Nation braces for the coldest temperatures in 40 YEARS! where are the "Global Warming"guys?

Below-freezing temperatures expected to carry on through the weekend with rare 'polar vortex' due in the Midwest

Record lows expected across the region as a freakishly cold weather-system barrels down from the Arctic to hit the United States

Experts have said that the weather will be the coldest experienced in almost three generations

Nearly half the nation -- 140 million people -- will be hit by under zero degrees Fahrenheit temperatures or lower by Wednesday

Nights in North Dakota will be nearly -30 degrees Fahrenheit

At least 16 deaths were blamed on the storm as it swept across the nation's eastern half

On Sunday the Green Bay Packers play the San Francisco 49ers at Lambeau Field in Green Bay, Wisconsin - in temperatures approaching -20 - possibly the coldest game ever played

Meteorologists have warned that the cold temperatures could remain throughout the entire winter season

2,500 flights canceled on Friday across the U.S. and an additional 5,100 delayed

Warnings plummeting temperatures and wind chills below zero could freeze exposed skin within 15 minutes

Outreach teams looked to get homeless people off the frigid streets of Minneapolis, New York, Chicago and Boston