A lobe of the polar vortex, a ring of freezing air typically found near the North Pole, will once again move into the central ...

BISMARCK, N.D. (AP) — Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern ...

Parts of the D.C. region could (emphasis on could) see a glancing blow of snow Wednesday afternoon into Thursday, but the storm is expected to deliver little to no snow accumulation to D.C. The key, ...

Ushering in the polar vortex is a winter storm, which was tracking from the Midwest toward the East Coast on Saturday. In ...

A "polar vortex" is bringing intense cold and heavy snow to large swaths of the US and Canada. How is this winter weather ...

According to the Severe Weather Europe website—an online resource of global weather forecasts—a mass of cold air, spurred by the polar vortex, has been forecast to move over Canada and the northern ...

two bands of fast-moving air – the polar jet stream and the stratospheric polar vortex – sometimes tango together to influence weather in the northern hemisphere. As the Arctic continues ...

More than 2,000 flights at major airports around New York and Washington, DC, were delayed on Sunday.

Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern Plains after winter ...

At least 14 people died in Kentucky over the weekend after the state faced flooding and then a snowstorm. CBS News national ...