According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

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

Officials canceled the parade because of the freezing temperatures expected to blast the Baltimore area in the days ahead.

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.

A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to ...

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

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

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

There’s a chance of snow this weekend before temperatures are expected to drop to the single digits next week due to a blast ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

A winter storm could develop along an incoming Arctic cold front, increasing Maryland's chances of seeing accumulating snow.