Peter, 58, was last seen around 9.30am on March 22 in the Station Road area.
He is described as white, 5ft 8in tall, of slim build with brown and grey shoulder-length hair. Peter is believed to be wearing jeans, a fleece and a blue waterproof jacket with a hood. He may be carrying a red rucksack.
Peter has links to Burnley and Padiham.
He may appear vulnerable and we are concerned for his welfare.
If anyone has any information, please call 101 or email [email protected] quoting log 0511 of March 26.
