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

The polar vortex has sent temperatures plummeting across the US, affecting over 95 million people. Schools are closed, pipes are bursting, and temporary shelters are being set up for the homeless from ...

"polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping the North ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

A severe cold wave, driven by a polar vortex, has struck the central and northern U.S., leading to dangerous temperatures and significant snowfall. At ...

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

More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...

This week, parts of the U.S. are experiencing the 10th and coldest polar vortex event this season. Weather forces in the Arctic are combining to push the chilly air into the U.S. and Europe.

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter.