The National Weather Service issued a flash flood warning for Maricopa County at 12:05 a.m. on August 13, effective until 1:15 a.m. Doppler radar and automated rain gauges detected thunderstorms producing heavy rain across the area, with 0.5 to 1.5 inches of rain already fallen. Flash flooding is ongoing or expected to begin shortly.
Life-threatening flooding impacts creeks, streams, urban areas, highways, streets, and underpasses. Delaney Wash and downstream locations including Salome Highway and 411th Avenue low water crossings are particularly at risk. Gages along Delaney Wash have reached alarm stage. Residents should avoid flooded roads; most flood deaths occur in vehicles. Report observed flooding to local emergency services.
Source: National Weather Service.
Sources
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- National Weather Service retrieved 13/08/2026 07:10
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 13/08/2026 07:10. Every claim traces to a source.
