Tornado Warning For Kane, Kendall Counties

ILLINOIS — A tornado warning was issued just before midnight for southwestern Kane, northwestern Kendall and southeastern DeKalb counties, effective until 12:15 a.m. Friday, the National Weather Service said. A severe storm warning is in effect until 12:30 a.m. for Kane, Kendall, DeKalb and LaSalle counties, and severe weather was possible through the night.

A severe thunderstorm watch has also been issued through 1 a.m. Friday for Will, Grundy, Kankakee and Kendall counties.

The strong storms could bring 60-70 mph wind gusts, flash flooding, ping pong ball-sized hail and frequent lightning, according to the weather service.

Flash flood watches have been issued in Cook, DeKalb, DuPage, Will, Grundy, Kane, Kankakee and Kendall counties through Friday morning. The thunderstorms expected Thursday night could result in localized rainfall amounts of three inches or more, the weather service said.

With the heavy rain Thursday morning and the expected rain tonight, the weather service issued a flood warning for the east branch DuPage River in Bolingbrook. Minor flooding is forecast, the weather service said.