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 fresh surge of Arctic air from the Polar Vortex is poised to plunge into the central and northeastern United States this ...

A polar vortex is a large, low-pressure system of cold air that typically resides near the Earth’s poles, surrounded by ...

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

The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a ...

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

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee this coming ...

A polar vcortex and an arctic blast can each bring frigid air to the greater Philadelphia region, but there are differences between the two to know.

The Pacific Northwest is expected to see up to seven inches of rain this week, as the eastern United States braces for arctic ...