The storms pose significant risks, including large hail, damaging winds, and isolated tornadoes. Flash flooding is a major concern, with a Level 2 out of 4 risk issued for areas from Chicago to Pittsburgh. Localized flooding is particularly likely in northern Indiana, Ohio, and West Virginia, where repeated heavy rainfall could lead to dangerous conditions. Power outages have already been reported in parts of Illinois, with over 1,000 customers affected. The National Weather Service recorded wind gusts up to 73 mph in Fort Wayne, Indiana.