An Arctic air blast will bring frigid temperatures to the central and eastern United States this weekend, including Tennessee. Overnight temperatures in Tennessee are expected to drop into the 20s and ...

Over 235 million Americans will be at or below freezing in the next week, setting the stage for a long-lasting arctic chill. The coldest day will likely be Monday morning, where temperatures will be ...

Certainly, the waves of cold air blasting the greater Philadelphia region are caused by the polar vortex. Or is Philly's frigid temps caused by an arctic blast? While both weather conditions can cause ...

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 ...

A disruptive polar vortex is set to usher in three successive waves of Arctic air across the central and eastern United States through mid-December, bringing dangerously low temperatures and the ...

Winter is coming — or at least it will feel like it in the Lower Hudson Valley Friday, Dec. 5, thanks to a shifting polar vortex set to blast the northeast three times this month. Expected to deliver ...

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 ...

Just a few days into December, an arctic air mass has swept into the United States, bringing subzero morning lows and daytime highs stuck in the teens for 30 million Americans in the Northern Plains, ...

A newly launched market survey shows the U.S. Air Force is close to launching development of a new version of the Lockheed Martin C-130J for the arctic mission. A fleet of LC-130Hs modified with skis ...

A shifting polar vortex is expected to bring three waves of Arctic air to the central and eastern U.S. Tennessee is forecast to experience winter weather, including a mix of snow and ice, in early ...

Best Buy has a few new offers on Apple's M4 MacBook Air this week, including a match of the all-time low price on the notebook, plus a free $25 Best Buy gift card with purchase. You can get the ...

Polar vortex systems will bring dangerously cold weather to much of the United States this month, raising the risk of frostbite, hypothermia, falls, and heart or breathing problems. People with asthma ...