Flood Warning in Effect for DuPage River in Will and Kendall Counties, Illinois

A Flood Warning has been issued by the National Weather Service for the DuPage River in Will and Kendall counties, Illinois, until Monday, August 3, 2026, at 12:00 AM. The river is forecast to exceed its flood stage of 15.5 feet on Saturday night, cresting at just over 16 feet by Sunday morning, following 2-4 inches of heavy rain with additional rainfall possible.