The National Weather Service has extended a heat advisory for the Bay Area through Saturday.
The weather service said temperatures are expected to remain high on Saturday afternoon, which could impact vulnerable populations.
A heat advisory is issued when there is a threat to life, travel or commerce, according to the weather service.
Highs are forecast to be in the 80s and 90s along the coast and 90 to 100 degrees inland.
Risk from heat-related illnesses ranges from low to high around the Bay Area. Santa Clara Valley has a high risk factor for Saturday.
The weather service recommends paying attention to hydration, taking cooling breaks, and limiting outdoor activities during the afternoon and evening. Do not leave pets or children inside vehicles.
The advisory runs through 11 p.m. Saturday.
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