The National Weather Service issued a Flood Warning for Maricopa County effective at 7:35 PM MST on September 16, expiring at 9:00 PM MST. Between 2 and 4 inches of rain fell earlier due to thunderstorms, leaving several washes above alarm stage. Flooding is ongoing or expected to begin shortly in the warned area.
Affected locations include Phoenix, Glendale, Scottsdale, Peoria, Deer Valley Airport, and Desert Ridge Marketplace. Impacted waterways include Apache Wash, New River, Cave Creek, Skunk Creek, Agua Fria River, North Canyon Creek, Beardsley Canal, and Deadman Wash. Residents should avoid flooded roads; most flood deaths occur in vehicles attempting to cross high water.
Source: National Weather Service.
Sources
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- National Weather Service retrieved 17/09/2026 02:38
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 17/09/2026 02:38. Every claim traces to a source.
