A piece of the polar vortex is spilling into the Midwest, creating extreme cold for the Chicago area and northwest Indiana ...

Patrick Mahomes leads Chiefs to AFC title game after daughter's birth as Caitlin Clark, Taylor Swift cheer ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the ...

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

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

A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to ...

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and ...