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CALWIRE Weather Roundup (Friday, July 31, 2026)
By Cal Wire Weather Desk
HEAT ADVISORY — Los Banos - Dos Palos
Heat Advisory issued July 31 at 5:57AM PDT until August 3 at 11:00PM PDT by NWS Hanford CA
HEAT ADVISORY — Orange County Coastal
Heat Advisory issued July 31 at 2:04AM PDT until August 2 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — Orange County Inland
Extreme Heat Warning issued July 31 at 2:04AM PDT until August 2 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — San Diego County Inland Valleys
Extreme Heat Warning issued July 31 at 2:04AM PDT until August 2 at 8:00PM PDT by NWS San Diego CA
HEAT ADVISORY — San Diego County Coastal Areas
Heat Advisory issued July 31 at 2:04AM PDT until August 2 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — Santa Ana Mountains and Foothills
Extreme Heat Warning issued July 31 at 2:04AM PDT until August 2 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — Interstate 5 Corridor
Extreme Heat Warning issued July 30 at 11:07PM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
HEAT ADVISORY — San Luis Obispo County Inland Central Coast
Heat Advisory issued July 30 at 11:07PM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
EXTREME HEAT WARNING — Cuyama Valley
Extreme Heat Warning issued July 30 at 11:07PM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
EXTREME HEAT WARNING — Indian Wells Valley
Extreme Heat Warning issued July 31 at 5:57AM PDT until August 3 at 11:00PM PDT by NWS Hanford CA
EXTREME HEAT WARNING — Northwest Plateau
Extreme Heat Warning issued July 31 at 3:32AM PDT until August 2 at 8:00PM PDT by NWS Las Vegas NV
HEAT ADVISORY — Eastern Sierra Slopes of Inyo County
Heat Advisory issued July 31 at 3:32AM PDT until August 2 at 8:00PM PDT by NWS Las Vegas NV
EXTREME HEAT WARNING — Coachella Valley
Extreme Heat Warning issued July 31 at 2:04AM PDT until August 3 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — Riverside County Mountains
Extreme Heat Warning issued July 31 at 2:04AM PDT until August 2 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — Apple and Lucerne Valleys
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