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CALWIRE Weather Roundup (Monday, July 27, 2026)
By Cal Wire Weather Desk
HEAT ADVISORY — Orange County Coastal
Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
HEAT ADVISORY — San Bernardino and Riverside County Valleys-The Inland Empire
Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — Apple and Lucerne Valleys
Extreme Heat Warning issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
HEAT ADVISORY — Orange County Inland
Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
HEAT ADVISORY — San Bernardino County Mountains
Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
HEAT ADVISORY — San Diego County Coastal Areas
Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
HEAT ADVISORY — Santa Ana Mountains and Foothills
Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
HEAT ADVISORY — San Diego County Mountains
Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — Coachella Valley
Extreme Heat Warning issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
HEAT ADVISORY — San Diego County Inland Valleys
Heat Advisory issued July 27 at 5:24AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
EXTREME HEAT WARNING — Indian Wells Valley
Extreme Heat Warning issued July 27 at 4:56AM PDT until July 27 at 9:00PM PDT by NWS Hanford CA
EXTREME HEAT WARNING — Lake Havasu and Fort Mohave
Extreme Heat Warning issued July 27 at 4:47AM PDT until July 27 at 8:00PM PDT by NWS Las Vegas NV
EXTREME HEAT WARNING — Antelope Valley
Extreme Heat Warning issued July 27 at 3:04AM PDT until July 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
HEAT ADVISORY — Santa Ynez Mountains Western Range
Heat Advisory issued July 27 at 3:04AM PDT until July 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
HEAT ADVISORY — Cuyama Valley
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