Officials say Athena Fausset and Catrina Johnson were believed to have left the Ukian Boys and Girls Club around 5 p.m. Thursday.
Fausset was last seen wearing a blue, pullover hoodie, black leggings, and black slip-on shoes.
Johnson was last seen wearing a gray, zip-up hoodie, dark blue jeans, and a light colored blouse.
If you have seen these two girls, or have information on them please call the Mendocino County Dispatch Center at 707 - 463 - 4086.
UPDATE: The girls were found safely on Friday morning in Ukiah. Click here for details.