A tornado touched down near Chicago’s O’Hare International Airport, prompting passengers to take shelter and disrupting hundreds of flights. There were no immediate reports of injuries. A confirmed ...

The head of the City Emergency Management Agency in St. Louis has now been placed on paid leave, as an investigation has been launched into why the city's tornado warning system was not activated ...

CHICAGO — Officials say a radar-confirmed tornado swept through suburban Chicago, damaging homes, toppling trees, knocking out power and causing some injuries. A report to the National Weather Service ...

UPDATE: A ground stop was issued for flights arriving at O'Hare Airport due to thunderstorms, the FAA said. The ground stop was expected to last until at least 8:15 a.m. Hours after severe storms ...