The National Weather Service issued a Flood Advisory for Maricopa County effective Saturday, August 30 at 10:38 PM MST through Sunday, August 31 at 1:45 AM MST. Heavy rain from thunderstorms has already dropped 0.75 to 1.25 inches across the area, with an additional 0.25 inches expected. Minor flooding is ongoing or expected to begin shortly in low-lying and poorly drained areas.
Affected locations include Phoenix, Scottsdale, New River, Cave Creek, Carefree, and Anthem. Impacted waterways include Grapevine Wash, Cottonwood Creek, Apache Wash, the Agua Fria River, and Cave Creek, among others. The National Weather Service advises residents to avoid flooded roads; most flood deaths occur in vehicles attempting to cross water.
Source: National Weather Service.
Sources
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- National Weather Service retrieved 31/08/2026 05:41
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 31/08/2026 05:41. Every claim traces to a source.
