President-elect Donald Trump's second inauguration will mark the coldest presidential ceremony in more than 40 years.

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

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

With temperatures expected to be among the coldest Inauguration Day in decades, officials have decided to move the ...

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

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

Over 120 million Americans will face extreme cold, with temperatures potentially reaching minus 40 degrees Celsius.

The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...

Cities across the U.S. are bracing for cold temperatures as a polar vortex arrives, bringing temperatures down to much below ...