The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

Intense cold is settling in over the northeastern United States after winter storms brought snow and ice. Will the bitter ...

The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...

You've probably come across the words polar vortex a few times already during this winter season. Maybe you're familiar with what it truly means, or maybe not. We're here today talking about exactly w ...

A gargantuan winter storm, aided by a deep surge of Arctic air, is forecast to affect over half of the population in the United States, delivering widespread hazardous weather, such as heavy snow and ...

It exists all the time, but it usually gets stronger in winter. When the jet stream (a river of wind) bends and dips south, the edge of the polar vortex can wobble or stretch. That can let Arctic air ...

The polar vortex will push Artic air south, and a severe winter storm could follow. How cold will it get in Louisiana?

The greater Philadelphia region will experience no weekend letup in the prolonged cold snap gripping the area.

A shift in the polar vortex has forecasters watching closely as the coldest air of the season approaches. Here's what to know in Georgia this weekend.