Polar vortex to bring frigid temperatures, snow and ice to millions of Americans About 60 million people are forecast to experience subzero temperatures. The polar vortex may also fuel yet another ...

A lobe of the polar vortex, ... A disturbance may form along the Mid-Atlantic coast on Sunday and could cause a snowy end to the weekend for areas from Washington, D.C., to Boston.

Rather, a polar vortex is a "well-known feature of Earth's atmosphere that describes the high-altitude winds that blow around the pole every winter, miles above us in a region called the ...

WASHINGTON (AP) — The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has ...

On Monday, the polar vortex will reach the Deep South, with temperatures down to the freezing point of 32 degrees Fahrenheit in Atlanta. Wind chills will be in the 20s.

The inauguration for President-elect Donald Trump will take place Monday in Washington, D.C., where the forecast shows a high of 24 degrees for Capitol Hill and a low of 8 degrees.

The term "polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

But often during winter, the polar vortex will expand, ... On Monday, the coldest air of the season flies into Washington, D.C., for President Donald Trump's second swearing-in.

WASHINGTON — We are in the middle of a blast of extreme cold weather in D.C. The polar vortex has shifted, spilling cold air across the U.S. with below freezing temperatures and subzero wind chills.