The Tulare County Sheriff's Office says the happened around midnight Tuesday near E. Lavinia Avenue in the community of Pixley.
When deputies arrived, they found two 14-year-old with gunshot wounds inside of a vehicle.
Both of them were taken to the hospital, with one of them listed in critical condition.
Around 1:40 pm, deputies say they found the suspect, 23-year-old Jeremiah Graham, at a home on Jacob Street near Goshen Avenue in Visalia.
Officials say Graham ran from the home but was arrested a short time later.
He was booked into jail on two counts of attempted homicide.
Deputies are still investigating what led up to the shooting.