UFO Sighting in El Cajon, California on 2017-08-11 11:50:00 - Watching clouds develop over mountains. halfway across three objects cylinder dark cross street in front once into the blue sky they were gone

1150 outside backyard watching the large clouds develop over the mountains from arizona. halfway through the cloud across the front of the cloud three object appeared cylinder dark i look to see if they were jets the jets don't fly three of them in this area look for nava lights wings none could be seen one was in front the other two appeared to be flying close to each other one a little higher than the other ones into the blue part of the sky they were gone just i moved around to see if my line of sight was off and that's why they look like they disappeared but they were gone .