Colorado - Early storms chill much of U.S. - Pictures - CBS News Credit: Ed Andrieski/AP Alton Zenker gathers netting from round bales while feeding cows on his ranch, north of Carson, N.D., Dec. 4, 2013, as an arctic blast swept across the Northern Plains. Thursday's projected high is minus-6, falling to minus-10 by Saturday, with overnight lows to 24 below as a major winter storm bulldozed from the Rockies eastward. The National Weather Service forecast a foot or more of snow in some areas of the Upper Midwest, with freezing rain possible for parts of the Great Lakes. Credit: Kevin Cederstrom/AP Gary Quamme pushes his snow blower while clearing his driveway in Bismarck, N.D., Dec. 4, 2013. Credit: Mike McCleary/Bismarck Tribune/AP Bundled up for the wet weather, field worker Maria Cabrera scrambles to pick oranges at B. Hardin Ranches before an upcoming cold front hits the west coast, in Ivanhoe, Calif., Dec. 3, 2013. Credit: Gary Kazanjian/AP David "DJ" Rohrich plays with dog Trixie who tries to outrun a shovel of snow, in Bismarck, N.D., Dec. 3, 2013. Credit: Tom Stromme/The Tribune/AP Fresh snow surrounds the McPolin barn on the outskirts of Park City, Utah, Dec. 3, 2013. Credit: Tom Smart/The Deseret News/AP Elizabeth Spradlin walks her daughter, Astoria Spradlin, right, to school with Amelie Spradlin, left, in Colorado Springs, Colo., Dec. 4, 2013. Credit: Jerilee Bennett/The Colorado Springs Gazette/AP Doreen Brown throws salt across the icy covered driveway of her Bismarck, N.D. home, Dec. 2, 2013. A woman walks dogs through snow-covered trees in Liberty Park, in Salt Lake City, Utah, Dec. 3, 2013. Fresh snow falls at the base area at the Snow Park Lodge at Deer Valley Resort, Dec. 3, 2013. Credit: Deer Valley Resort/AP Wilma Huber is bundled up against the cold wind while shoveling outside her apartment, in Carson, N.D, Dec. 4, 2013. Fresh snow falls at the base area at the Snow Park Lodge at Deer Valley Resort, in Park City, Utah, Dec. 3, 2013. Strong, gusty winds whip across a snowdrift overhang near the south entrance of the state Capitol as the freezing temperatures and snow continues to hold a tight grip over North Dakota and the region in Bismarck, N.D., Dec. 4, 2013. A woman walks her daughter to school as snow falls and temperatures hovered around 8 degrees in Denver, Colo., Dec. 4, 2013. Credit: Brennan Linsley/AP Alton Zenker feeds calves on his ranch, north of Carson, N.D., Dec. 4, 2013. Fresh snow falls as a trail is groomed at the Snow Park Lodge at Deer Valley Resort, in Park City, Utah, Dec. 3, 2013.