Alert archive / Illinois / Flash Flood Watches / 2017

Flash Flood Watches in Illinois, July 2017

9 flash flood watches in July 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 July 2017. Tap one for its archive.

Flash Flood Watches
9
Busiest day
July 12, 20174 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
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

By county

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

9 more counties

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. Warning verification from the Mesonet's Cow. Rebuilt daily.