The National Weather Service issued a flash flood warning for Maricopa and Pinal counties at 12:32 a.m. on August 24, effective until 2:15 a.m. Emergency management reported thunderstorms producing heavy rain across the area, with between 0.75 and 1.25 inches of rain already fallen. Flash flooding is occurring on roadways, including Arizona Route 238 between mile markers 20 and 35, and near mile marker 32 where the Arizona Department of Transportation reported flooding.
Life-threatening flash flooding is expected to continue affecting creeks, streams, urban areas, highways, streets, and underpasses, including the Mobile area and Waterman Wash drainages. Residents should avoid flooded roads; most flood deaths occur in vehicles attempting to cross high water. Report observed flooding to local emergency services or law enforcement for relay to the National Weather Service.
Source: National Weather Service.
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- National Weather Service retrieved 24/08/2026 07:34
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 24/08/2026 07:34. Every claim traces to a source.