The National Weather Service in Phoenix issued a Flash Flood Warning for Maricopa County effective August 30 at 9:16 PM MST through August 31 at 1:15 AM MST. Doppler radar indicated thunderstorms producing heavy rain across the area, with 1.25 to 1.75 inches already fallen. Additional rainfall up to 1 inch is possible, and flash flooding is ongoing or expected to begin shortly.
Life-threatening flash flooding is expected to affect creeks, streams, urban areas, highways, streets, and underpasses, particularly in rural areas of Maricopa County. Affected waterways include Powerline Wash, Beer Bottle Wash, Winters Wash, Daggs Wash, Jackrabbit Wash, Hassayampa River, Red Cloud Wash, Star Wash, Mill Wash, Fourmile Wash, Jimmie Wash, and Coyote Wash. Residents are urged to avoid flooded roads; most flood deaths occur in vehicles.
Source: National Weather Service.
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- National Weather Service retrieved 31/08/2026 04:16
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 31/08/2026 04:16. Every claim traces to a source.
