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.

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late Monday into Tuesday. The event comes as an Arctic blast affects more than half the U.

In the final hours of his presidency, President Joe Biden issued a series of last-minute pardons for Gen. Mark Milley, Dr. Anthony Fauci and the members and staff of the Jan. 6 Committee. Former RNC chair Ronna McDaniel says the pardons are a sign Biden “believes there is culpability.” #JoeBiden #Pardons #InaugurationDay

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

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: WARNING: This story contains details of intimate partner violence and may affect those who have experienced it or know someone who has.

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and sends temperatures tumbling to levels not seen in years.