Brutal cold for half the US and paralyzing lake-effect snow are on tap as Thanksgiving travelers start heading home

Just as millions of travelers prepare to head home after Thanksgiving, bitter Arctic air will soon blast half the US while parts of the Great Lakes area will be buried under feet of snow.

​ Just as millions of travelers prepare to head home after Thanksgiving, bitter Arctic air will soon blast half the US while parts of the Great Lakes area will be buried under feet of snow. Read More Breaking News, Latest News and Videos | CNN