A heatwave due to a strong upper ridge formed across the region, with excessive heat warning conditions developing by the end of the period. Nine fatalities due to the heat (5 direct, 4 indirect), were reported by the Maricopa County Department of Public Health.

Heat in CENTRAL PHOENIX, ARIZONA
From 08-JUN-18 23:00:00 to 08-JUN-18 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One indirect fatality due to the heat was reported, with the specifics, such as age, gender, and circumstances unavailable.

Heat in CENTRAL PHOENIX, ARIZONA
From 09-JUN-18 23:00:00 to 09-JUN-18 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One indirect fatality due to the heat was reported, with the specifics, such as age, gender, and circumstances unavailable.

Heat in CENTRAL PHOENIX, ARIZONA
From 10-JUN-18 23:00:00 to 10-JUN-18 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One indirect fatality due to the heat was reported, with the specifics, such as age, gender, and circumstances unavailable.

Heat in CENTRAL PHOENIX, ARIZONA
From 11-JUN-18 23:00:00 to 11-JUN-18 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

One indirect fatality due to the heat was reported, with the specifics, such as age, gender, and circumstances unavailable.

Excessive Heat in CENTRAL PHOENIX, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive heat warning conditions were observed with 5 direct fatalities due to the heat reported by the Maricopa County Department of Public Health, with the specifics, such as age, gender, and circumstances unavailable.

Excessive Heat in NORTHWEST VALLEY, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in BUCKEYE/AVONDALE, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in CAVE CREEK/NEW RIVER, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in DEER VALLEY, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in NORTH PHOENIX/GLENDALE, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in SCOTTSDALE/PARADISE VALLEY, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in EAST VALLEY, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in FOUNTAIN HILLS/EAST MESA, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in SOUTH MOUNTAIN/AHWATUKEE, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in SOUTHEAST VALLEY/QUEEN CREEK, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in TONTO BASIN, ARIZONA
From 12-JUN-18 18:00:00 to 14-JUN-18 03:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS