An extended period of very hot temperatures were experienced in southeast Arizona from August 13th-19th. Many locations approached or exceeded 110 degrees and set new daily record high temperatures. The Pima County Medical Examiner confirmed that heat was the primary cause of death for four adult males during the period, two each in Pima and Santa Cruz counties.

Heat in UPPER SANTA CRUZ RIVER AND ALTAR VALLEYS, ARIZONA
From 17-AUG-20 10:00:00 to 17-AUG-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Hot and above normal temperatures around 100 degrees occurred in parts of Santa Cruz County causing the Moderate Heat Risk category to be reached on August 17. The Pima County Medical Examiner confirmed that heat was the primary cause of death for one adult male near Patagonia.

Excessive Heat in UPPER GILA RIVER AND ARAVAIPA VALLEYS, ARIZONA
From 13-AUG-20 10:00:00 to 16-AUG-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Very hot temperatures 10 to 15 degrees above normal occurred in parts of southeast Arizona, causing the High Heat Risk category to be reached August 13 through August 16. Record high temperatures were tied or set at most locations on multiple days during the period. The hottest record temperatures during this stretch were 113 degrees at Safford Airport on August 15; 111 at both Fort Thomas on the 15th and 16th and Sasabe on the 14th; 110 at Duncan on the 15th; and 104 at Nogales Airport on the 13th and 15th.  The Pima County Medical Examiner confirmed that heat was the primary cause of death for one adult male near Ruby on August 16th.

Excessive Heat in SOUTH CENTRAL PINAL COUNTY, ARIZONA
From 13-AUG-20 10:00:00 to 19-AUG-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Very hot temperatures 10 to 13 degrees above normal occurred in the lower elevations of southeast Arizona, causing the High Heat Risk category to be reached August 13 through August 19. Record high temperatures were tied or set at most locations on multiple days during the period.  The hottest record temperatures during this stretch were 115 degrees at Ajo on August 18; 114 at Organ Pipe Cactus National Monument on August 17 and 18; 113 at Picacho on the 18th; 111 at both Sells on the 16th and 17th and at Tucson International Airport on the 13th; 109 at Green Valley on the 17th; and 106 at San Manuel on the 14th and 15th. Low temperatures during this period were as warm as 84 at Tucson and 89 at Ajo. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one near Guvo  on the Tohono O'odham Nation on August 13th and one on the grounds of the Ironwood National Forest on August 14th.

Excessive Heat in SOUTHEAST PINAL COUNTY, ARIZONA
From 13-AUG-20 10:00:00 to 19-AUG-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Very hot temperatures 10 to 13 degrees above normal occurred in the lower elevations of southeast Arizona, causing the High Heat Risk category to be reached August 13 through August 19. Record high temperatures were tied or set at most locations on multiple days during the period.  The hottest record temperatures during this stretch were 115 degrees at Ajo on August 18; 114 at Organ Pipe Cactus National Monument on August 17 and 18; 113 at Picacho on the 18th; 111 at both Sells on the 16th and 17th and at Tucson International Airport on the 13th; 109 at Green Valley on the 17th; and 106 at San Manuel on the 14th and 15th. Low temperatures during this period were as warm as 84 at Tucson and 89 at Ajo. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one near Guvo  on the Tohono O'odham Nation on August 13th and one on the grounds of the Ironwood National Forest on August 14th.

Excessive Heat in TOHONO O ODHAM NATION, ARIZONA
From 13-AUG-20 10:00:00 to 19-AUG-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Very hot temperatures 10 to 13 degrees above normal occurred in the lower elevations of southeast Arizona, causing the High Heat Risk category to be reached August 13 through August 19. Record high temperatures were tied or set at most locations on multiple days during the period.  The hottest record temperatures during this stretch were 115 degrees at Ajo on August 18; 114 at Organ Pipe Cactus National Monument on August 17 and 18; 113 at Picacho on the 18th; 111 at both Sells on the 16th and 17th and at Tucson International Airport on the 13th; 109 at Green Valley on the 17th; and 106 at San Manuel on the 14th and 15th. Low temperatures during this period were as warm as 84 at Tucson and 89 at Ajo. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one near Guvo  on the Tohono O'odham Nation on August 13th and one on the grounds of the Ironwood National Forest on August 14th.

Excessive Heat in TUCSON METRO AREA, ARIZONA
From 13-AUG-20 10:00:00 to 19-AUG-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Very hot temperatures 10 to 13 degrees above normal occurred in the lower elevations of southeast Arizona, causing the High Heat Risk category to be reached August 13 through August 19. Record high temperatures were tied or set at most locations on multiple days during the period.  The hottest record temperatures during this stretch were 115 degrees at Ajo on August 18; 114 at Organ Pipe Cactus National Monument on August 17 and 18; 113 at Picacho on the 18th; 111 at both Sells on the 16th and 17th and at Tucson International Airport on the 13th; 109 at Green Valley on the 17th; and 106 at San Manuel on the 14th and 15th. Low temperatures during this period were as warm as 84 at Tucson and 89 at Ajo. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one near Guvo  on the Tohono O'odham Nation on August 13th and one on the grounds of the Ironwood National Forest on August 14th.

Excessive Heat in UPPER SANTA CRUZ RIVER AND ALTAR VALLEYS, ARIZONA
From 13-AUG-20 10:00:00 to 16-AUG-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Very hot temperatures 10 to 15 degrees above normal occurred in parts of southeast Arizona, causing the High Heat Risk category to be reached August 13 through August 16. Record high temperatures were tied or set at most locations on multiple days during the period. The hottest record temperatures during this stretch were 113 degrees at Safford Airport on August 15; 111 at both Fort Thomas on the 15th and 16th and Sasabe on the 14th; 110 at Duncan on the 15th; and 104 at Nogales Airport on the 13th and 15th.  The Pima County Medical Examiner confirmed that heat was the primary cause of death for one adult male near Ruby on August 16th.

Excessive Heat in WESTERN PIMA COUNTY, ARIZONA
From 13-AUG-20 10:00:00 to 19-AUG-20 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Very hot temperatures 10 to 13 degrees above normal occurred in the lower elevations of southeast Arizona, causing the High Heat Risk category to be reached August 13 through August 19. Record high temperatures were tied or set at most locations on multiple days during the period.  The hottest record temperatures during this stretch were 115 degrees at Ajo on August 18; 114 at Organ Pipe Cactus National Monument on August 17 and 18; 113 at Picacho on the 18th; 111 at both Sells on the 16th and 17th and at Tucson International Airport on the 13th; 109 at Green Valley on the 17th; and 106 at San Manuel on the 14th and 15th. Low temperatures during this period were as warm as 84 at Tucson and 89 at Ajo. The Pima County Medical Examiner confirmed that heat was the primary cause of death for two adult males, one near Guvo  on the Tohono O'odham Nation on August 13th and one on the grounds of the Ironwood National Forest on August 14th.