Much of U.S. on high alert as 'dangerous' system tracks east, spinning up tornadoes, flood risk ...

A once-in-a generation extreme weather event is beginning Wednesday with a tornado outbreak and will continue into the weekend with dangerous, life-threatening flooding.

A massive storm hitting the central U.S. on Wednesday could spin up damaging tornadoes and dump heavy rain from northern ...

Some U.S. states along the Canadian border may have an opportunity to view the northern lights on Wednesday, though auroral ...