Alert archive / Illinois / Flash Flood Watches

Flash Flood Watches in Illinois, 2017

23 flash flood watches in 2017. 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 watches reaches back to 2005.

Flash Flood Watches by county

Each county as a circle sized by its count in 2017. Tap one for its archive.

Flash Flood Watches
23
Busiest month
July9 flash flood watches
Busiest day
July 12, 20174 flash flood watches

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 17, 12:41 PM CSTFlash Flood WatchDVNHenry27 hr
Feb 28, 2:49 PM CSTFlash Flood WatchPAHGallatin, Hardin, Johnson, Massac, Pope, Pulaski and 2 more18 hr
Apr 27, 3:57 AM CDTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more4 days
Apr 27, 4:29 AM CDTFlash Flood WatchLSXBond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more4 days
Apr 27, 2:41 PM CDTFlash Flood WatchILXCass, Champaign, Christian, Clark, Clay, Coles and 25 more5 days
Apr 28, 3:05 PM CDTFlash Flood WatchLOTDuPage, Ford, Grundy, Iroquois, Kane, Kankakee and 3 more61 hr
May 2, 4:07 AM CDTFlash Flood WatchLSXBond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more64 hr
May 2, 1:42 PM CDTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Jackson and 9 more62 hr
May 2, 2:55 PM CDTFlash Flood WatchILXCass, Champaign, Christian, Clark, Clay, Coles and 19 more61 hr
May 20, 7:28 AM CDTFlash Flood WatchILXSangamon35 hr
Jun 22, 9:31 AM CDTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more31 hr
Jun 28, 8:03 PM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Kane, Lake, Lee and 3 more8 hr
Jul 12, 9:39 AM CDTFlash Flood WatchDVNJo Daviess6 hr
Jul 12, 2:32 PM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more12 hr
Jul 12, 3:13 PM CDTFlash Flood WatchDVNBureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more12 hr
Jul 12, 3:21 PM CDTFlash Flood WatchILXFulton, Knox, McLean, Marshall, Peoria, Stark and 2 more11 hr
Jul 20, 2:15 PM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more42 hr
Jul 20, 3:55 PM CDTFlash Flood WatchDVNBureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more41 hr
Jul 26, 3:07 AM CDTFlash Flood WatchILXCass, Christian, Fulton, Knox, Logan, Marshall and 10 more12 hr
Jul 26, 3:23 AM CDTFlash Flood WatchDVNBureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more20 hr
Jul 26, 3:55 AM CDTFlash Flood WatchLSXAdams, Brown, Pike19 hr
Oct 14, 2:55 AM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more25 hr
Oct 14, 3:30 AM CDTFlash Flood WatchDVNBureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more19 hr

By county

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

60 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20162018

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.