Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...

Computer models predict that the U.S. will get blasted with extreme cold in December. How will the Pensacola area be impacted ...

Arctic air is creating chilly conditions for millions of Americans out shopping on Black Friday, as another shot of even colder air from a disrupted polar vortex is expected to further plunge ...

Illinois is heading into a bitter post-Thanksgiving weekend, with a major winter storm bringing plunging temperatures and a fresh snowpack.