Above-normal temperatures are expected to peak this weekend in Southern California. A high-pressure system will drive temperatures well above normal, with highs running 5 to 10 degrees above average. Triple-digit temperatures are forecast for valley and inland areas on Friday and Saturday.

Moderate to high heat health safety risks are anticipated through Sunday. Further details on the heat forecast and air quality advisory are available, including the impact on coastal areas and the expected duration of the heat wave. Readers can see the LA heat forecast for more information on the extreme weather conditions.