The National Weather Service issued a Special Weather Statement at 8:36 p.m. MST on July 20 for an outflow boundary with trailing showers and thunderstorms moving southwest at 40 mph. The system extended from Metro Center to South Mountain Park to San Tan Valley, with wind gusts expected to reach 50 mph. The alert affects Northwest Valley, Tonopah Desert, Buckeye/Avondale, Central Phoenix, North Phoenix/Glendale, East Valley, South Mountain/Ahwatukee, Southeast Valley/Queen Creek, Northwest Pinal County, West Pinal County, and Sonoran Desert National Monument.
Gusty winds could knock down tree limbs and blow around unsecured objects. The statement expires at 9:30 p.m. MST. Affected areas include Phoenix, Chandler, Glendale, Tempe, Surprise, Avondale, Goodyear, Buckeye, Casa Grande, and Queen Creek, along with portions of Interstate 10, Interstate 17, and Interstate 8. The NWS recommends seeking shelter indoors if outdoors during the event.
Source: National Weather Service.
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- National Weather Service retrieved 21/07/2026 03:39
Authored by The Scottsdale Signal. Drafted by AI from primary-source material under our beat-specific editorial guides; reviewed by humans before publish under our five-gate process. Sources retrieved at 21/07/2026 03:39. Every claim traces to a source.
