After a winter storm this weekend, the polar vortex will return, bringing subzero temperatures to around 80 million people from Montana to Maine and potentially as far south as northern Texas.

This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been normal.

"It's 1:00 a.m. or 1:00 p.m. and you have all of the stars in the sky... You feel like you're in the galaxy," Cecilia ...

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