Another polar vortex is expected to bring subzero temperatures that will affect more than 40 million Americans in the coming ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex.

Winter isn't just knocking anymore. It's kicked the door wide open and brought the polar vortex along for the ride. If you've been enjoying those mild autumn mornings, well, those are about to become ...

An arctic air mass has descended into the US, and a disrupted polar vortex will keep the nation in the freezer at times deeper into December. More than 200 million people will wake up to freezing ...

The polar vortex is expected to send three waves of Arctic air into the U.S. through mid-December. Despite the cold blasts, current forecasts do not predict significant snow for most of Mississippi.

A disrupted polar vortex is expected to bring cold weather to many parts of the U.S., and potentially snow to some regions. A rare atmospheric event known as sudden stratospheric warming is being ...

The coldest air of the early winter season is blasting the eastern U.S. on Monday with single-digit temperatures with the wind chill, as the Polar Vortex unravels and, with it, brings dangerous arctic ...

The polar vortex is taking up a position near Hudson Bay, Canada, and will direct rounds of Arctic air southward from the North Pole to parts of the central and eastern United States through the ...

Boston has seen just one day so far this month where the average temperature was above the seasonal norm, daring me to ask — are you over the cold yet? Astronomical winter hasn’t even arrived (that ...

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.

Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a wrecking ball," said Weather Trader ...

Just a few days into December, an arctic air mass has swept into the United States, bringing subzero morning lows and daytime highs stuck in the teens for 30 million Americans in the Northern Plains, ...