EF1 tornado in Cook County, Illinois

A tornado with estimated peak winds of 100 mph touched down near Kedzie Avenue and 194th Street. Extensive tree damage occurred near Hawthorne Lane including large trees snapped and other trees uprooted. The tornado began moving northeast, crossing Flossmoor Road with more trees uprooted and snapped near Hagen Lane. Trees were snapped south of Willow Road and some homes suffered minor roof damage as well as had windows blown out. Tree damage continued along the path and then the tornado partially ripped off the roof to the Thornton Recreation Center on Laura Lane. Trees were snapped and utility poles were blown down in this area along with a large tree limb that fell onto a house. The tornado ended near Interstate 294 and Chicago Road.

A derecho moved across northern Illinois during the evening of July 15th producing widespread wind damage and 30 tornadoes in northeast Illinois. One of these tornadoes crossed into northwest Indiana. At the height of the storms, 430,000 customers lost power with some power not restored for four days, on July 19th.