Winny Draper was last seen at noon on Sunday walking alone on Mansfield-Woods Point Road, Jamieson.

Her car, a 2002 silver Toyota Corolla, was found yesterday at Quilton Reserve, Quilton North.

Senior Constable Marty Beveridge said police believed Ms Draper suffered from a medical condition and was concerned for her welfare.

Ms Draper is described as 162 cm tall with a slight build, black hair with some grey, and was wearing an orange vest and tan-coloured pants.

Information to Mansfield Police on 5775 2555 or Crime Stoppers on 1800 333 000 or www.crimestoppers.com.au