Alert archive / Illinois / Areal Flood Warnings

Areal Flood Warnings in Illinois, 2025

29 areal flood warnings in 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 areal flood warnings reaches back to 2005.

Areal Flood Warnings by county

Each county as a circle sized by its count in 2025. Tap one for its archive.

Areal Flood Warnings
29
Busiest month
April13 areal flood warnings
Busiest day
April 5, 20258 areal flood warnings

Over time

By month

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
Jan 31, 12:56 PM CSTAreal Flood WarningLOTCook, Lake5 hr
Feb 15, 8:02 PM CSTAreal Flood WarningPAHAlexander6 hr
Feb 15, 11:18 PM CSTAreal Flood WarningPAHHardin, Massac, Pope8 hr
Apr 4, 8:50 PM CDTAreal Flood WarningLSXCalhoun, Jersey, Saint Clair6 hr
Apr 4, 8:55 PM CDTAreal Flood WarningLSXBond, Fayette, Greene, Jersey, Macoupin, Madison and 1 more6 hr
Apr 5, 12:17 AM CDTAreal Flood WarningILXClark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more12 hr
Apr 5, 1:34 AM CDTAreal Flood WarningLSXClinton, Monroe, Randolph, Saint Clair, Washington5 hr
Apr 5, 1:41 AM CDTAreal Flood WarningILXLawrence11 hr
Apr 5, 2:11 AM CDTAreal Flood WarningLSXBond, Clinton, Fayette, Marion5 hr
Apr 5, 12:00 PM CDTAreal Flood WarningILXClark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more71 hr
Apr 5, 5:07 PM CDTAreal Flood WarningPAHMassac42 hr
Apr 5, 8:56 PM CDTAreal Flood WarningPAHFranklin, Hamilton, Jackson, Jefferson, Johnson, Perry and 4 more37 hr
Apr 5, 9:20 PM CDTAreal Flood WarningPAHAlexander37 hr
Apr 5, 9:26 PM CDTAreal Flood WarningPAHEdwards, Gallatin, Saline, Wabash, White37 hr
Apr 5, 9:31 PM CDTAreal Flood WarningPAHHardin, Pope37 hr
Apr 7, 9:05 AM CDTAreal Flood WarningPAHAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more48 hr
Jul 10, 10:52 PM CDTAreal Flood WarningLOTBoone, Winnebago6 hr
Jul 10, 10:52 PM CDTAreal Flood WarningLOTOgle6 hr
Jul 19, 6:53 PM CDTAreal Flood WarningPAHWayne99 min
Jul 21, 2:48 AM CDTAreal Flood WarningLSXFayette7 hr
Jul 25, 2:32 PM CDTAreal Flood WarningLOTCook, DuPage3 hr
Jul 26, 1:11 AM CDTAreal Flood WarningLOTOgle6 hr
Jul 27, 5:58 AM CDTAreal Flood WarningLSXCalhoun7 hr
Jul 27, 6:33 AM CDTAreal Flood WarningLSXCalhoun, Greene, Jersey117 min
Aug 17, 6:14 AM CDTAreal Flood WarningLOTKane, Kendall, Will6 hr
Aug 17, 4:57 PM CDTAreal Flood WarningLSXAdams78 min
Aug 18, 8:35 PM CDTAreal Flood WarningLOTDeKalb, Kane, Kendall, LaSalle, Lee14 hr
Aug 18, 9:09 PM CDTAreal Flood WarningLOTKendall3 hr
Aug 18, 11:33 PM CDTAreal Flood WarningLOTCook13 hr

By county

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

14 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 5, 20258areal flood warnings
  2. April 6, 20254areal flood warnings
  3. August 19, 20253areal flood warnings
  4. February 16, 20252areal flood warnings
  5. July 11, 20252areal flood warnings
  6. July 27, 20252areal flood warnings
  7. August 17, 20252areal flood warnings
  8. January 31, 20251areal flood warnings
  9. April 7, 20251areal flood warnings
  10. July 19, 20251areal flood warnings
  11. July 21, 20251areal flood warnings
  12. July 25, 20251areal flood warnings

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.