Authorities believe that the body is Robert Steinbrecker because the tip from a resident indicated a green and gold hat was found in the area.
Officials say the identification of the body is pending. An autopsy will be completed to determine the cause and manner of death.
Late Friday, they confirmed the body was his.
UPDATE: 1/5/13 - Steinbrecker is still missing and authorities are asking the public to keep looking out for him and any clues that may lead them to him.
Robert E. Steinbrecker, 24, went missing from City of Cedarburg, Wisc. on Dec. 27, 2012. He was last seen on Thursday by two friends around 2 a.m. They were walking when Robert ran ahead on Cedar Creek Road to his parents' home in the Town of Cedarburg, according to the Ozaukee County Sheriff's Office, and went missing.
Steinbrecker is described as white, six feet tall and weighing 165 pounds with red, shoulder-length hair and blue eyes. He was wearing a dark green heavy parka, brown pants, a green and gold Green Bay Packers knit hat, black tennis shoes and an off-white button-up shirt with a black T-shirt underneath.
Anyone who has seen Steinbrecker since 2 a.m. Thursday is asked to call their local law enforcement agency or the Ozaukee County Sheriff's Office at (262) 284-7172.