DULUTH, MN (KDAL) - Welcome to the northland's version of spring. The National Weather Service office in Duluth has issued a Winter Weather Advisory for most of the area until 7 p-m Friday. Snow is expected to accumulate through the day in northeast Minnesota and northwest Wisconsin to 3 to 5 inches causing snow covered and slippery road conditions. Then much below normal temperatures will return for the weekend. Expect upper teens to around 20 for high's on Saturday and Sunday and sub zero low's are possible on Sunday morning.