Authorities say the suspect robbed a BBVA Compass Bank at 420 S. Palm Canyon on April 20.
The "Snowboarder Bandit" usually wears ski apparel to hide his identity. He has robbed 10 Orange County banks since December.
The suspect is described as a white male, standing between 6 feet and 6 feet 2 inches tall, weighing about 170-180 pounds with a thin build and broad shoulders, with blond hair and blue eyes. He usually wears long-sleeve shirts, a beanie hat and dark, square sunglasses.
Anyone with information is urged to call the FBI at (888) 226-8443.