The National Weather Service in Phoenix issued a Flash Flood Warning for Maricopa County effective until 1 a.m. MST on August 10. As of 9:56 p.m. MST on August 9, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the area, with 0.75 to 1.5 inches already fallen. Additional rainfall of 0.25 to 1 inch is possible.
Flash flooding is ongoing or expected to begin shortly, affecting small creeks and streams, urban areas, highways, streets, and underpasses. Affected communities include Avondale, Goodyear, Buckeye, Litchfield Park, Perryville, and Liberty. Impacted roadways include AZ Route 85 (mile markers 150-154), Interstate 10 (mile markers 104-113), and AZ Route 303 (mile markers 105-106). Residents should avoid flooded areas and exercise caution on affected highways.
Source: National Weather Service.
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- National Weather Service retrieved 10/08/2026 05:00
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 10/08/2026 05:00. Every claim traces to a source.
