Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t ...

A fierce Arctic blast of bitterly cold air is poised to overtake much of the central, eastern and southern U.S. over the next ...

The first cold wave will reach the East Coast on Thursday, followed by another surge of frigid air this weekend and more next ...

Arctic air originates near the polar regions and is among the coldest air masses on Earth. It typically stays locked in ...

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

The Arctic blast will drop temperatures to well below average in the central and eastern U.S. as far south as Florida, ...

The Arctic Oscillation is a metric used to describe the strength of the polar vortex, or mass of arctic air that rotates ...

So our January Thaw is about to end? It appears so. Since January 6th Syracuse has had a high temperature of at least 36 F or ...

The Great Lakes Ice Outlook shows ice formation slowed during the recent mild stretch, but conditions are expected to shift as Arctic air moves in.

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

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