First installed in the 1950s, they were developed for Cold War air raid warnings, but in the 1970s, the sirens transitioned ...

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 ...

Ionia County's tornado sirens were accidentally activated during clean-up efforts after a pipe burst at the dispatch center.

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 warnings popped off one by one through the evening and night in the Chicago area as the storm ... windows really hard like nearby, and the sirens going off in the background," continued ...

In February, a tornado outbreak swept through the Chicago, damaging buildings and bringing down power lines and trees. February also marked the start of a major story that's still unfolding now in ...