A strong ridge of high pressure over the Desert Southwest resulted in excessive heat conditions as temperatures climbed well above normal. The hottest day in Phoenix occurred on the 4th with a high of 115 degrees. According to the Maricopa County Department of Public Health, 25 heat-associated fatalities occurred during this event.

Excessive Heat in CENTRAL LA PAZ, ARIZONA
From 03-AUG-21 10:00:00 to 05-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SONORAN DESERT NATL MONUMENT, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in YUMA, ARIZONA
From 03-AUG-21 10:00:00 to 05-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SOUTHEAST YUMA COUNTY, ARIZONA
From 03-AUG-21 10:00:00 to 05-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in NORTHWEST VALLEY, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in PARKER VALLEY, ARIZONA
From 03-AUG-21 10:00:00 to 05-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in KOFA, ARIZONA
From 03-AUG-21 10:00:00 to 05-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Heat in CENTRAL PHOENIX, ARIZONA
From 05-AUG-21 00:00:00 to 05-AUG-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Heat in NORTHWEST VALLEY, ARIZONA
From 05-AUG-21 00:00:00 to 05-AUG-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Excessive Heat in DEER VALLEY, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SCOTTSDALE/PARADISE VALLEY, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SOUTH MOUNTAIN/AHWATUKEE, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Heat in NORTH PHOENIX/GLENDALE, ARIZONA
From 06-AUG-21 00:00:00 to 06-AUG-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Excessive Heat in AGUILA VALLEY, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SOUTHEAST VALLEY/QUEEN CREEK, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in NORTHWEST PINAL COUNTY, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in WEST PINAL COUNTY, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in APACHE JUNCTION/GOLD CANYON, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in GILA BEND, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in GILA RIVER VALLEY, ARIZONA
From 03-AUG-21 10:00:00 to 05-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in FOUNTAIN HILLS/EAST MESA, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in TONOPAH DESERT, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in CAVE CREEK/NEW RIVER, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Heat in CENTRAL PHOENIX, ARIZONA
From 01-AUG-21 00:00:00 to 01-AUG-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Two fatalities (1 direct and 1 indirect) were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Excessive Heat in CENTRAL PHOENIX, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Eight direct fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Excessive Heat in EAST VALLEY, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Five direct fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Heat in CENTRAL PHOENIX, ARIZONA
From 02-AUG-21 00:00:00 to 02-AUG-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Four fatalities (2 direct and 2 indirect) were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Heat in CENTRAL PHOENIX, ARIZONA
From 06-AUG-21 00:00:00 to 06-AUG-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Heat in EAST VALLEY, ARIZONA
From 06-AUG-21 00:00:00 to 06-AUG-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Two direct fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.

Excessive Heat in BUCKEYE/AVONDALE, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in NORTH PHOENIX/GLENDALE, ARIZONA
From 03-AUG-21 10:00:00 to 04-AUG-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official