Winds topping nearly 70 miles per hour snapped a number of trees in the Rockford area. Some of the trees landed on power lines and buildings.
One person was hurt when a tree landed on a home.
The strong winds also lifted away part of the roof of a middle school.
In the town of Bradley, Ill., a worker at a Walmart was transported to a hospital after being hit by lightning.
The fire department confirms the worker was pushing carts in the parking lot when she was struck.