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, ...

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

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

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 Airport closes amid a severe winter storm and polar vortex, causing major travel disruptions across the Midwest.

But often during winter, the polar vortex will expand ... This weekend four NFL playoff games continue as scheduled in Kansas City, Detroit, Philadelphia and Buffalo, N.Y. ️ Another Chiefs ...

The polar vortex of ultra-cold air usually spins around ... Kentucky, Missouri and Kansas canceling or delaying the start of classes Monday. Among them was Kentucky’s Jefferson County Public ...