Arizona, 2023Excessive Heat in Arizona, August 25 to 30, 2023
August 25 to 30, 2023 · NWS PSR · 28 events in 27 counties and zones
A strong upper level ridge of high pressure over the Great Plains retrograded westward to the western United States, leading to excessive heat conditions across the region. High temperatures observed at Phoenix Sky Harbor for the end of the month reached between 109-117 degrees with record highs in Phoenix set on the 27-29th.
Every event with a place to put it; 28 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
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- Deaths
- 35
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 28
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
A strong upper level ridge of high pressure over the Great Plains retrograded westward to the western United States, leading to excessive heat conditions across the region. High temperatures observed at Phoenix Sky Harbor for the end of the month reached between 109-117 degrees with record highs in Phoenix set on the 27-29th. According to the Maricopa County Department of Public Health, there were 35 heat-associated fatalities that occurred during this time.
Excessive Heat, Central Phoenix
- When
- August 25, 12:00 AM MST to 11:59 PM MST
- Where
- Central Phoenix forecast zone
- Deaths
- 0 direct, 1 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One indirect 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, Central Phoenix
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Central Phoenix forecast zone
- Deaths
- 10 direct, 10 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Twenty heat-associated fatalities (10 direct and 10 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, Scottsdale/Paradise Valley
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Scottsdale/Paradise Valley forecast zone
- Deaths
- 0 direct, 1 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
One indirect 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, North Phoenix/Glendale
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- North Phoenix/Glendale forecast zone
- Deaths
- 3 direct, 3 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Six heat-associated fatalities (3 direct and 3 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, East Valley
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- East Valley forecast zone
- Deaths
- 1 direct, 1 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Two heat-associated 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, Buckeye/Avondale
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Buckeye/Avondale forecast zone
- Deaths
- 2 direct, 3 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Five heat-associated fatalities (2 direct and 3 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, Northwest Valley
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Northwest Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Deer Valley
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Deer Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, South Mountain/Ahwatukee
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- South Mountain/Ahwatukee forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Southeast Valley/Queen Creek
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Southeast Valley/Queen Creek forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Aguila Valley
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Aguila Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Tonopah Desert
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Tonopah Desert forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Gila Bend
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Gila Bend forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Cave Creek/New River
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Cave Creek/New River forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, New River Mesa
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- New River Mesa forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Rio Verde/Salt River
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Rio Verde/Salt River forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Fountain Hills/East Mesa
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Fountain Hills/East Mesa forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Superior
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Superior forecast zone
- Reported by
- County Official
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Excessive Heat, Northwest Pinal County
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Northwest Pinal County forecast zone
- Reported by
- County Official
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Excessive Heat, West Pinal County
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- West Pinal County forecast zone
- Reported by
- County Official
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Excessive Heat, Apache Junction/Gold Canyon
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Apache Junction/Gold Canyon forecast zone
- Reported by
- County Official
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Excessive Heat, Sonoran Desert Natl Monument
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Sonoran Desert Natl Monument forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Parker Valley
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Parker Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.729, -113.981 (the zone’s center; the record gives no point)
Excessive Heat, Yuma
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Yuma forecast zone
- Reported by
- County Official
- Coordinates
- 32.769, -113.906 (the zone’s center; the record gives no point)
Excessive Heat, Southeast Yuma County
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Southeast Yuma County forecast zone
- Reported by
- County Official
- Coordinates
- 32.769, -113.906 (the zone’s center; the record gives no point)
Excessive Heat, Gila River Valley
- When
- August 26, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Gila River Valley forecast zone
- Reported by
- County Official
- Coordinates
- 32.769, -113.906 (the zone’s center; the record gives no point)
Excessive Heat, Kofa
- When
- August 28, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Kofa forecast zone
- Reported by
- County Official
- Coordinates
- 33.249, -113.943 (the zone’s center; the record gives no point)
Excessive Heat, Central la Paz
- When
- August 28, 10:00 AM MST to August 30, 8:00 PM MST
- Where
- Central la Paz forecast zone
- Reported by
- County Official
- Coordinates
- 33.729, -113.981 (the zone’s center; the record gives no point)
| Event | Date | Age | Sex | Where | Kind |
|---|
| Excessive Heat, Central Phoenix | 2023-08-25 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-27 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-29 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-26 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-26 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-26 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-27 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-27 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-28 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-28 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-28 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-28 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-28 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-29 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-29 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-29 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-29 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-29 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-30 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2023-08-30 | | | Unknown | Indirect |
| Excessive Heat, Central Phoenix | 2023-08-30 | | | Unknown | Indirect |
| Excessive Heat, Scottsdale/Paradise Valley | 2023-08-26 | | | Unknown | Indirect |
| Excessive Heat, North Phoenix/Glendale | 2023-08-26 | | | Unknown | Indirect |
| Excessive Heat, North Phoenix/Glendale | 2023-08-27 | | | Unknown | Indirect |
| Excessive Heat, North Phoenix/Glendale | 2023-08-28 | | | Unknown | Direct |
| Excessive Heat, North Phoenix/Glendale | 2023-08-28 | | | Unknown | Direct |
| Excessive Heat, North Phoenix/Glendale | 2023-08-29 | | | Unknown | Direct |
| Excessive Heat, North Phoenix/Glendale | 2023-08-30 | | | Unknown | Indirect |
| Excessive Heat, East Valley | 2023-08-28 | | | Unknown | Direct |
| Excessive Heat, East Valley | 2023-08-28 | | | Unknown | Indirect |
| Excessive Heat, Buckeye/Avondale | 2023-08-28 | | | Unknown | Direct |
| Excessive Heat, Buckeye/Avondale | 2023-08-28 | | | Unknown | Indirect |
| Excessive Heat, Buckeye/Avondale | 2023-08-29 | | | Unknown | Direct |
| Excessive Heat, Buckeye/Avondale | 2023-08-29 | | | Unknown | Indirect |
| Excessive Heat, Buckeye/Avondale | 2023-08-30 | | | Unknown | Indirect |
- Excessive Heat
- Heat at or above the local excessive heat warning criteria, or heat that caused deaths.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Excessive Heat and Heat in Arizona, August 25 to 30, 202311 deaths · 8 events
- Hail and Damaging Winds in Kentucky, August 25, 20231 death · $15,000 · 50 kt wind · 16 events
- Flash Flood in Utah, August 25, 20231 death · 1 event
- Hail and Damaging Winds in Nebraska, August 25, 2023$5.1 million · 1 in hail · 4 events
- Damaging Winds and Lightning Strike in Kentucky, August 25, 20232 injured · 72 kt wind · 21 events
- Damaging Winds in Georgia, August 25, 2023$50,000 · 65 kt wind · 2 events
- Flooding and Damaging Winds in Indiana, August 25 to 26, 2023$27,000 · 55 kt wind · 7 events
- Flash Flooding and Damaging Winds in West Virginia, August 25 to 26, 2023$17,000 · 50 kt wind · 16 events
- Damaging Winds in Illinois, August 25 to 26, 202361 kt wind · 20 events
- Heat in Tennessee, August 25, 202312 events
- Excessive Heat in Kentucky, August 25, 202311 events
- Flash Flood and Hail in Kansas, August 25, 2023$1,000 · 1.75 in hail · 11 events
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1214446, 1214447, 1214448, 1214449, 1214450, 1214451, 1218128, 1218130, 1218136, 1218137, 1218140, 1218141, 1218142, 1218143, 1218144, 1218145, 1218147, 1218148, 1218149, 1218150, 1218151, 1218152, 1218153, 1218154, 1218155, 1218156, 1218348, 1218349.