The weather service posted a map on social media highlighting ... Lynn Becker, a longtime Chicago resident, posted video to Twitter with tornado sirens blaring across the city’s iconic skyline.

In places like Naperville, where an EF3 tornado touched down in 2021, the 26 outdoor warning sirens are activated automatically when the National Weather Service issues a warning. In Chicago ...

The weather service posted a map on social media highlighting several ... Lynn Becker, a longtime Chicago resident, posted video to Twitter with tornado sirens blaring across the city’s iconic skyline ...