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Flood Warning

Status

New Event Active alert

Start Time

Sat 07/04/2026 07:48 PM EDT

End Time

Sun 07/05/2026 12:00 PM EDT

Significance

Warning

Impacts

High impact

Locations Affected

Chicago, IL ∙ Elgin, IL ∙ Cicero, IL ∙ Schaumburg, IL ∙ Wheaton, IL ∙ Hoffman Estates, IL ∙ Oak Park, IL ∙ Berwyn, IL ∙ Bellwood, IL ∙ North Aurora, IL

Full Alert Message

BULLETIN - IMMEDIATE BROADCAST REQUESTED Flood Warning National Weather Service Chicago IL 648 PM CDT Sat Jul 4 2026 ...FLOOD WARNING IN EFFECT UNTIL 11 AM CDT SUNDAY... ...REPLACES FLASH FLOOD WARNINGS PREVIOUSLY IN EFFECT... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, De Kalb. In northeast Illinois, Cook, DuPage and Kane. * WHEN...Until 1100 AM CDT Sunday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. High water likely may recede slowly from flooded areas. * ADDITIONAL DETAILS... - At 644 PM CDT, local law enforcement, emergency dispatch centers, and highway departments reported flooding across the area. Between 1 and 2 inches of rain have fallen from earlier thunderstorms. While heavy rainfall has ended, some flooding will be slow to recede. Some streams may continue to rise over the next few hours. - Some locations that will experience flooding include... Chicago, Aurora, Naperville, Elgin, Cicero, Arlington Heights, Schaumburg, Palatine, Des Plaines, Berwyn, Mount Prospect, Wheaton, Hoffman Estates, Oak Park, Downers Grove, Elmhurst, Lombard, Bartlett, Ohare Airport and Streamwood. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4188 8860 4189 8855 4190 8841 4206 8842 4214 8841 4214 8821 4208 8797 4180 8758 4178 8777 4181 8818 4194 8809 4198 8813 4197 8822 4184 8826 4178 8839 4181 8860 4184 8880

Technical Header

ILC031-037-043-089-051600- /O.NEW.KLOT.FA.W.0011.260704T2348Z-260705T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cook IL-De Kalb IL-DuPage IL-Kane IL- 648 PM CDT Sat Jul 4 2026