Flood Warning

Locations Affected

Aurora, IL ∙ Naperville, IL ∙ Bolingbrook, IL ∙ Montgomery, IL ∙ Summit, IL ∙ Warrenville, IL ∙ McCook, IL ∙ La Grange, IL ∙ Burbank, IL ∙ Keeneyville, IL

Full Alert Message

BULLETIN - IMMEDIATE BROADCAST REQUESTED Flood Warning National Weather Service Chicago IL 650 PM CDT Sat Jul 4 2026 ...FLOOD WARNING IN EFFECT UNTIL 2 PM CDT SUNDAY... ...REPLACES FLASH FLOOD WARNINGS PREVIOUSLY IN EFFECT... * WHAT...Significant flooding caused by excessive rainfall continues. * WHERE...A portion of the following counties, Cook, DuPage, Kane, Kendall and Will. * WHEN...Until 200 PM CDT Sunday. * IMPACTS...Creeks and streams will rise out of their banks. Extensive street flooding is occurring. Flooding of structures and basements is possible. High water may be slow to recede from flooded areas. * ADDITIONAL DETAILS... - At 649 PM CDT, local law enforcement, emergency dispatch departments, and highway departments reported widespread flooding across the area. Some significant flooding is ongoing with multiple roadways impassable and basements flooded. Up to 6 inches of rain have fallen due to earlier thunderstorms. Because heavy rainfall has ended, worsening of flood impacts is not expected over the next several hours. However, as water moves into rivers and streams, river levels will continue to rise. In addition, standing water in flooded areas will be slow to recede. - Some locations that will experience flooding include... Chicago, Aurora, Naperville, Schaumburg, Bolingbrook, Oak Lawn, Wheaton, Downers Grove, Bartlett, Streamwood, Carol Stream, Romeoville, Plainfield, Hanover Park, Glendale Heights, Woodridge, Oswego, Burbank, West Chicago and Batavia. - This includes the following streams and their tributaries... Mill Creek and Waubonse Creek near Aurora. West Branch DuPage River near Carol Stream, Warrenville, and Naperville. East Branch DuPage River near Morton Arboretum and Lisle. St Joseph Creek, Prentiss Creek, Sawmill, and Flag Creek in the Downers Grove, Darien, and Westmont areas. Lily Cache Creek in Bolinbrook and Romeoville. - 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 4184 8827 4188 8824 4197 8822 4199 8818 4199 8809 4193 8809 4185 8816 4180 8814 4179 8797 4182 8784 4178 8776 4169 8778 4168 8790 4161 8810 4162 8818 4166 8820 4169 8827 4166 8835 4170 8838 4185 8837

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