Southern California heat wave timeline: When extreme temperatures, red flag warnings peak

Southern California is experiencing a prolonged heat wave that brings dangerously high temperatures and an elevated risk of wildfires to the region through the end of the week. Extreme heat warnings remain in effect for much of the region through 8 p.m. Friday, according to the National Weather Service. Temperatures across inland areas, valleys, and mountain ranges are projected to climb 10 to 15…