San Diego, CA

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Last Map Update: Tue, Aug 4, 2026 at 2:48:35 pm PDT

Watches, Warnings & Advisories

National Weather Service Los Angeles, CA

National Weather Service San Joaquin Valley, CA

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National Weather Service NWS Flagstaff, AZ

Extreme Heat Warning

Heat Advisory

Heat Advisories and Warnings

Highs Wednesday

Highs Thursday

Highs Saturday

HeatRisk Saturday

Heat alerts through Saturday.

Slightly above normal temperatures will produce moderate HeatRisk for far inland valleys, mountains, and deserts. Locally major HeatRisk in the deserts.

Slight warming trend will allow areas of moderate HeatRisk to expand for inland coastal basin and areas of major HeatRisk to expand for the deserts.

Friday and Saturday are expected to be the hottest days of the week. Moderate HeatRisk expected for most inland valleys and mountains. Major HeatRisk expected in the deserts.

Friday and Saturday are expected to be the hottest days of the week. Moderate HeatRisk expected for most inland valleys and mountains. Major HeatRisk expected in the deserts.