WAUSAU, Wis. (CBS 58) -- Wausau police have issued a Silver Alert for Harold Peterson, a 92-year-old man with a possible cognitive impairment who has been missing since Monday, April 27.

Surveillance footage showed Peterson leaving Aspirus Wausau Hospital in his car at 9:10 p.m. He had driven his son to the hospital but never returned home.

He is described as a white man, 5 feet 11 inches tall, 175 pounds, with hazel eyes and gray balding hair. He was last seen wearing a blue jacket, glasses and a baseball cap, possibly Green Bay Packers.

Peterson is believed to be driving a 2014 gray Buick Encore with Wisconsin license plate ADJ3419.

Anyone with information is asked to contact the Wausau Police Department at (715) 261-7800.