Mikaela Renee Lynch was last seen in Highlands Harbor. She is 4 feet tall, 70 pounds and has brown hair and blue eyes, the Lake County Sheriff's Office said.
The girl's father, Bari Lynch, contacted Clearlake police around 1:30 p.m. Sunday to report her missing from the family's home at 15197 Harbor Drive.
Police said the girl is unable to speak and is considered at risk.
