Flash Flood — Du Page, Illinois

2025-08-18 · near Woodridge, Du Page, Illinois

Event narrative

In Downers Grove, 6 to 8 inches of water were reported flowing over Belmont Rd near 59th St. Street flooding was also reported near 55th St via mPing.

Wider weather episode

During the afternoon and evening of the 18th, a few rounds of thunderstorms brought torrential rainfall to much of northern Illinois resulting in flash flooding. One particularly strong storm also produced damaging winds in DeKalb County. Initial reports estimate $8.8 million in flood damages around northern and northeast Illinois, and around $2.5 million in the city of Chicago alone.

View location on OpenStreetMap → (41.7802, -88.0375)

Source: NOAA Storm Events Database, event_id 1288624. Narrative written by the NWS forecast office that issued the report.