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

Still, several Colorado school districts will start late on Tuesday as the state waits out the last of subzero temperatures.

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 ...

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.

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

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures ...

An intense blast of arctic air blanketed the Mid-Atlantic and the Northeast with frigid temperatures, and a rare winter storm ...

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