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

Here's the latest on the winter storm. 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.

Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United States, capping a historic return to power that serves as resounding rebuke to the established political order.

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,

WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has shifted, spilling cold air across the U.S. with below freezing temperatures and subzero wind chills.

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.

Answers as to why these strange temperatures and weather events are prevalent may be found in the polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of ...

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.

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout the Milwaukee area closed as the area braced for the dangerous freezing temperatures.

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

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.