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NWS Tucson Arizona

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NWS Forecast Office Tucson, AZ

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Last Map Update: Wed, Aug 26, 2026 at 3:42:38 am MST

Extreme Heat Warning
Dangerous Heat
Extreme Heat Warning is in effect through this evening for a Major to Extreme HeatRisk across the lower elevations of Southeast Arizona. Temperatures are expected to be 6 to 9 degrees above normal.
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Widespread Major HeatRisk this week for southeast Arizona. Hot daytime temperatures with little to no relief at night.
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