Tornado sirens are set to go off in Chicago Tuesday, but it won't be at the time of the usual monthly test, so why will they sound? The monthly test for May was moved back a week due to severe weather ...

CHICAGO (CBS)-- A malfunction was to blame for the sound of emergency warning sirens on Thursday in several northwest suburbs. The National Weather Service reported that the sirens activated in the ...

Residents in several northwestern suburbs are being assured that no severe weather threat currently exists after tornado sirens "inadvertently" sounded Thursday afternoon. Police departments in ...

Warning sirens could be heard ringing out in downtown Chicago as multiple tornadoes touched down close to the city on Wednesday 12 July. The eerie sound could be heard in footage posted by Twitter ...

CHICAGO (AP) — The National Weather Service says a tornado has touched down near Chicago's O'Hare International Airport following warnings of severe weather for the city. A confirmed tornado was on ...

Many people sought shelter late Sunday night after sirens and phone alerts warned them of incoming tornadoes in the Chicago area, and officials attributed the low number of casualties to the emergency ...