A forecast map reveals which states can expect to see “persistent cold” in the weeks ahead, after experts said the polar ...

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

The displacement of the polar vortex over the eastern half of the U.S. will usher in days of Arctic cold through the end of ...

A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

In the coming weeks, cold air will continue for parts of the U.S. thanks to the influence of the polar vortex.

Here’s the wind chill chart. Notice the four shadings, indicating how long it will take for frostbite. When we get to wind ...

And it won’t just feel cold: A series of clipper storms is also expected to bring snow to the region beginning on the evening ...

Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy ...

A major polar vortex is about to hit the US and could bring weeks of frigid temperatures for millions, with even a chance of ...

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

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