A tornado watch is in effect for portions of northern Illinois until Monday morning, the National Weather Service reported.
A line of showers and strong thunderstorms entering the area has triggered the watch through 4 a.m. Monday for Kankakee, Grundy, LaSalle, Iroquois, Ford, Lee and Livingston counties, the weather service said.
A tornado watch has been issued for parts of Illinois until 4 AM CDT pic.twitter.com/AHKsVnq245
— NWS Chicago (@NWSChicago) April 21, 2025
The storms were expected to bring winds of up to 70 mph and potential hail, officials said.
Chicago and a majority of the suburbs remained in a limited thunderstorm risk area, but strong winds of up to 60 mph were still possible, officials said.