KNOX COUNTY, MO. -- The Knox County Sheriff's office is asking Northeast Missouri residents to be on the lookout for a woman who has been missing from Michigan since mid-November. 

Authorities are looking for Tonia Stiles, 34, also known as Renee Whitehill. 

She was last seen at her home in Jackson County, Michigan, on November 18th. Stiles is five-feet, eight-inches tall, 140 pounds, with brown hair and blue eyes. 

She does have family in Knox County. if you have any information on the whereabouts of Tonia Stiles, you're asked to call the Knox County Sheriff's office at (660) 397-2186, or the Michigan State Police at (517) 780-4580.