Alert archive / Illinois / Flash Flood Watches

Flash Flood Watches in Illinois, 2011

34 flash flood watches in 2011. 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 2011. Tap one for its archive.

Flash Flood Watches
34
Busiest month
June15 flash flood watches
Busiest day
June 26, 20114 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
Feb 23, 3:07 AM CSTFlash Flood WatchPAHAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more43 hr
Feb 27, 1:21 AM CSTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more32 hr
Mar 3, 3:38 PM CSTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more43 hr
Mar 3, 3:42 PM CSTFlash Flood WatchLSXBond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more36 hr
Apr 21, 3:18 PM CDTFlash Flood WatchILXChampaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more6 days
Apr 21, 3:45 PM CDTFlash Flood WatchLSXBond, Clinton, Fayette, Madison, Marion, Monroe and 3 more6 days
Apr 21, 3:46 PM CDTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more6 days
Apr 29, 8:35 PM CDTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more50 hr
May 1, 4:30 AM CDTFlash Flood WatchLSXBond, Clinton, Fayette, Marion, Monroe, Randolph and 2 more42 hr
May 24, 3:44 PM CDTFlash Flood WatchLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more32 hr
May 25, 2:38 AM CDTFlash Flood WatchDVNBureau, Hancock, Henderson, Henry, McDonough, Mercer and 2 more20 hr
May 25, 1:20 PM CDTFlash Flood WatchILXCass, Champaign, Christian, Clark, Clay, Coles and 29 more10 hr
May 25, 1:57 PM CDTFlash Flood WatchLOTDuPage, Ford, Grundy, Iroquois, Kane, Kankakee and 3 more9 hr
Jun 9, 3:12 AM CDTFlash Flood WatchDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more28 hr
Jun 9, 3:24 PM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Grundy, Kane, Kankakee and 7 more17 hr
Jun 13, 3:47 PM CDTFlash Flood WatchDVNHancock, Henderson, McDonough, Warren39 hr
Jun 13, 3:48 PM CDTFlash Flood WatchILXCass, Christian, Fulton, Mason, Menard, Morgan and 3 more39 hr
Jun 13, 4:02 PM CDTFlash Flood WatchLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more39 hr
Jun 18, 2:16 PM CDTFlash Flood WatchILXChristian, Clay, Effingham, Jasper, Lawrence, Morgan and 4 more17 hr
Jun 18, 3:57 PM CDTFlash Flood WatchLSXBond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more15 hr
Jun 19, 2:10 AM CDTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more7 hr
Jun 19, 2:29 PM CDTFlash Flood WatchILXSangamon15 hr
Jun 19, 10:17 PM CDTFlash Flood WatchDVNHancock, Henderson, McDonough, Mercer, Warren15 hr
Jun 20, 3:25 PM CDTFlash Flood WatchDVNBureau, Hancock, Henderson, Henry, McDonough, Mercer and 2 more12 hr
Jun 26, 1:10 AM CDTFlash Flood WatchILXSangamon6 hr
Jun 26, 2:35 PM CDTFlash Flood WatchILXCass, Morgan, Sangamon, Schuyler, Scott15 hr
Jun 26, 2:43 PM CDTFlash Flood WatchLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more31 hr
Jun 26, 4:46 PM CDTFlash Flood WatchDVNHancock, Henderson, McDonough, Warren14 hr
Jul 23, 2:32 PM CDTFlash Flood WatchDVNCarroll, Jo Daviess, Stephenson, Whiteside14 hr
Jul 23, 4:15 PM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Kane, Kendall, Lake and 4 more18 hr
Jul 27, 11:44 AM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Kane, Kendall, Lake and 4 more43 hr
Jul 27, 3:42 PM CDTFlash Flood WatchDVNCarroll, Jo Daviess, Stephenson, Whiteside31 hr
Nov 21, 3:22 AM CSTFlash Flood WatchLSXRandolph24 hr
Nov 21, 4:12 AM CSTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more28 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.

  1. June 26, 20114flash flood watches
  2. April 21, 20113flash flood watches
  3. May 25, 20113flash flood watches
  4. June 13, 20113flash flood watches
  5. March 3, 20112flash flood watches
  6. June 9, 20112flash flood watches
  7. June 18, 20112flash flood watches
  8. June 19, 20112flash flood watches
  9. June 20, 20112flash flood watches
  10. July 23, 20112flash flood watches
  11. July 27, 20112flash flood watches
  12. November 21, 20112flash flood watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.