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

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

It’s been warmer in Alaska than in three dozen other states. If someone asked you, “Where can I go in the United States to ...

The United States is currently experiencing an intense cold front linked to the so-called Arctic “polar vortex”. The icy air that has particularly affected the central and eastern United States is now ...

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 ... be held inside the United States Capitol Rotunda.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

allowing for the vortex to move more drastically, and potentially sending colder air into Asia, Europe, or the United States. As for if the polar vortex is to blame for last week's Gulf Coast ...

Jan 17 (Reuters) - A blast of Arctic air is set to cover much of the United States with temperatures ... will be due to a phenomenon called a polar vortex, an upper-level jet stream that typically ...

When a polar vortex arrives, it brings frigid winds from the north pole deep into the United States. The cold air can settled ...

ORLANDO, Fla. – Central Florida is experiencing some delightful weather thanks to a ridge of high pressure. This weather ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...