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 — Aguila Valley; Tonopah Desert; Gila Bend; Cave Creek/New River; New River Mesa; Rio Verde/Salt River; Fountain Hills/Eas Heat Wave United States Severe 2026-08-26 18:24 NWS
Extreme Heat Warning — Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial Heat Wave United States Severe 2026-08-26 18:24 NWS
Extreme Heat Warning — Northwest Valley; Buckeye/Avondale; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; Ea Heat Wave United States Severe 2026-08-26 18:24 NWS
Extreme Heat Warning — Cuyama Valley; Santa Clarita Valley; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barba Heat Wave United States Severe 2026-08-26 17:54 NWS
Extreme Heat Warning — Catalina and Santa Barbara Islands; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ve Heat Wave United States Severe 2026-08-26 17:54 NWS
Extreme Heat Warning — San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Ponce and Vicinity; Northwest; Mayaguez an Heat Wave United States Severe 2026-08-26 14:22 NWS
Extreme Heat Warning — Yavapai County Valleys and Basins Heat Wave United States Severe 2026-08-26 13:03 NWS
Extreme Heat Warning — Grand Canyon Country Heat Wave United States Severe 2026-08-26 13:03 NWS
Extreme Heat Warning — Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Va Heat Wave United States Severe 2026-08-26 09:49 NWS
Extreme Heat Warning — Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial Heat Wave United States Severe 2026-08-25 19:57 NWS
Extreme Heat Warning — Northwest Valley; Buckeye/Avondale; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; Ea Heat Wave United States Severe 2026-08-25 19:57 NWS
Extreme Heat Warning — Joshua Tree NP East; Salton Sea; Chuckwalla Mountains; Chiriaco Summit Heat Wave United States Severe 2026-08-25 19:57 NWS
Extreme Heat Warning — San Carlos Heat Wave United States Severe 2026-08-25 19:57 NWS
Extreme Heat Warning — Aguila Valley; Tonopah Desert; Gila Bend; Cave Creek/New River; New River Mesa; Rio Verde/Salt River; Fountain Hills/Eas Heat Wave United States Severe 2026-08-25 19:57 NWS
Extreme Heat Warning — Tonto Basin; Dripping Springs; Globe/Miami Heat Wave United States Severe 2026-08-25 19:57 NWS
Extreme Heat Warning — San Diego County Inland Valleys Heat Wave United States Severe 2026-08-25 19:19 NWS
Extreme Heat Warning — Orange County Inland Heat Wave United States Severe 2026-08-25 19:19 NWS
Extreme Heat Warning — San Bernardino and Riverside County Valleys-The Inland Empire Heat Wave United States Severe 2026-08-25 19:19 NWS
Extreme Heat Warning — Santa Ana Mountains and Foothills Heat Wave United States Severe 2026-08-25 19:19 NWS
Extreme Heat Warning — Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning Heat Wave United States Severe 2026-08-25 19:19 NWS
Extreme Heat Warning — Apple and Lucerne Valleys Heat Wave United States Severe 2026-08-25 19:19 NWS
Extreme Heat Warning — Indian Wells Valley; Mojave Desert Slopes; Mojave Desert Heat Wave United States Severe 2026-08-25 18:37 NWS
Extreme Heat Warning — Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Tucson Met Heat Wave United States Severe 2026-08-25 18:10 NWS
Extreme Heat Warning — Upper Santa Cruz River and Altar Valleys including Nogales; Upper San Pedro River Valley including Sierra Vista/Benson; Heat Wave United States Severe 2026-08-25 18:10 NWS
Extreme Heat Warning — Cuyama Valley; Santa Clarita Valley; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barba Heat Wave United States Severe 2026-08-25 17:42 NWS
Extreme Heat Warning — Catalina and Santa Barbara Islands; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ve Heat Wave United States Severe 2026-08-25 17:42 NWS
Extreme Heat Warning — Montague; Cooke; Grayson; Fannin; Young; Jack; Wise; Denton; Collin; Hunt; Stephens; Palo Pinto; Parker; Tarrant; Dallas Heat Wave United States Severe 2026-08-25 17:37 NWS
Extreme Heat Warning — Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Va Heat Wave United States Severe 2026-08-25 17:29 NWS
Extreme Heat Warning — Yavapai County Valleys and Basins Heat Wave United States Severe 2026-08-25 10:14 NWS
Extreme Heat Warning — Grand Canyon Country Heat Wave United States Severe 2026-08-25 10:14 NWS