National Weather Service United States Department of Commerce
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Last Map Update: Sat, Aug 15, 2026 at 5:38:29 pm MST

Dry and tranquil weather along with near seasonal temperatures will prevail this weekend with the forecast area expected to remain storm-free. Areas of Major HeatRisk develop next week as temperatures heat up. In addition, storm chances through the majority of next week will be limited to the AZ high terrain and southeast AZ, with the lower deserts expected to remain dry.
Early next week, the subtropical high pressure will migrate from the Southeast U.S. back to the Desert Southwest and will build over the region. This will result in well above average highs with little overnight relief. An Extreme Heat Warning is now in effect for the lower deserts of AZ and southeast CA from Monday through Friday.
Temperatures gradually heat up through the weekend and into the start of next week. Areas of Major HeatRisk return by Monday and forecast to last through the entire work week.

 

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