NWS Phoenix

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Last Map Update: Mon, Jul 6, 2026 at 12:52:38 pm MST

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National Weather Service NWS Flagstaff, AZ

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Extreme Heat Warning

Heat Advisory

Extreme Heat Watch

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Extreme Heat Warning Middle of this Week

Heating Up This Week

Temperatures will warm well above normal during the middle part of this leading to areas of Major HeatRisk across the lower deserts and portions of the higher terrain east of Phoenix. An Extreme Heat Warning has been issued for Tuesday July 7 - Thursday July 9, as high temperatures will reach up to 112-116°F with morning lows in the 80s to 90°F in Phoenix.

High pressure will build over the region this week allowing temperatures to heat back up above normal leading to widespread Moderate HeatRisk with areas of Major HeatRisk during the middle of the week when temperatures peak. Practice smart heat safety by drinking plenty of water and electrolytes and reducing your time outside during the afternoons.