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Flash Flood — Cook, IL

Jul 21, 2001

Thunderstorms formed along a lake breeze in northeast Illinois during the late afternoon and evening of Saturday, July 21st. Trees were blown down in Monee in Will county at 1710 CST. One 12 inch diameter tree was blown down in Orland Park in Cook county at 1740 CST and numerous trees were blown down in Tinley Park at 1745 CST. Trees were also blown down east of Beaverville and east of Askkum in Iroquois county. Approximately 30,000 customers lost power from the storms. Lightning struck a h

Source: NOAA National Weather Service Storm Events Database (event 5258121). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Cook, IL

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.

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