Illinois Minor Flood Advisory | Effective 07/02/2026 18:58

Headline: 
Flood Advisory issued July 2 at 8:58PM CDT until July 3 at 12:00AM CDT by NWS Chicago IL
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
July 2, 2026 - 6:58pm
Expires: 
July 2, 2026 - 10:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following counties, Cook, DuPage and Lake IL. * WHEN...Until midnight CDT tonight. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. * ADDITIONAL DETAILS... - At 858 PM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Up to 1.5 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Elgin, Arlington Heights, Schaumburg, Palatine, Des Plaines, Mount Prospect, Hoffman Estates, Glenview, Buffalo Grove, Bartlett, Streamwood, Hanover Park, Wheeling, Northbrook, Elk Grove Village, Highland Park, West Chicago, Lake Forest, Rolling Meadows and Roselle. - http://www.weather.gov/safety/flood
Instruction: 
A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Cook, IL; DuPage, IL; Lake, IL
Forcast Office: 
NWS Chicago IL