The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...

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

Harsh cold descended on the nation's midsection Monday as a polar vortex gripped the Rockies and Northern Plains after winter storms pummeled the eastern U.S. over the weekend, killing at least 17 ...

A powerful polar vortex has plunged temperatures across the Rockies and Northern Plains, with wind chills hitting minus 51°C ...

A cold weather advisory is in effect until noon Tuesday, with wind chills ranging between minus 15 and minus 25 before ...

The latest blast of frigid air will linger across the central and eastern U.S. through much of the week while another winter ...

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

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 ...

The FOX Forecast Center is tracking a lobe of the polar vortex that is bringing extreme cold to the hundreds of millions across the lower 48 and record extreme cold.

The National Weather Service St. Louis office forecast says Belleville had a wind chill of 7 degrees below zero Tuesday ...

After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days. Be ready for deep cold.

A winter storm is expected to bring disruptions to the region due to snow and ice forecast to fall Wednesday into Thursday ...