Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

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

Bitter temperatures are forecast to hit swathes of the U.S. this weekend as a polar vortex—the area of cold air that ...

A fierce Arctic blast of bitterly cold air is poised to overtake much of the central, eastern and southern U.S. over the next ...

And it won’t just feel cold: A series of clipper storms is also expected to bring snow to the region beginning on the evening ...

Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t ...

Grab your coats, it's getting chilly. A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days. The polar vortex will ...

Frigid temperatures are expected to impact much of the central and eastern United States in the coming weeks. The first of three polar vortex systems is expected this month, according to AccuWeather.

Memphis is gearing up for another round of cold temperatures the weekend of Dec. 13 and 14. The Eastern United States will experience a polar vortex, and it will impact most of Tennessee. A polar ...

A weakened polar vortex is expected to bring extremely cold Arctic air to the central and eastern U.S. Temperatures in parts of Minnesota are forecast to drop as low as –26°F over the weekend. The ...