The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles ...

At least nine people have died in the most recent round of harsh weather to pummel the U.S., including eight people in Kentucky. President Donald Trump approved a disaster declaration for the state on ...

Elsewhere, a polar vortex sent temperatures plunging from Montana to southern ... Weekend storms that pummeled the eastern ...

More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, closing schools, bursting pipes and forcing communities to set up more ...

More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...

More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, closing schools, bursting pipes and forcing communities to set up more ...

More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...

The mother and child were swept away Saturday night in Kentucky's Bonnieville community, Hart County Coroner Tony Roberts said. In southeastern Kentucky, a 73-year-old man was found dead in ...

Extreme cold warnings were issued for an 11-state swath of the U.S. stretching from the Canadian border to Oklahoma and ...

Severe flooding, snowstorms, and an Arctic polar vortex battered the U.S., claiming lives in Kentucky, shutting down hospitals ... California deals with mudslides after heavy rainfall. LOUISVILLE: ...

New York could see the “snowiest” storm of the season this week as biting-cold temperatures sweep across the nation, ushering in a frigid polar ... rains in Louisville, Kentucky, prompted ...