Jun 22, 2024
A line of severe thunderstorms dropped south across northern Illinois during the evening and night of the 22nd. The line produced four EF-0 tornadoes in addition to widespread wind damage across the Chicago metro. Many also saw torrential rainfall and localized flash flooding, particularly in extreme northeast Illinois north of the I-90 corridor where a widespread 3-6 of rain fell.
Source: NOAA National Weather Service Storm Events Database (event 1193324). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in McHenry County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.