WINNEBAGO COUNTY, WI (WTAQ) - Sheriff's officials in Winnebago County are searching for a missing man.

40-year-old Chad Lichterman was last seen in the area of the Wiouwash Recreation Trail north of Oshkosh at midnight Saturday.

Investigators say Lichterman has a history of mental illness, including depression.

He's described as 5'10", weighing about 200 pounds and was last seen wearing a maroon hooded sweatshirt.

Anyone with information is asked to call the sheriff’s office at (920) 236-7316.