jul 26, 2:15 AM CDTFlash Flood WarningILXLogan, Mason, Menard119 min
Jul 26, 3:33 AM CDTFlash Flood WarningDVNHancock, Henderson8 hr
Jul 26, 7:47 AM CDTFlash Flood WarningDVNHenderson, McDonough, Warren6 hr
Jul 26, 6:31 PM CDTFlash Flood WarningILXChampaign, Piatt3 hr
Jul 26, 11:18 PM CDTFlash Flood WarningLSXCalhoun7 hr
Jul 26, 11:52 PM CDTFlash Flood WarningLSXCalhoun, Greene, Jersey, Macoupin7 hr
Jul 27, 4:07 PM CDTFlash Flood WarningILXCrawford2 hr
Jul 30, 8:14 PM CDTFlash Flood WarningDVNBureau, Putnam3 hr
Jul 30, 8:43 PM CDTFlash Flood Warning Considerable damage threatDVNBureau3 hr

By county

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

16 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

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.