good eveni. tonight, there is snow over 39% of the land mass of the continental united states. in some places, the snow dips way down to the south. it snowed briefly in atlanta today where it never got above freezing. 10 degrees in detroit. 7 in chicago. minus 14 in minneapolis. where the temperature is the least of their worries. they don t scare easily in winter in minnesota, in part because they get to watch their vikings indoors. that is until yesterday. this was downright scary. 17 inches of snowfall, just too much for the inflatable roof at the metrodome. the roof gave way. snow on the field. the game was moved to detroit tonight, and that s just part of the story in this blast of weather that has crushed some records going back 100 years. our own kevin tibbles starts us off tonight at the former dome in minneapolis. kevin, good evening. reporter: brian, this darkened hulk of a building behind me here was supposed to be teaming with football fans tonight. instead, wea