Chicago, IL Weather Radar

About Chicago weather

Chicago is in Cook County, Illinois, United States at 41.85°, -87.65°. Right now it’s 69° and partly cloudy; today’s high is 76° with a 0% 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.