A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this ...

When parts of the vortex break down, lobes of Arctic air can drift south, guided by changes in the jet stream. This allows ...

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee this coming ...

This article originally published at Polar vortex sends another arctic blast barreling toward Texas. In today's edition: ...

(NEXSTAR) – After a largely mild end to 2023, cold jet stream air from the polar vortex appears set to descend on parts of the U.S. later this week, adding to a chaotic January that saw reports of ...

This coming weekend, the central and eastern United States will receive a blast of Arctic air, which will also affect ...

A long-awaited blast of cold air, courtesy of the polar vortex, will overtake much of the US, but the forecast says the low ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

During winter, as the Arctic falls into 24-hour darkness, extreme cold builds over the Pole. This helps to create a ...

A weakened polar vortex is expected to bring frigid Arctic air to the central and eastern United States. Louisville could see temperatures in the single digits with wind chills as low as -8 degrees. A ...