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

Winter isn’t over yet! A polar vortex is bringing subzero winds, frigid temperatures, and possibly snow to the U.S., including snowbird states like Florida. National weather agencies and meteorologists are warning folks of a "shivering weather pattern" that’s forecasted to go into effect tomorrow and linger through next week.

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

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the record-breaking blast of cold, snow and wintry conditions that reached all the way to the Gulf Coast this week.

Once the snow starts to come in, the temperature will essentially drop like a rock,” Fox Forecast Center Meteorologist Marissa Lautenbacher told The Post.

New York’s being hit by an arctic polar vortex, making temperatures drop hard overnight after a snow storm hit on Sunday.

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will feel like 15 degrees below zero.

A polar vortex is slated to sweep most of ... chills to parts of Midwest to the East Coast, according to the National Weather Service. After descending over the Rockies and Great Plains ...

the polar vortex is still going to bring lower-than-normal temperatures to the Sunshine State. According to the National Weather Service in Tampa Bay, cooler than normal temperatures could be seen ...

National Weather Service predictions have temperatures going down to 25 ... creep back up into the 30s and low 40s for some areas by the end of next week. The polar vortex is a gigantic, circular area of cold air high up in the atmosphere that usually ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into next week, impacting millions of Americans in nearly all of the contiguous states.

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.