yuma, arizona, 82. deadman creek, montana, is 16 below zero. 98 degrees colder than yuma, arizona. yeah. and it's snowing. it's been snowing all day in michigan and parts of wisconsin. two feet of snow burying cars in that area. you're going to feel a piece of the cold there in new york and boston and philadelphia, but not the kind of cold air that is going to be bottled up there in montana. high for tomorrow only going to be around 55, 60 degrees. then the cold air comes by and you drop down a little bit. there's good news and bad news. it's not that we're going to see round one be that cold for new york, but round two next week gets colder. like gary said, this is not over by any means. the next ten days over the entire eastern half of the country below normal. look at the high in denver. 6. 6 will be the high tomorrow after morning lows easily below zero there. >> all right. amazing. chad myers, thank you very much. appreciate it. >>> escalating outrage in mexico over 43 missing students and the government's response in their possible role in their disappearance. violent protest

particularly my experience in yuma arizona which i was very fortunate and i made some very good connections early on. i was able to maneuver around some of the obstacles that journalists are brought to light public affairs officers who make it very difficult. i understand they have a job to do but i didn't have to talk to them much of that made me happy. when i got to yuma this marine whose name is gunnery sergeant christopher nye and he is kind of scary if you don't know him well. he has an intimidating presence in every single respect of the word. wasn't very forthcoming. i called and he said the m.i.t. income and i said okay when can i come? he said i don't know i'll get back to and they got back to me and i called in to let them know i'd arrived and he gave me straight to the point directions. it was clear he was not going to repeat them. i had to drive two hours in the dark at 3:30 in the morning to get to this massive expanse of land in the middle of the arizona desert and there are no signs anywhere. he was telling me turn left at the jobsite but in the dark ones that look like quest

yuma at 68, which is 20 celsius. dead man creek in montana, appropriate man, right? 18 below zero. that is about an 80-degree temperature swing from what is going on across portions of arizonato montana. shows the remarkable turn in the temperatures. there you go. there are the overnight temperatures as far as lows across montana and much of the western plains of the united states, about 26, 22 degrees below average. you take a look taft windchill as cold as minus 40 degrees. and any time you get this cold in the windchill department, it becomes very dangerous. schools begin closing at about 25 to 30 below zero. and you see with minus 30 windchills, 10 minutes exposure outside causes frostbite. you bring that down to minus 50, it only takes a couple of minutes, or around 5 minutes to cause permanent damage at times to your skin. very dangerous situation with these temperatures. here goes the air mass that is going to be plummeting well to the south. it expands over much of the united states. in fact, on tuesday morning, 8:00 in the morning tuesday, the temperatures across the u.s. about 50% of the united states below freezing in the morning hours of tuesday. that's expected