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

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

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

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

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

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

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 ...

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 ...

Temperatures as low as 14 degrees below zero will hit Denver on Monday night. With the wind chill, it could feel as cold as ...