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

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.

Here's a detailed forecast and timeline of when NYC will see snow on Sunday, how many inches to expect and what's forecast to happen when a polar vortex sweeps the area 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.

A huge swath of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is keeping an area stretching from

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

"Whatever amount of snow we get, one thing's for certain: it's going to be incredibly cold," Mayor Eric Adams said Sunday.

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to travel south.

New York City prepares for severe winter conditions with heavy snowfall and a deep freeze expected this weekend. Temperatures could feel as cold as 15 degrees below zero with wind chills potentially reaching-15 degrees.

(AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped ... The warnings extended to New Jersey into early Tuesday. At the storied Calumet ...

A major winter blast is stirring up dangerous conditions across the U.S. central and southern states all the way to the East Coast

Are you ready for the coming arctic storm? Here’s the latest Colorado weather forecast and everything else you need to know ahead of extreme cold.