National Weather Service United States Department of Commerce

Heat Awareness Week Website

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Last Map Update: Thu, May 7, 2026 at 4:14:18 pm MST

Temperatures will warm into the triple digits throughout the weekend peaking on Sunday and Monday. This lead to an Extreme Heat Watch to be issued for the southwestern portion of Imperial County, as afternoon highs will be between 103-110°F.
Temperatures will be climbing into the triple digits by this weekend bringing wide spread Moderate HeatRisk. By Monday, localized areas of Major HeatRisk will be seen in the Phoenix Metro.
High temperature are back to above normal and are expected to climb into the triple digits by this weekend. This will lead to HeatRisk rising from Minor to widespread Moderate by this weekend and then reaching Major in some lower desert areas Monday, including Phoenix.

 

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