Illinois Severe Flood Warning | Effective 07/03/2026 05:59

Headline: 
Flood Warning issued July 3 at 7:59AM CDT until July 3 at 2:00PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
July 3, 2026 - 5:59am
Expires: 
July 3, 2026 - 12:00pm
Description: 
* WHAT...Flooding caused by overnight rainfall is occurring. * WHERE...Portions of southern DuPage and far western Cook counties in northeastern Illinois. * WHEN...Until 200 PM CDT Friday. * 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. In addition, River levels are near flood stage along Salt Creek in Western Springs. * ADDITIONAL DETAILS... - At 756 AM CDT, gauge reports indicated elevated river levels due to overnight rainfall. Between 2 and 4 inches of rain fell overnight. - 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