Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

The displaced polar vortex will bring prolonged periods of cold to the eastern portion of the Lower 48 through the end of ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

The atmosphere is a complicated place. Warm temperatures in one spot can contribute to brutally cold storms somewhere else.

Watch as a massive bowl of Arctic air is set to bring extreme, potentially record-breaking cold temperatures to parts of the ...

The incoming Arctic blast will bring very cold temperatures to West Michigan, but it still falls short of the historic, ...

The wall that keeps cold air contained in the Arctic is called the polar vortex. There's been a "displacement" in the polar vortex, which allows Arctic air to escape to the south. An "arctic frontal ...

Frigid temperatures are expected to impact much of the central and eastern United States in the coming weeks. The first of three polar vortex systems is expected this month, according to AccuWeather.

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...

What is the polar vortex? It’s a wintertime mainstay capable of flooding Canada with some of the world’s coldest air ...