Illinois Severe Flood Warning | Effective 07/03/2026 13:57

Headline: 
Flood Warning issued July 3 at 3:57PM CDT until July 3 at 6:00PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
July 3, 2026 - 1:57pm
Expires: 
July 3, 2026 - 4:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Cook and DuPage. * WHEN...Until 600 PM CDT. * IMPACTS...Based on river gauge reports, flooding is occurring along the DuPage River near the Morton Arboretum. Water may start to encroach Illinois Route 53 and other roadways near the river in the area. * ADDITIONAL DETAILS... - At 355 PM CDT, Flooding is ongoing in the warned area, particularly along the East Branch of the DuPage River near the Morton Arboretum. - Some locations that will experience flooding include... Aurora, Naperville, Wheaton, Downers Grove, Lombard, Woodridge, Glen Ellyn, Hinsdale, Westchester, Burr Ridge, Oak Brook, Westmont, Lisle, La Grange Park, Warrenville, Western Springs, Willowbrook, Clarendon Hills, Hillside and Oakbrook Terrace. - http://www.weather.gov/safety/flood
Instruction: 
A Flood Warning means flooding is imminent or may already be occurring. Persons along rivers, creeks, and other waterways should take immediate precautions to protect life and property.
Area Description: 
Cook, IL; DuPage, IL
Forcast Office: 
NWS Chicago IL