Des Plaines, IL Weather Radar

About Des Plaines weather

Des Plaines is in Cook County, Illinois, United States at 42.03°, -87.88°. Right now it’s 58° and cloudy; today’s high is 69° with a 31% 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.