National Weather Service United States Department of Commerce
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Last Map Update: Mon, Jun 22, 2026 at 7:20:18 am MST

Temperatures will gradually warm through the majority of the workweek, peaking at 6-10° above normal on Thursday. This will result in widespread Moderate HeatRisk with areas of Major HeatRisk on Thursday across the lower deserts. Additionally, Extreme Heat Watches are in effect across portions of the area Tuesday-Thursday. Dry conditions continue through Tuesday with increasing moisture leading to isolated/scattered thunderstorm activity across the AZ higher terrain for the middle to latter half of the week.
Temperatures will gradually increase this week and peak around 6-10° above normal on Thursday. With these increasing temperatures HeatRisk will also be increasing through the week. Widespread Moderate HeatRisk will continue through the week with areas of Major HeatRisk developing for the latter half of the workweek. As a result, Extreme Heat Watches have been issued for multiple locations across the area Tuesday-Thursday.
Temperatures will gradually increase this week, peaking on Thursday at 6-10° above normal. This will result in widespread Moderate HeatRisk with areas of Major HeatRisk developing for the end of the workweek. Never underestimate the heat, and make plans accordingly. Remember to drink plenty of water and take breaks in air conditioning.

 

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