The storms caused extensive damage to homes, vehicles, and infrastructure in Chicago's south suburbs and parts of Northwest Indiana. Downed trees and power lines left roads blocked, and some residents were trapped in their homes or workplaces. Wind gusts of up to 115 mph caused structural damage, while rain-wrapped tornadoes posed additional risks due to reduced visibility. Power outages affected many areas, and some residents were forced to seek shelter in basements or bathrooms. The storms also disrupted transportation, with Interstate 65 closed at I-94 in Indiana due to downed power lines.