It looks like it could get even colder heading into next week. Within the last decade, the phrase 'polar vortex' has become popularized in the weather world. In fact, you may have heard it getting ...

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...

Most of the U.s. enjoyed warmer air to end the workweek, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.