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 Warning — Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casi Heat Wave United States Severe 2026-10-01 19:17 NWS
Extreme Heat Warning — San Diego County Coastal Areas Heat Wave United States Severe 2026-10-01 07:29 NWS
Extreme Heat Warning — San Bernardino and Riverside County Valleys-The Inland Empire Heat Wave United States Severe 2026-10-01 07:29 NWS
Extreme Heat Warning — Orange County Inland Heat Wave United States Severe 2026-10-01 07:29 NWS
Extreme Heat Warning — Santa Ana Mountains and Foothills Heat Wave United States Severe 2026-10-01 07:29 NWS
Extreme Heat Warning — San Diego County Inland Valleys Heat Wave United States Severe 2026-10-01 07:29 NWS
Extreme Heat Warning — Orange County Coastal Heat Wave United States Severe 2026-10-01 07:29 NWS
Extreme Heat Watch — San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland V Heat Wave United States Severe 2026-10-01 03:47 NWS
Extreme Heat Watch — Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casi Heat Wave United States Severe 2026-09-30 16:46 NWS
Extreme Heat Watch — Cuyama Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains We Heat Wave United States Severe 2026-09-30 16:46 NWS
Extreme Heat Watch — San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland V Heat Wave United States Severe 2026-09-30 10:05 NWS
Extreme Heat Warning — San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Central Interior; Ponce and Vicinity; Nort Heat Wave United States Severe 2026-09-11 06:11 NWS
Extreme Heat Warning — Yuma Heat Wave United States Severe 2026-09-11 03:17 NWS
Extreme Heat Warning — Imperial County Southwest; Imperial County West; Imperial Valley Heat Wave United States Severe 2026-09-11 03:17 NWS
Extreme Heat Warning — Parker Valley; Central La Paz; Palo Verde Valley; Chuckwalla Valley Heat Wave United States Severe 2026-09-11 03:17 NWS
Extreme Heat Warning — Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning Heat Wave United States Severe 2026-09-11 02:35 NWS
One more day of extreme heat forecast for Phoenix Heat Wave United States Moderate 2026-09-10 17:12 GNEWS
Extreme Heat Warning — Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; Heat Wave United States Severe 2026-09-10 09:28 NWS
Extreme Heat Warning — Northwest Valley; Buckeye/Avondale; Cave Creek/New River; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsda Heat Wave United States Severe 2026-09-10 08:12 NWS
Extreme Heat Warning — Yuma Heat Wave United States Severe 2026-09-10 08:12 NWS
Extreme Heat Warning — Imperial County Southwest; Imperial County West; Imperial Valley Heat Wave United States Severe 2026-09-10 08:12 NWS
Extreme Heat Warning — Kofa; Southeast Yuma County; Gila River Valley; Tonopah Desert; Gila Bend; Sonoran Desert Natl Monument Heat Wave United States Severe 2026-09-10 08:12 NWS
Extreme Heat Warning — Parker Valley; Central La Paz; Palo Verde Valley; Chuckwalla Valley Heat Wave United States Severe 2026-09-10 08:12 NWS
Extreme Heat Warning — San Bernardino and Riverside County Valleys-The Inland Empire Heat Wave United States Severe 2026-09-10 02:44 NWS
Extreme Heat Warning — Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning Heat Wave United States Severe 2026-09-10 02:44 NWS
Extreme Heat Warning — San Diego County Inland Valleys Heat Wave United States Severe 2026-09-10 02:44 NWS
Extreme Heat Warning — Santa Ana Mountains and Foothills Heat Wave United States Severe 2026-09-10 02:44 NWS
Extreme Heat Warning — Orange County Inland Heat Wave United States Severe 2026-09-10 02:44 NWS
Extreme Heat Warning — Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; Heat Wave United States Severe 2026-09-09 11:24 NWS
Extreme Heat Warning — Yuma Heat Wave United States Severe 2026-09-09 11:22 NWS