A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven’t seen ...

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 winter storm warning is in effect for southeast Louisiana, bringing upward of 8 inches of snow. New Orleans saw its first ...

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

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout the Milwaukee area closed as the area braced for the dangerous freezing ...

WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...

Here's the latest on the winter storm.A historic winter storm is poised to produce potentially record-breaking snows from ...

A mass of cold air that meandered south from the Arctic has sent temperatures plunging with wind chills making it feel like ...

Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

Such cold air blasts have become known as the polar vortex. It's a long-established ... Northwest to the Southeast and is stuck on that wavy track. To the west of that plunge, in California ...

We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill ...