A Severe Extreme Heat Warning is in effect for San Diego County Deserts in California, according to the National Weather Service (NWS). The warning is active until 8 PM PDT on July 10, 2026.
The NWS forecasts dangerously hot conditions with high temperatures up to 117. Nighttime lows are expected to remain in the 80s.
An Extreme Heat Warning indicates that unusually hot conditions may increase the risk of heat-related illnesses. Residents in the affected areas could experience significant discomfort and potential health risks.
In case of an emergency, dial 911. Follow guidance from the NWS and local authorities. Stay hydrated by drinking plenty of fluids and seek air-conditioned environments. Avoid prolonged exposure to the sun and check on vulnerable neighbors and relatives.
