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

The National Weather Service has advised the public to check the forecast for their area on weather.gov to ensure they are dressed appropriately. The agency said that while there is no cause to be ...

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

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation ... blasted with heavy snow on Sunday. The National ...

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

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

A polar vortex is bringing cold temperatures to the U.S., impacting Utah as well. Utah will experience its coldest temperatures this winter, though less severe than areas east of the state. Emergency ...

Here is what is and isn't a polar vortex when Colorado receives cold like what is forecast for the holiday weekend.

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air ...