CALWIRE Weather Roundup (Tuesday, August 25, 2026)

By Calwire Weather Desk

  By Calwire Weather Desk

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28 active weather alerts statewide today, led by a heat advisory for San Luis Obispo County Inland Central Coast, plus coverage for Orange County Coastal, Apple and Lucerne Valleys.

HEAT ADVISORY — San Luis Obispo County Inland Central Coast

Heat Advisory issued August 25 at 12:02AM PDT until August 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

HEAT ADVISORY — Orange County Coastal

Heat Advisory issued August 25 at 3:47AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

EXTREME HEAT WARNING — Apple and Lucerne Valleys

Extreme Heat Warning issued August 25 at 3:47AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

HEAT ADVISORY — San Diego County Coastal Areas

Heat Advisory issued August 25 at 3:47AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

EXTREME HEAT WARNING — Joshua Tree NP East

Extreme Heat Warning issued August 25 at 1:42AM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

EXTREME HEAT WARNING — Catalina and Santa Barbara Islands

Extreme Heat Warning issued August 25 at 12:02AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

EXTREME HEAT WARNING — Santa Clarita Valley

Extreme Heat Warning issued August 25 at 12:02AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

EXTREME HEAT WARNING — Western Antelope Valley Foothills

Extreme Heat Warning issued August 25 at 12:02AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

EXTREME HEAT WARNING — Cuyama Valley

Extreme Heat Warning issued August 25 at 12:02AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

HEAT ADVISORY — Santa Lucia Mountains

Heat Advisory issued August 25 at 12:02AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

RED FLAG WARNING — Cuyama Valley

Red Flag Warning issued August 24 at 1:46PM PDT until August 28 at 3:00PM PDT by NWS Los Angeles/Oxnard CA

RED FLAG WARNING — Santa Susana Mountains

Red Flag Warning issued August 24 at 1:46PM PDT until August 28 at 3:00PM PDT by NWS Los Angeles/Oxnard CA

EXTREME HEAT WARNING — San Diego County Mountains

Extreme Heat Warning issued August 25 at 3:47AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

EXTREME HEAT WARNING — Orange County Inland

Extreme Heat Warning issued August 25 at 3:47AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

EXTREME HEAT WARNING — San Bernardino and Riverside County Valleys-The Inland Empire

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Filed Under: Weather CALWIRE Weather Roundup Tuesday