Arizona, 2018Excessive Heat in Arizona, July 5 to 7, 2018
July 5 to 7, 2018 · NWS TWC · 7 events in 4 counties and zones
Very hot temperatures occurred in Tucson and the deserts west of Tucson on July 5th. The record high temperature was tied at the Tucson International Airport.
Every event with a place to put it; 7 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
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Open the live radar over this ground
- Deaths
- 2
- Injuries
- 1
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 7
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.
Very hot temperatures occurred in Tucson and the deserts west of Tucson on July 5th. The record high temperature was tied at the Tucson International Airport.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tucson, AZ wrote its last area forecast discussion before the first event at Jul 5, 9:50 AM MST, 1 hour 10 minutes earlier.
Area forecast discussion, Jul 5, 9:50 AM MST, 1 hour 10 minutes before
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</html>Excessive Heat, Western Pima County
- When
- July 5, 11:00 AM MST to July 7, 9:00 PM MST
- Where
- Western Pima County forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 32.097, -111.790 (the zone’s center; the record gives no point)
High temperatures from July 5th through July 7th were between 105 and 113 from Tucson westward across Pima County and in southwest Pinal County, which were significantly above normal. Respective high temperatures include: Tucson International Airport 111 (record), 105 and 107 degrees; Organ Pipe Cactus National Monument 113, 113 (record) and 109 degrees; Sells 113 (record), 107 and 106 degrees; and Picacho 111, 109, 110 degrees. Green Valley also set a record high temperature of 108 degrees on July 7th. A hiker suffering from heat exhaustion at Sabino Canyon was rescued and taken to a hospital for treatment on July 8th. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one on the grounds of Organ Pipe Cactus National Monument on the 5th and another on the Tohono O'odham Nation south of Sells near the International Border on the 7th.
Excessive Heat, Tohono O Odham Nation
- When
- July 5, 11:00 AM MST to 9:00 PM MST
- Where
- Tohono O Odham Nation forecast zone
- Reported by
- Mesonet
- Coordinates
- 32.501, -111.567 (the zone’s center; the record gives no point)
High temperatures between 108 and 113 were common from Tucson westward across Pima County and in southwest Pinal County. A record high temperature of 111 degrees was tied at the Tucson International Airport. Sells reached 113 degrees and Ajo topped out at 109 degrees.
Excessive Heat, Tucson Metro Area
- When
- July 5, 11:00 AM MST to 9:00 PM MST
- Where
- Tucson Metro Area forecast zone
- Reported by
- Mesonet
- Coordinates
- 32.097, -111.790 (the zone’s center; the record gives no point)
High temperatures between 108 and 113 were common from Tucson westward across Pima County and in southwest Pinal County. A record high temperature of 111 degrees was tied at the Tucson International Airport. Sells reached 113 degrees and Ajo topped out at 109 degrees.
Excessive Heat, South Central Pinal County
- When
- July 5, 11:00 AM MST to 9:00 PM MST
- Where
- South Central Pinal County forecast zone
- Reported by
- Mesonet
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
High temperatures between 108 and 113 were common from Tucson westward across Pima County and in southwest Pinal County. A record high temperature of 111 degrees was tied at the Tucson International Airport. Sells reached 113 degrees and Ajo topped out at 109 degrees.
Excessive Heat, Tohono O Odham Nation
- When
- July 5, 11:00 AM MST to July 7, 9:00 PM MST
- Where
- Tohono O Odham Nation forecast zone
- Deaths
- 1 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 32.501, -111.567 (the zone’s center; the record gives no point)
High temperatures from July 5th through July 7th were between 105 and 113 from Tucson westward across Pima County and in southwest Pinal County, which were significantly above normal. Respective high temperatures include: Tucson International Airport 111 (record), 105 and 107 degrees; Organ Pipe Cactus National Monument 113, 113 (record) and 109 degrees; Sells 113 (record), 107 and 106 degrees; and Picacho 111, 109, 110 degrees. Green Valley also set a record high temperature of 108 degrees on July 7th. A hiker suffering from heat exhaustion at Sabino Canyon was rescued and taken to a hospital for treatment on July 8th. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one on the grounds of Organ Pipe Cactus National Monument on the 5th and another on the Tohono O'odham Nation south of Sells near the International Border on the 7th.
Excessive Heat, Tucson Metro Area
- When
- July 5, 11:00 AM MST to July 7, 9:00 PM MST
- Where
- Tucson Metro Area forecast zone
- Injuries
- 1 direct, 0 indirect
- Reported by
- Broadcast Media
- Coordinates
- 32.097, -111.790 (the zone’s center; the record gives no point)
High temperatures from July 5th through July 7th were between 105 and 113 from Tucson westward across Pima County and in southwest Pinal County, which were significantly above normal. Respective high temperatures include: Tucson International Airport 111 (record), 105 and 107 degrees; Organ Pipe Cactus National Monument 113, 113 (record) and 109 degrees; Sells 113 (record), 107 and 106 degrees; and Picacho 111, 109, 110 degrees. Green Valley also set a record high temperature of 108 degrees on July 7th. A hiker suffering from heat exhaustion at Sabino Canyon was rescued and taken to a hospital for treatment on July 8th. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one on the grounds of Organ Pipe Cactus National Monument on the 5th and another on the Tohono O'odham Nation south of Sells near the International Border on the 7th.
Excessive Heat, South Central Pinal County
- When
- July 5, 11:00 AM MST to July 7, 9:00 PM MST
- Where
- South Central Pinal County forecast zone
- Reported by
- Mesonet
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
High temperatures from July 5th through July 7th were between 105 and 113 from Tucson westward across Pima County and in southwest Pinal County, which were significantly above normal. Respective high temperatures include: Tucson International Airport 111 (record), 105 and 107 degrees; Organ Pipe Cactus National Monument 113, 113 (record) and 109 degrees; Sells 113 (record), 107 and 106 degrees; and Picacho 111, 109, 110 degrees. Green Valley also set a record high temperature of 108 degrees on July 7th. A hiker suffering from heat exhaustion at Sabino Canyon was rescued and taken to a hospital for treatment on July 8th. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one on the grounds of Organ Pipe Cactus National Monument on the 5th and another on the Tohono O'odham Nation south of Sells near the International Border on the 7th.
- 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, July 5 to 9, 201820 deaths · 32 events
- Lightning Strike in Missouri, July 5, 20181 death · 1 injured · 1 event
- Wildfire in California, July 5 to 22, 20181 death · 1 event
- Damaging Winds in Kentucky, July 5, 2018$469,000 · 60 kt wind · 21 events
- Flash Flood and Damaging Winds in Pennsylvania, July 5, 2018$505,000 · 50 kt wind · 6 events
- Flash Flooding and Hail in New Mexico, July 5, 2018$211,000 · 1 in hail · 8 events
- Damaging Winds in Ohio, July 5, 2018$141,000 · 52 kt wind · 10 events
- Tropical Storm in Guam, July 5, 2018$150,000 · 1 event
- Flash Flood and Damaging Winds in Arizona, July 5 to 8, 2018$118,000 · 52 kt wind · 5 events
- Damaging Winds in Tennessee, July 5, 2018$66,000 · 56 kt wind · 15 events
- Hail and Damaging Winds in Tennessee, July 5, 2018$67,000 · 1 in hail · 12 events
- Lightning Strike in Florida, July 5, 2018$100,000 · 1 event
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 2026-09-30. Each event’s entry at NCEI: 774083, 774084, 774085, 774086, 864926, 864929, 864930.