Tornado sirens woke people across parts of the Chicago suburbs early this morning, but there was no severe weather threat.

For the second time this week, tornado sirens rang out in DuPage County in an apparent error. On Friday morning, some ...

Did you hear tornado sirens go off overnight across the Chicago suburbs under perfectly calm skies? In the quiet of the night, many in DuPage County were woken up about 3 a.m. Tuesday to tornado ...

The video in this report is from a story Aug. 18, when the sirens were initially “accidentally” activated. Tornado sirens ...

Central Ohioans have questions after tornado sirens sounded Saturday night but did not go off on Tuesday when a tornado ...

A tornado siren was unintentionally activated for the second time this week in DuPage County.

DuPage County's new automated tornado sirens misfired for the second time in three days. Here's what officials know so far.

An employee “accidentally” activated tornado sirens overnight for all of DuPage County during a test, officials said, in an incident that led to to confusion across multiple suburbs as sirens blared ...

A safety concern in West Allis after a tornado siren stayed silent during a tornado warning. It happened in Greenfield Park, ...

Residents of DuPage County were awakened early Tuesday morning by tornado sirens that were accidentally set off during testing of the emergency system, officials said.

The Franklin County Board of Commissioners approved funding to replace or repair some of its tornado warning sirens.

Hancock County officials sounded emergency sirens Saturday after a funnel was spotted, but no active National Weather Service ...