Waukegan, IL Weather Radar

About Waukegan weather

Waukegan is in Lake County, Illinois, United States at 42.36°, -87.84°. Right now it’s 49° and mostly clear; today’s high is 65° with a 28% chance of rain.

Illinois has a humid continental climate with distinct seasons marked by cold, snowy winters and hot, humid summers. The state's flat terrain allows weather systems to move across without obstruction, leading to rapid temperature changes. Chicago's position on Lake Michigan creates a unique lake-effect weather pattern that can moderate summer heat and intensify winter snowfall.