Erin Davis/Axios Visuals A week-long, unusually cold Arctic outbreak is set to bring frigid conditions to most locations east of the Rockies beginning Sunday. For some locations, this could be the ...

The latest arctic blast will move into the northern Rockies and northern Plains Saturday and spread to the central and ...

The tenth and coldest polar vortex of the season is blasting across the US this week. More than 58million Americans are under ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

Extreme cold warnings have been issued in multiple states, stretching from the Canadian border to central Texas.

Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and Washington.

Red zones are predicted in New York, Kansas and Virginia as a winter storm continues to grow in the United States.

The latest blast of frigid air will linger across the central and eastern U.S. through much of the week while another winter storm will dump heavy snow from the Rockies to souther Appalachians.

a meteorologist at NOAA's Climate Prediction Center who specializes in the polar vortex. "What we're observing right now is interesting, but not unprecedented," said Martin Stendel, a scientist at ...

Williamsburg, James City County and Upper York County “could get snow in the 6-8-inch range before the storm ends Thursday morning,” said Larry Brown, a meteorologist at the weather service center in ...

A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...