A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans. See maps of the arctic blast.

Monday morning brought the coldest temperatures Central Park has had so far this year. And temperatures haven’t bottomed out yet – not even close. An extra punch of arctic air pushes into the tri-state Monday night,

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

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

Dangerous temperatures are sweeping the country, with 100 million people from the Plains to the Northeast feeling the chill. Even those in the South will see some effects. Several cities have already declared weather emergencies,

Over 120 million Americans will face extreme cold, with temperatures potentially reaching minus 40 degrees Celsius. Meteorologists warn that it will be colder than in Greenland. Due to the frigid weather,