National Weather Service United States Department of Commerce
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Last Map Update: Tue, Jul 7, 2026 at 3:22:43 pm MST

Temperatures will warm well above normal during the middle part of this leading to areas of Major HeatRisk across the lower deserts and portions of the higher terrain east of Phoenix. An Extreme Heat Warning is in effect from today through Thursday, July 9, as high temperatures will reach up to 112-116°F with morning lows in the 80s to 90°F in Phoenix.
Isolated to widely scattered storms will develop across the eastern third of AZ this afternoon, with some of the activity possibly affecting southern Gila County. Gusty winds and dry lightning will be the main hazards with any storms.
High pressure will continue to build over the region through mid-week allowing temperatures to climb above normal leading to widespread Moderate HeatRisk with areas of Major HeatRisk. Practice smart heat safety by drinking plenty of water and electrolytes and reducing your time outside during the afternoons.

 

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