The National Weather Service in Phoenix issued a flash flood warning for Maricopa County effective August 12 at 10:11 p.m. MST and expiring August 13 at 1:15 a.m. MST. Doppler radar and automated rain gauges detected thunderstorms producing heavy rain across the area, with between 0.5 and 1.5 inches of rain already fallen. Additional rainfall up to 0.75 inches is possible.
Flash flooding is ongoing or expected to begin shortly, particularly in rural areas and at low water crossings along Delaney Wash, Salome Highway, and 411th Avenue. Life-threatening flooding of creeks, streams, urban areas, highways, and underpasses is anticipated. Residents should avoid flooded roads; most flood deaths occur in vehicles attempting to cross high water.
Source: National Weather Service.
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- National Weather Service retrieved 13/08/2026 05:15
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 05:15. Every claim traces to a source.
