She was last seen in Wayne County on County Road 2375 North.
Cook was following her husband and took a wrong turn.
Cook is described as a 65-year-old woman, 5 feet, 5 inches tall, weighing 180 pounds, with gray, fuzzy hair. She was wearing light color jacket, dark-colored shirt, slacks and black shoes.
She is driving a maroon 2001 Dodge Dakota pickup truck with a maroon camper shell on it.
If you see her or her truck, call Clay County at 618-665-3316 or 911.