Peoria, IL Weather Radar

About Peoria weather

Peoria is in Peoria County, Illinois, United States at 40.69°, -89.59°. Right now it’s 69° and clear; today’s high is 81° 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.