National Weather Service United States Department of Commerce
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Last Map Update: Fri, Aug 14, 2026 at 10:38:52 am MST

Shower and thunderstorm chances will linger into this afternoon and evening, with the best chances over the AZ high terrain and areas along the Lower Colorado River Valley. Main concerns will be gusty outflow winds and blowing dust/sand, with the latter impact focused over the western deserts.
After a brief reprieve from the heat, temperatures will gradually warm through the weekend and into the start of next week. Moderate to Major HeatRisk returns by Monday.
Early next week, the subtropical high pressure will migrate from the Southeast US back to the Desert Southwest and build over the region. This will result in hotter temperatures with little overnight relief. An Extreme Heat Watch has been issued for the Maricopa County, to include the Phoenix Metro, and Pinal County. The Watch will be in effect Monday through Wednesday next week.

 

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