The aerial extravaganza will feature the Navy Blue Angels and the Army Golden Knights.
The warning will be in effect from midnight Sunday through 3 p.m. Monday.
Police say the victim was a 20- to 25-year-old male with upper body trauma.
Additional firefighters were called to duty Saturday morning by the San Diego Fire chief because of a "prolonged period of hot, dry Santa Ana winds forecast for this weekend and much of next week."
A man who was lying in the street in University City was run over Saturday morning by a hit-and-run driver, according to police.