The heat wave poses significant risks, particularly for vulnerable populations such as the elderly, children, and those with pre-existing health conditions. Warm nights and high humidity levels will reduce overnight relief, increasing the risk of heat-related illnesses. Inland areas like the East Bay, South Bay, and parts of San Mateo County are expected to experience the highest temperatures, while coastal regions will see milder but still elevated heat. Residents are advised to stay hydrated, avoid strenuous activities during peak heat, and seek air-conditioned spaces.