A 19-year-old man called and reported himself lost at 5:12 a.m. Thursday morning.
The man, who's name has not been released, was located with the help of data from the subject's cell phone company.
Officers with the Quincy Police Department searched the woods from Knapheide's landing to Quinsippi Island looking for the man near the Mississippi River.
At approximately 8:52 a.m. officials say that a Quincy Fire Department rescue boat found the subject along the river just south of the Knapheide's landing.
Adams County Emergency Management also provided assistance at the scene.
The subject was taken to Blessing Hospital for treatment of exposure from the weather.
The Adams County Sheriff's Office says the man's condition is not known at this time.