Alert archive / Illinois / Flash Flood Watches / 2018

Flash Flood Watches in Illinois, June 2018

10 flash flood watches in June 2018. 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 June 2018. Tap one for its archive.

Flash Flood Watches
10
Busiest day
June 9, 20182 flash flood watches

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 9, 3:01 PM CDTFlash Flood WatchDVNBureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more16 hr
Jun 9, 3:29 PM CDTFlash Flood WatchLOTLaSalle, Lee, Ogle, Winnebago19 hr
Jun 10, 7:30 PM CDTFlash Flood WatchILXCass, Christian, Clark, Clay, Coles, Crawford and 13 more14 hr
Jun 11, 2:57 PM CDTFlash Flood WatchILXCass, Christian, Clark, Clay, Coles, Crawford and 13 more21 hr
Jun 12, 7:08 AM CDTFlash Flood WatchPAHEdwards, Wabash, Wayne, White13 hr
Jun 12, 2:59 PM CDTFlash Flood WatchILXClay, Crawford, Effingham, Jasper, Lawrence, Richland5 hr
Jun 21, 3:28 AM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more34 hr
Jun 21, 3:47 AM CDTFlash Flood WatchDVNBureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more23 hr
Jun 26, 2:46 AM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Kane, Kendall, Lake and 5 more22 hr
Jun 26, 3:18 AM CDTFlash Flood WatchDVNBureau, Carroll, Henry, Jo Daviess, Putnam, Stephenson and 1 more18 hr

By county

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

4 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.