National Weather Service United States Department of Commerce

Heat Awareness Week Website

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Last Map Update: Wed, May 6, 2026 at 2:58:32 am MST

High temperatures warm back above normal beginning Thursday 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, including Phoenix.
The month of April, 2026, was above normal, for the high, low and mean temperature, while precipitation was slightly below normal. It was also the 3rd warmest April on record for Phoenix.

 

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