GLOBALINCIDENTTRACKER
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Complete archive

Heat Wave · United States 335

Every incident we have ever recorded — searchable and filterable. Each record has its own detailed page with location, severity, source and safety guidance.

IncidentTypeCountrySeverityDate (UTC)Source
Extreme Heat Watch — Yuma Heat Wave United States Severe 2026-10-04 18:38 NWS
Extreme Heat Warning — Cuyama Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains We Heat Wave United States Severe 2026-10-04 18:04 NWS
Extreme Heat Warning — Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casi Heat Wave United States Severe 2026-10-04 18:04 NWS
Extreme Heat Warning — Death Valley National Park Heat Wave United States Severe 2026-10-04 07:19 NWS
Extreme Heat Warning — San Diego County Coastal Areas Heat Wave United States Severe 2026-10-04 01:05 NWS
Extreme Heat Warning — Orange County Inland Heat Wave United States Severe 2026-10-04 01:05 NWS
Extreme Heat Warning — Santa Ana Mountains and Foothills Heat Wave United States Severe 2026-10-04 01:05 NWS
Extreme Heat Warning — San Bernardino and Riverside County Valleys-The Inland Empire Heat Wave United States Severe 2026-10-04 01:05 NWS
Extreme Heat Warning — Orange County Coastal Heat Wave United States Severe 2026-10-04 01:05 NWS
Extreme Heat Warning — San Diego County Inland Valleys Heat Wave United States Severe 2026-10-04 01:05 NWS
Extreme Heat Warning — Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casi Heat Wave United States Severe 2026-10-03 19:15 NWS
Extreme Heat Warning — Cuyama Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains We Heat Wave United States Severe 2026-10-03 19:15 NWS
Extreme Heat Warning — Orange County Inland Heat Wave United States Severe 2026-10-03 04:13 NWS
Extreme Heat Warning — Santa Ana Mountains and Foothills Heat Wave United States Severe 2026-10-03 04:13 NWS
Extreme Heat Warning — San Diego County Coastal Areas Heat Wave United States Severe 2026-10-03 04:13 NWS
Extreme Heat Warning — San Diego County Inland Valleys Heat Wave United States Severe 2026-10-03 04:13 NWS
Extreme Heat Warning — Orange County Coastal Heat Wave United States Severe 2026-10-03 04:13 NWS
Extreme Heat Warning — San Bernardino and Riverside County Valleys-The Inland Empire Heat Wave United States Severe 2026-10-03 04:13 NWS
Alerta en California: SDG&E advierte posibles cortes de luz por ola de calor en estos lugares de San Diego Heat Wave United States Moderate 2026-10-02 20:19 PRESS
Extreme Heat Warning — Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casi Heat Wave United States Severe 2026-10-02 17:38 NWS
Extreme Heat Warning — Ventura County Beaches; Malibu Coast Heat Wave United States Severe 2026-10-02 12:38 NWS
Extreme Heat Warning — Cuyama Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains We Heat Wave United States Severe 2026-10-02 12:38 NWS
Extreme Heat Warning — Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Centra Heat Wave United States Severe 2026-10-02 12:38 NWS
Extreme Heat Warning — San Diego County Inland Valleys Heat Wave United States Severe 2026-10-02 03:59 NWS
Extreme Heat Warning — Orange County Coastal Heat Wave United States Severe 2026-10-02 03:59 NWS
Extreme Heat Warning — Santa Ana Mountains and Foothills Heat Wave United States Severe 2026-10-02 03:59 NWS
Extreme Heat Warning — Orange County Inland Heat Wave United States Severe 2026-10-02 03:59 NWS
Extreme Heat Warning — San Bernardino and Riverside County Valleys-The Inland Empire Heat Wave United States Severe 2026-10-02 03:59 NWS
Extreme Heat Warning — San Diego County Coastal Areas Heat Wave United States Severe 2026-10-02 03:59 NWS
Extreme Heat Warning — Cuyama Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains We Heat Wave United States Severe 2026-10-01 19:17 NWS