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NWS Tucson Arizona

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NWS Forecast Office Tucson, AZ

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Last Map Update: Mon, Jun 22, 2026 at 3:34:20 am MST

Extreme Heat Watch (Tues & Wed)
Heat Illness Signs
The hottest temperatures of 2026 so far is on tap for this week. Major Heat Risk for the following areas: eastern Pinal county, eastern Pima county including Tucson metro, Gila River Valley and the upper San Pedro Valley (mainly north of Benson).
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Learn the signs of heat exhaustion and heat stroke as well as how to act when you see them.
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