A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

A chilling Arctic blast is set to sweep across the US today, with forecasters warning of 'record-breaking' cold weather to follow ... If you can't see the map above, click here.

A widespread swath of the country, from the northern Rockies to the East Coast, is bracing for a blast of Arctic air that ... across much of the eastern United States will be a marked contrast ...

Tens of millions of Americans have been put under weather warnings as deadly winds head for the West Coast and an Arctic blast freezes the ... the eastern half of the US has also been told to ...

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.

A blast of Arctic air is expected to arrive in Mississippi soon as the Arctic jet stream pushes farther South than usual and allows air from as far as Siberia to move into the U.S., according to the ...

NEW ORLEANS — The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar ...

A widespread swath of the country, from the northern Rockies to the East Coast, is bracing for a blast of Arctic air that ... meander southward into the United States. While the forecast ...