Fueled by a disturbed polar vortex, 18 states and D.C. have had more snow than average into December. In some areas, snowfall ...

Cold temperatures are set to continue into the weekend, but New England will feel another icy blast of Arctic air Sunday ...

The coldest air of the season is blanketing the Midwest, Northeast, and Southeast, with dangerous low temperatures. More than ...

The northern U.S. is bracing for bone-chilling cold as a weakened polar vortex pushes Arctic air south. How cold will ...

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air ...

The northern U.S. is bracing for bone-chilling cold as a weakened polar vortex pushes Arctic air south. How cold will temps ...

A fresh shot of Arctic air could bring the coldest air of the season for many this week, according to AccuWeather ...

A long-awaited blast of cold air, courtesy of the polar vortex, will overtake much of the US, but the forecast says the low ...

"Arctic air will bring near record cold temperatures and dangerous wind chills," the National Weather Service said.

The current polar vortex event is triggering some of the lowest temperatures of the season and is impacting Americans in ...

This coming weekend, the central and eastern United States will receive a blast of Arctic air, which will also affect ...

The coldest air of the early winter season is blasting the eastern U.S. on Monday, with single-digit temperatures with ...