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

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

Multiple states registered subzero temps on Friday, Dec. 5. The polar vortex has broken, and severe temperatures are dominating even in southern sates like Texas, which saw record breaking lows in the ...

(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 ...

Cold, Arctic air is severe. Fortunately, year-round, that air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall around the pole that prevents frigid air ...

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 ...

Meteorologists don't have the specific forecast ready yet, but there is a growing consensus that December will be a frigid one for parts of the United States. The National Weather Service's Climate ...

A polar vortex is bringing another round of frigid, Arctic air to the Eastern United States. Temperatures across Tennessee are expected to drop into the low 20s and upper teens over the weekend. There ...

Indianapolis has already set two daily snowfall records this late-fall season (Nov. 10 and Nov. 29). Northern Indiana has also picked up over a foot of snow in spots. This is a fast start to winter ...

Arctic air is expected to bring “near record cold” along with “dangerous wind chills” as it tracks south from the Northern High Plains on Friday, spreading into the Central Plains and Ohio Valley on ...