Tens of millions of residents along the East Coast are bracing for several inches of snow Sunday followed by dangerously cold temperatures that will grip much of the country from the Northern Plains to the tip of Maine.

An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance of more snow than the city has seen in three years.

FOX Weather Meteorologist Jane Minar outlines the life-threatening cold that will dive into the South ahead of a winter storm that could unfold in the region starting early next week.

After days of balmy weather, New York City is slated to get buried in snow and then hit with an arctic blast expected to unleash a potentially life-threatening chill. With a frigid polar vortex set to grip huge swaths of the U.