Extreme Heat Watch

* WHAT...Dangerously hot conditions possible. Afternoon temperatures 106 to 114. Major Heat Risk.

* WHERE...A portion of south central Arizona.

* WHEN...From Wednesday morning through Friday evening.

* IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

Monday, Aug 18, 3:00 AM MST
Clear
98°
Feels 95°
 18%
Dewpt 47°
 w
2 - 3 mph
Sunday, Aug 17
Clear conditions throughout the day.
84 103 84 - 103
Monday, Aug 18
Partly cloudy throughout the day.
84 105 84 - 105
Tuesday, Aug 19
Partly cloudy throughout the day.
87 107 87 - 107
Wednesday, Aug 20
Partly cloudy throughout the day.
89 110 89 - 110
Thursday, Aug 21
Partly cloudy throughout the day.
91 110 91 - 110
Friday, Aug 22
Partly cloudy throughout the day.
91 110 91 - 110
Saturday, Aug 23
Partly cloudy throughout the day.
90 107 90 - 107
Sunday, Aug 24
Partly cloudy throughout the day.
90 107 90 - 107
Monday, Aug 25
Partly cloudy throughout the day with storms possible.
87 106 87 - 106
Tuesday, Aug 26
Partly cloudy throughout the day.
85 99 85 - 99
Wednesday, Aug 27
Partly cloudy throughout the day.
90 106 90 - 106
Thursday, Aug 28
Partly cloudy throughout the day with storms possible.
93 106 93 - 106
Friday, Aug 29
Clearing in the afternoon.
90 107 90 - 107
Saturday, Aug 30
Clear conditions throughout the day.
94 109 94 - 109
Sunday, Aug 31
Clear conditions throughout the day.
93 107 93 - 107
Weather forecast for Phoenix, AZ on Mon, 18 Aug 2025 03:27:31 GMT