The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is forecast to provide frigid weather as it continues to bring sub-zero temperatures to the Midwest, Mid-Atlantic and plunge deep into the South.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern Maine. Northern Georgia would see temperatures around 16, and in Colorado, the map showed that some areas would see -9.

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar vortex? A polar vortex settled its way over New York City and New Jersey following Sunday’s snow storm,

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously frigid conditions.

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.

Marylanders are bracing for the upcoming polar vortex, expected to bring temperatures into the single digits early this week. And state workers are out and getting ready for the freezing temperatures.

Parts of the Gulf Coast measured a foot of snow on Tuesday. For many cities the totals obliterate long-standing snowfall records. Milton, Florida recorded 9 inches of snow which more than doubles

People in Texas and much of the U.S. South are facing record snowfalls and icy conditions, with both New Orleans and Houston covered in snow. The big picture: This once-in-a-generation event for millions across the Gulf Coast has closed schools,

Wednesday will be another day of frigid temperatures, with a low of 2 degrees, as cold air from the polar vortex has moved south by the jet stream. There is also a chance for snow flurries later in the week.

A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven't seen before.

The first-ever blizzard warnings were issued near the Texas-Louisiana border Tuesday as Winter Storm Enzo blew through, bringing an estimated five inches of snow to areas in Alabama, Mississippi, Louisiana and Texas.