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Southern California braces for extreme heat wave with soaring temperatures and fire risk

A severe heat wave will hit Southern California from Friday through the weekend, bringing temperatures up to 120 °F, heightened wildfire danger and tough beach conditions.

Forecasters say a new heat wave will dominate Southern California beginning Friday and persisting through the weekend, with daytime highs ranging from the mid-90s to over 110 °F in inland valleys and the low desert potentially approaching 120 °F. Coastal areas will be milder but still see temperatures in the 80s, while nighttime lows near Los Angeles are expected to remain above 70 °F, raising concerns about heat stress.

Kristen Stewart of the U.S. Forest Service notes that, aside from the immediate shoreline, the region will experience an increased threat of major wildfires, particularly in the San Joaquin Valley foothills and surrounding lower mountain zones. Beachgoers are cautioned that a large south swell tied to Hurricane Genevieve will produce sizable waves and strong rip currents, prompting a high surf advisory through Saturday evening for south-facing beaches from Manhattan Beach to Port Hueneme and from Long Beach to the Palos Verdes Peninsula. Health officials advise residents to stay hydrated, seek air-conditioned spaces, limit outdoor exertion to cooler morning or evening hours, and avoid leaving children or pets in vehicles.

Why it matters

Extreme heat and fire risk threaten public safety, health and daily activities across a densely populated region.

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heat wavesouthern californiawildfire dangerhigh temperaturesbeach surfhealth riskshurricane genevieve