A four-day, once-in-a-generation weather event is pounding the middle of the U.S. with destructive tornadoes and life-threatening flooding.

Some parts of the country could see up to 20 inches of rainfall this weekend, causing catastrophic flooding, forecasters warned.

The rising water levels have prompted rescues and road closures. The storm, which has killed at least 16 people, doesn’t show ...

This current rain event is expected to bring 'generational flooding', which only happens once a generation. But memories of 2010 flood still plague some.

A multiple-day severe weather and "generational" flash flooding threat is pummeling the Ohio, Tennessee and Mississippi ...

Thousands of customers are waking up without power Thursday morning after tornado-warned storms and powerful winds tore through the Greater Cincinnati region.

The National Weather Service described the disaster as "a once-in-a-generation to once-in-a-lifetime" event, warning that the worst may still be ahead.

There were more than 100 reports of severe weather from Oklahoma into Pennsylvania as of Wednesday as severe weather tore ...

We will stay #WeatherAware again tonight, Friday afternoon, and Saturday afternoon as wave after wave of storms and downpours ...

A powerful storm system will bring several life-threatening weather hazards to Tennessee starting Wednesday night, including the threat of flash flooding and tornados, warns the National Weather ...

A line of strong storms—including reported tornadoes in Brownsburg and Carmel—passed through central Indiana on Wednesday ...