The extreme heat poses significant health risks, including heat-related illnesses, particularly for vulnerable populations such as the elderly, children, and those with pre-existing conditions. The NWS warns that car interiors can reach lethal temperatures within minutes, emphasizing the importance of not leaving pets or children unattended in vehicles. High humidity levels are adding to the discomfort, and thunderstorms have been reported in the mountainous areas. Coastal areas are also facing risks from high surf and potential rip currents, making beach activities hazardous. Residents and visitors are urged to exercise caution and take necessary precautions to stay safe.