May 17, 2020
Heavy rain fell across many areas of northeast Illinois on May 17th producing widespread flooding which continued into May 18th. Two brief tornadoes also occurred during the afternoon of May 17th. Scattered showers produced a few funnel clouds on May 18th. Some of the highest 48 hour rainfall totals ending Monday morning May 18th included 8.61 inches in River Forest; 5.18 inches near Oak Forest; 4.75 inches near Burr Ridge; 4.70 inches three miles southwest of Midway Airport; 4.59 inches in P
Source: NOAA National Weather Service Storm Events Database (event 894086). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cook County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.