The severe weather poses significant risks to residents across northern Illinois and neighboring states. Strong tornadoes could cause extensive damage, including roof destruction, vehicle overturning, and tree snapping. High winds, with gusts potentially reaching hurricane strength, are expected to down trees and power lines, leading to widespread power outages. Travel disruptions are likely, especially for high-profile vehicles. The storms may also produce hail the size of softballs, further increasing the potential for property damage. Officials emphasize that while tornadoes are a major concern, straight-line winds could impact thousands of people across the region.