A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and ...

NEW YORK (PIX11) – Snow could be heading to New York and New Jersey on Thursday. Flurries will possibly start around noon ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

A lobe of the Polar Vortex is going to swing through Ontario just north of Michigan. The upper-air forecast gives us an easy ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.