atlanta, preparing for the super bowl, it's wintry weather all around. >> expect to see about 1 million people go to atlanta with the game on sunday. in advance of it, the coldest weather of years. i want to show you what's happening across international falls and northern minnesota. that's the icebox of the u.s. low temperature sunday morning at minus 46 degrees fahrenheit. the previous record low was minus 36. if you are curious, the coldest they have seen is colder than that, minus 55. how does it feel? what does it boil down to? well, let's talk about this. when it comes to extreme cold, you have motor oil freeze. 35 below zero, which it was colder in minnesota, antifreeze