The storm has caused significant damage across the Chicago area, with flying debris posing a deadly risk to those without shelter. Numerous homes and buildings have been damaged, with some roofs torn off and debris scattered across streets. Flooding has led to road closures in areas like Addison and Chicago's South Side. Power outages have left nearly 500,000 residents without electricity, and transit systems, including Metra and Chicago's Red, Purple, and Yellow lines, have experienced delays and cancellations. The severe weather has also impacted air travel, with ground stops at O'Hare and Midway airports.