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 — Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; Heat Wave United States Severe 2026-08-23 08:44 NWS
Extreme Heat Warning — Northwest Valley; Buckeye/Avondale; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; Ea Heat Wave United States Severe 2026-08-23 07:13 NWS
Extreme Heat Warning — San Carlos Heat Wave United States Severe 2026-08-23 07:13 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 2026-08-23 07:13 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 2026-08-23 07:13 NWS
Extreme Heat Watch — Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley Heat Wave United States Severe 2026-08-23 07:06 NWS
Extreme Heat Watch — Catalina and Santa Barbara Islands; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ve Heat Wave United States Severe 2026-08-23 07:06 NWS
Extreme Heat Watch — Santa Clarita Valley; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Inter Heat Wave United States Severe 2026-08-23 07:06 NWS
Extreme Heat Watch — Cuyama Valley Heat Wave United States Severe 2026-08-23 07:06 NWS
Extreme Heat Warning — Montague; Cooke; Grayson; Fannin; Young; Jack; Wise; Denton; Collin; Hunt; Delta; Hopkins; Stephens; Palo Pinto; Parker; Heat Wave United States Severe 2026-08-23 04:34 NWS
Extreme Heat Warning — Lamar; Eastland; Henderson; Comanche; Mills; Hamilton; Freestone; Anderson; Lampasas; Coryell; Bell; Falls; Limestone; L Heat Wave United States Severe 2026-08-23 04:34 NWS
Extreme Heat Warning — Donley; Collingsworth Heat Wave United States Severe 2026-08-23 04:26 NWS
Extreme Heat Warning — Palo Duro Canyon Heat Wave United States Severe 2026-08-23 04:26 NWS
Extreme Heat Warning — Llano; Burnet; Williamson; Travis; Bastrop; Lee; Caldwell; Fayette; Gonzales; Lavaca Heat Wave United States Severe 2026-08-23 04:06 NWS
Extreme Heat Warning — Beckham; Washita; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Coal; Cotton; Jefferson; Carter; Johnston; Heat Wave United States Severe 2026-08-23 04:02 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 2026-08-20 11:57 NWS
Extreme Heat Warning — San Carlos Heat Wave United States Severe 2026-08-20 09:30 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 2026-08-20 09:30 NWS
Extreme Heat Warning — Aguila Valley; Tonopah Desert; Gila Bend; Cave Creek/New River; Fountain Hills/East Mesa; Northwest Pinal County; West P Heat Wave United States Severe 2026-08-20 09:30 NWS
Extreme Heat Warning — Northwest Valley; Buckeye/Avondale; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; Ea Heat Wave United States Severe 2026-08-20 09:30 NWS
Extreme Heat Warning — Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning Heat Wave United States Severe 2026-08-20 08:31 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 2026-08-20 07:27 NWS
Extreme Heat Warning — Montague; Cooke; Grayson; Fannin; Lamar; Young; Jack; Wise; Denton; Collin; Hunt; Delta; Hopkins; Stephens; Palo Pinto; Heat Wave United States Severe 2026-08-20 06:24 NWS
Extreme Heat Warning — Garvin; Murray; Pontotoc; Coal; Carter; Johnston; Atoka; Love; Marshall; Bryan Heat Wave United States Severe 2026-08-20 06:23 NWS
Extreme Heat Warning — Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; McCurtain; Red River; Bowie; Franklin; Tit Heat Wave United States Severe 2026-08-20 05:25 NWS
Extreme Heat Warning — Pushmataha; Choctaw Heat Wave United States Severe 2026-08-20 03:43 NWS
Extreme Heat Warning — Grand Canyon Country Heat Wave United States Severe 2026-08-18 20:40 NWS
Extreme Heat Warning — Perry Heat Wave United States Severe 2026-08-10 17:15 NWS
Extreme Heat Warning — Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno Heat Wave United States Severe 2026-08-10 10:51 NWS
Extreme Heat Warning — West Side Mountains north of 198 Heat Wave United States Severe 2026-08-10 10:51 NWS