The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

The polar vortex is a broad, fast ribbon of cold air that encapsulates the Arctic high in the stratosphere. Stable, it confines cold air near the North Pole. Unstable, it is rocked and stretched out ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. When is ...

Research shows a strong connection between October snow in Eurasia and the behavior of the swirling wind that contains Arctic ...

More than 100 people in Sioux City, Iowa, braved the cold to participate in the annual Polar Plunge fundraiser for local ...

Bitter cold temperatures are expected to continue throughout the week in Chicago, with wind chills plunging to minus 20, the National Weather Service said. A cold weather advisory is in effect until ...

Should this La Niña remain weak through 2025, the climate pattern’s influence on Oklahoma's winter weather. Here's what to ...

North Carolina's first freeze typically occurs between late October and mid-November, depending on the specific location. The ...

Dozens of polar bears have been spotted roaming through the abandoned buildings of a weather station on Kolyuchin Island in ...