A line of rain showers that dumped a large amount of rain has led the National Weather Service to declare a flash flood warning and a flood advisory in the Chicago area until 11 p.m.
Flash Flood Warning including Chicago IL, Naperville IL and Cicero IL until 10:00 PM CST pic.twitter.com/rfKdVJdiL8
— NWS Chicago (@NWSChicago) January 9, 2026
The advisory, in effect for portions of Cook, DuPage, and northern Will counties, was declared after rain rates up to 0.5 inches per hour led to ponding on roads. The weather service also declared a flash flood warning for Chicago, Naperville and Cicero through 10 p.m.
Heads Up!
A Flood Advisory has been issued for portions of DuPage, Cook, and northern Will Counties until 11 PM CST this evening.
Rain rates up to 0.5 inches per hour has lead to ponding on roads. Use caution if traveling in the advisory area. #ILwx pic.twitter.com/JO6nN8HkgC
— NWS Chicago (@NWSChicago) January 9, 2026
Motorists are being asked to exercise caution as some roads may experience flooding.
