Polar vortex set to freeze U.S. as far as Deep South

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...
The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...
Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.
Winter isn’t over yet! A polar vortex is bringing subzero winds, frigid temperatures, and possibly snow to the U.S., ...
A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...
Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the ...
With temperatures expected to be among the coldest Inauguration Day in decades, officials have decided to move the ...