Alert archive / Illinois / Flash Flood Warnings / 2021

Flash Flood Warnings in Illinois, July 2021

35 flash flood warnings in July 2021. 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 2021. Tap one for its archive.

Flash Flood Warnings
35
Busiest day
July 16, 202117 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 10, 6:18 PM CDTFlash Flood WarningILXClay3 hr
Jul 10, 10:29 PM CDTFlash Flood WarningPAHAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more6 hr
Jul 10, 11:02 PM CDTFlash Flood WarningPAHAlexander5 hr
Jul 11, 11:54 AM CDTFlash Flood WarningDVNHancock6 hr
Jul 11, 2:35 PM CDTFlash Flood WarningDVNHancock, McDonough3 hr
Jul 11, 3:31 PM CDTFlash Flood WarningILXSchuyler3 hr
Jul 11, 5:07 PM CDTFlash Flood WarningILXLogan, Mason, Menard6 hr
Jul 11, 6:00 PM CDTFlash Flood WarningILXLogan5 hr
Jul 11, 8:35 PM CDTFlash Flood WarningILXSangamon3 hr
Jul 11, 9:31 PM CDTFlash Flood WarningILXVermilion3 hr
Jul 12, 6:50 PM CDTFlash Flood WarningLSXMontgomery4 hr
Jul 12, 8:42 PM CDTFlash Flood WarningLOTGrundy, LaSalle5 hr
Jul 12, 11:35 PM CDTFlash Flood WarningILXMarshall, Peoria5 hr
Jul 12, 11:56 PM CDTFlash Flood WarningLOTGrundy, Livingston, Will4 hr
Jul 15, 4:52 AM CDTFlash Flood WarningILXMarshall, Peoria, Stark, Woodford5 hr
Jul 15, 5:01 PM CDTFlash Flood WarningILXDeWitt, McLean3 hr
Jul 15, 7:35 PM CDTFlash Flood WarningILXColes4 hr
Jul 15, 11:22 PM CDTFlash Flood WarningLSXRandolph5 hr
Jul 15, 11:28 PM CDTFlash Flood WarningPAHPerry3 hr
Jul 16, 1:09 AM CDTFlash Flood WarningPAHFranklin, Jefferson6 hr
Jul 16, 2:19 AM CDTFlash Flood WarningPAHPerry6 hr
Jul 16, 6:23 AM CDTFlash Flood WarningPAHJefferson6 hr
Jul 16, 7:04 AM CDTFlash Flood WarningILXMcLean4 hr
Jul 16, 9:41 AM CDTFlash Flood WarningILXMcLean4 hr
Jul 16, 1:21 PM CDTFlash Flood WarningPAHFranklin, Hamilton, Jefferson114 min
Jul 16, 1:41 PM CDTFlash Flood WarningLSXWashington6 hr
Jul 16, 2:04 PM CDTFlash Flood WarningPAHHamilton, Wayne, White116 min
Jul 16, 2:17 PM CDTFlash Flood WarningPAHEdwards, Wabash, White118 min
Jul 16, 3:25 PM CDTFlash Flood WarningPAHFranklin, Jackson, Jefferson, Perry3 hr
Jul 16, 4:04 PM CDTFlash Flood Warning Considerable damage threatPAHPerry2 hr
Jul 16, 4:28 PM CDTFlash Flood WarningPAHFranklin, Hamilton, Wayne3 hr
Jul 16, 4:59 PM CDTFlash Flood WarningPAHEdwards, Wabash, White3 hr
Jul 16, 5:47 PM CDTFlash Flood WarningILXClay, Crawford, Effingham, Jasper, Lawrence, Richland4 hr
Jul 25, 8:28 AM CDTFlash Flood WarningLSXSaint Clair, Washington3 hr
Jul 31, 8:34 AM CDTFlash Flood WarningLSXBond, Calhoun, Greene, Jersey, Macoupin, Montgomery and 1 more4 hr

By county

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

11 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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. Rebuilt daily.