The polar vortex will engulf much of North America as we head into next week, with temperatures dipping down into the -20s and -30s in some Canadian provinces. Even states like the Carolinas, Georgia, ...

Three separate rounds of Arctic air have already swept across the central and eastern United States through mid-December, ...

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

Brutally cold temperatures, icy winds, and heavy snow accompany what we commonly call a polar vortex in the winter, but the polar vortex is a dynamic system of interacting forces that exists ...

Three polar vortex systems are anticipated in December, and the first is expected this week, according to AccuWeather. The ...

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Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to ...

If you thought last week was cold, hold onto your hot lattes and be ready to bundle up as (another) winter storm is forecast to plunge arctic air deep into the Deep South by early next week. The most ...

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4Warn Weather – Even if you love winter, the phrase “polar vortex” might send a shiver down your cold-loving spine. We aren’t talking about your average cold snap that causes a few ...

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 ...