A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

VIRGINIA BEACH, Va. — Looking ahead to next week, a major arctic blast is expected to settle into Hampton Roads and ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

Douglas McIntyre, Editor-in-Chief at Climate Crisis, discusses an unusual cold snap forecasted for Atlanta, where temperatures are expected to drop to nineteen degrees. He explains how climate change ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

Many cities across north America will feel the effects of the polar vortex, but who will see -50 wind chills for a prolonged ...

Many cities across North America will feel the effects of the polar vortex, but who will see -50 wind chills for a prolonged ...

The polar vortex brings some of the most frigid winter air to the U.S., and the recent storm offered a reminder of its power.

This blast of cold weather is due to activity of the polar vortex.

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...

Minot residents have been experiencing temperature whiplash with relatively warm temperatures dropping precipitously below ...

The week began with a biting cold snap that hammered much of the U.S., the product of a jet stream that slips out of its ...