Jul 23, 2022
Thunderstorms developed late in the evening of July 22nd across northeast Illinois and continued into the morning of July 23rd. Numerous thunderstorms moved over the same areas across portions of Lake County, producing torrential rain and flash flooding. Large hail also occurred. Three tornadoes occurred in the southern suburbs of Chicago just after sunrise. Additional thunderstorms developed during the morning and continued into the afternoon of July 23rd, producing isolated large hail and w
Source: NOAA National Weather Service Storm Events Database (event 1041732). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Du Page County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.