That’s 10–20° hotter than normal for August.The heat builds midweek, peaks Thursday and Friday, and sticks around through the weekend. With dry air, fire risk also climbs across valleys and mountains.

State firefighting resources have been deployed in Los Angeles County ahead of a heat wave expected to increase fire damage across Southern California through the weekend.

Southern California faces a heatwave with temperatures forecast to exceed average levels by up to 10 degrees inland.

Extreme heat and fire weather advisories have been issued across Southern California's interior, with highs expected to peak Thursday and Friday.