The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...

In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...

Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

Are you ready for the coming arctic storm? Here’s the latest Colorado weather forecast and everything else you need to know ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...