The National Weather Service issued a Flood Warning for Maricopa County effective September 16 at 10:26 PM MST, expiring September 17 at 1:00 AM MST. Flooding caused by excessive rainfall is imminent or already occurring in the warned area. Between 2 and 4 inches of rain have fallen, with additional rainfall up to 0.75 inches possible. Several washes remain above alarm stage from earlier thunderstorms.
Flooding is expected to affect rivers, creeks, streams, and other low-lying and flood-prone locations including Apache Wash, New River, Cave Creek, Skunk Creek, Agua Fria River, North Canyon Creek, Beardsley Canal, and Deadman Wash. Affected areas include Phoenix, Glendale, Scottsdale, Peoria, Deer Valley Airport, and Desert Ridge Marketplace. It will take several hours for water to work through local drainage systems. Residents should avoid flooded roads; most flood deaths occur in vehicles.
Source: National Weather Service.
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- National Weather Service retrieved 17/09/2026 05:28
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 05:28. Every claim traces to a source.
