Dana Walters, 64, and Sheyenne Walters, 12, were reported missing by wife and mother Minda Walters on Tuesday.
They were last seen Monday at 8 a.m., when Dana was taking Sheyenne to Ocosta Elementary School. Dana was wearing a blue jacket, blue jeans and black shoes; Sheyenne was wearing a black sweatshirt, blue jeans and teal Converse shoes.
The missing vehicle is a 1994 white Chevrolet S-10 pickup with an older canopy, license plate B46647V.
Anyone with information is urged to contact Westport police (360-268-9197) or Ocosta Elementary School (360-268-9125).