Warning Sirens Sound Across Chicago as Tornadoes Approach The National Weather Service said a tornado touched down near Chicago’s O’Hare International Airport on Wednesday, disrupting hundreds ...

Tornado sirens sounded at least twice across Chicago, warning people to take cover and ringing through the city’s buildings. Lynn Becker, a longtime Chicago resident, posted video to Twitter ...

CHICAGO (CBS) -- Severe and dangerous storms brought tornadoes and hail to Chicago ... hit the windows really hard like nearby, and the sirens going off in the background," continued Mancilla.