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

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

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

Recent forecasts suggest some Americans might be getting a much-needed break from the freezing temperatures that have gripped ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

The United States continued to freeze through a polar vortex that brought rare cold to the southern United States and chances ...

more than 40 million people were under winter storm warnings while in areas of northeastern Kansas to north-central Missouri snowfall of up to 15 inches was observed. But the latest polar vortex ...

The plunging polar vortex is bringing subfreezing temperatures to some of the southernmost points of the U.S. A forming storm ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes ventures south into the U.S., Europe ...

Kansas City International Airport (KCI ... which is coinciding with a polar vortex that could make this January the coldest since 2011. The combination of heavy snow, ice accumulation, and ...