Flood — Winnebago, Illinois

2025-07-25 · near New Milford, Winnebago, Illinois

Event narrative

Running water was reported over Edson Road north of Monroe Center.

Wider weather episode

Isolated thunderstorms produced funnel clouds across central Illinois during the late morning of July 25th. A narrow line of thunderstorms developed over southeast DuPage and central Cook Counties during the late morning of July 25th and continued into the early afternoon producing torrential rainfall and widespread flash flooding. Scattered thunderstorms moved across portions of northern Illinois during the late evening of July 25th into the early morning of July 26th producing heavy rain and localized flash flooding.

View location on OpenStreetMap → (42.1523, -89.0346)

Source: NOAA Storm Events Database, event_id 1280012. Narrative written by the NWS forecast office that issued the report.