The National Weather Service issued a Flood Warning for Maricopa County effective at 8:36 PM MST on September 16, expiring at 11 PM MST the same day. Between 2 and 4 inches of rain fell earlier due to thunderstorms, with gauge reports showing several washes still above alarm stage. Additional rainfall up to 0.5 inches is possible in the warned area.
Flooding of rivers, creeks, streams, and other low-lying locations is imminent or occurring. Affected areas 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. The National Weather Service urges residents to avoid flooded roads; most flood deaths occur in vehicles.
Source: National Weather Service.
Sources
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- National Weather Service retrieved 17/09/2026 03:38
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 03:38. Every claim traces to a source.
