Persistent cold expected for northern MN this month: Many Minnesota citizens may have already noticed the temperature disparity between northern Minnesota climate stations and southern Minnesota climate stations so far this month magnified by the presence of more abundant snow cover in northern landscapes. Many parts of northern Minnesota started the month with 12 to 15 inches of snow cover. Several northern climate stations have reported morning lows ranging from -20°F to -26°F so far this month, and two of these stations, Forest Center (near Isabella) and Crane Lake have reported the nation’s coldest temperature on February 1st and 4th, respectively. Over the same period of time Winnebago (Faribault County) and Rushford (Fillmore County) where snow cover is zero, were reporting daytime high temperatures in the upper 40s F. With additional snow expected this weekend to blanket most much of the landscape, persistent northwest flow and strong cold air advection will keep overnight lo...