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

Editor's Note for Sat. Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update. A polar ...

A polar vortex will plunge Waterloo region, Guelph and Wellington County into a deep freeze until Wednesday, Environment ...

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

Marylanders are bracing for the upcoming polar vortex, expected to bring temperatures into the single digits early this week.

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

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

AVERAGE LOW FOR JANUARY 19th: 15° SUNDAY’S SUNRISE: 7:32 AM SUNDAY’S SUNSET: 5:06 PM Elmira, N.Y. (WETM) – The polar vortex ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

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

President-elect Donald Trump's second inauguration will mark the coldest presidential ceremony in more than 40 years.