A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

This morning we were still on the cold side of the front, but it was turning into a warm front and approaching from the southwest. Regional Weather Map There was a cold rain over the area.

Maps show what to expect as the cold front arrives. The polar vortex is a large area of cold air and low pressure that normally spins over the North and South Poles. During the winter months and ...

Joe Edwards is a Live News Reporter based in Newsweek's London Bureau. He covers U.S. and global news and has a particular interest in U.S. and U.K. politics and social policies. Joe joined ...