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

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

Millions of Americans are bracing for life-threatening cold as an arctic blast driven by the polar vortex plunges ...

A potent surge of Arctic air starts settling in Monday evening as a massive dip in the jet stream pulls in frigid air across ...

With severely cold temperatures forecasted in York County this week, utility companies are advising customers to take safety ...

An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance ...

Several businesses and organizations have announced closings and cancellations ahead of the extremely cold temperatures.

Some schools and organizations in Minnesota are announcing additional closings for Tuesday, following a wave of closings ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as tens of millions of residents along the East Coast contend ...

Make sure to pack on some extra thick layers this week, because a bitterly cold Arctic outbreak is set to bring some of the coldest winter ...

The arctic blast is expected to affect millions of people across the United States with brisk winds, and dangerously cold ...

Colorado woke up Sunday to extremely cold temperatures and dangerous wind chills. We started at -11 at Denver International ...