Temperatures as much as 50 degrees below average are possible in several parts of the country, with wind chills as low as -50 degrees expected for some.
Arctic blast headed for US as polar vortex weakens foxweather.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from foxweather.com Daily Mail and Mail on Sunday newspapers.
Temperatures as much as 50 degrees below average are possible in several parts of the country, with wind chills as low as -50 degrees expected for some.
Polar vortex set to send arctic blast deep into US starting later this week nypost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nypost.com Daily Mail and Mail on Sunday newspapers.