The Storm Prediction Center has areas far to the south of Chicago in Kankakee County in Illinois and Newton and Jasper counties in Northwest Indiana under a Level 4 risk for severe weather.
The South Side of Chicago and southern suburbs are under a Level 3 risk for severe weather and the North Side and northern suburbs are under a Level 2 risk.
ABC7 Accuweather Meteorologist Tracy Butler said heavy rain is likely in the morning hours, with the risk for severe weather increasing in the mid to late afternoon and evening hours.