The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

After a brief stretch of milder weather, colder air is set to return to the Poconos as the polar vortex becomes active over the next 10 to 14 days, according to AccuWeather. Ben Gelber, a ...

Georgia residents could be in for a sharp change in weather this weekend as a major polar vortex disruption pushes the coldest air of the season into the state. Forecasters say the setup raises ...

Another round of frigid weather is making its way to the Eastern United States and will affect most of Tennessee. If you couldn’t get enough of the cold temperatures in early December, there’s more on ...

Polar vortexes are a year-round phenomenon. But Chicago-area residents only notice them when they collapse, experts say. That’s what’s happening starting Thursday when dangerously frigid air from ...

Bundle up! Coldest air in a decade as a weakening polar vortex brings plummeting temperatures to Ontario. The polar vortex, containing some of the globe's coldest air, is descending into Ontario.