MINNEAPOLIS, Minnesota — Our entire region is under an Extreme Cold Weather Warning until 12 p.m. Tuesday; wind chills could fall as low as -45 degrees. This Arctic blast is thanks to a polar vortex.

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

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

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

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

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

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

Michigan lawmakers had handed out hundreds of tickets to constituents, but those are now commemorative after inauguration ...

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

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 ...