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

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

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

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 ...

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 ...

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

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

A combination of frigid air with a low pressure system over the Gulf are behind the storm, which could bring heavy snow just ...