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

The National Weather Service had multiple states under winter weather advisories or winter storm warnings early on Friday.

The NWS has issued storm and extreme cold warnings this weekend as powerful Arctic winds plunge temperatures nationwide.

A polar vortex is expected to bring snow and ice to 26 states and D.C., threatening travel with blizzard conditions and record-low temperatures.

Nearly two-dozen states were under winter weather warnings from the National Weather Service as of early Monday.

Another massive winter storm is forecast to pummel the southern and eastern U.S., with impacts from Texas to the Carolinas.

Several states across the U.S. are under alert as the new storm system approaches. Texas, Oklahoma, Arkansas, Louisiana, and Missouri have severe weather alerts in effect through Friday, January 10. Meanwhile, Tennessee, northern Alabama, and parts of Indiana and Kentucky will remain under warnings through Saturday.

Authorities say another person has died in the Los Angeles wildfires, bringing the number of deaths to at least 25. Forecasters with the National Weather Servic

On Saturday at 2:57 p.m. a winter weather advisory was issued by the National Weather Service valid from Sunday 1 p.m. until Monday 4 a.m. for Bergen County.

This will be the coldest air of the Winter season thus far, and in many cases the coldest in several years,” the National Weather Service warned.

As new Arctic air enters the United States, NWS meteorologists warn about the “most intense” snow storm of the season.

Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with Donald Trump's inauguration expected to be the coldest in 40 years.