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Excessive Heat Warning for La Paz, Maricopa, Pinal and Yuma Counties: 7/22 at 12am - 7/24 at 12am. Excessive Heat Warning for Coconino and Yavapai Counties: 7/22 at 11am - 7/23 at 7pm.
Learn more about how to stay safe in extreme heat and stay informed about future heat alerts.