The National Weather Service in Phoenix issued a Flash Flood Warning for Maricopa County effective August 9 at 10:53 PM MST through August 10 at 2 AM 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. Flash flooding is ongoing or expected to begin shortly.
Life-threatening flooding of creeks, streams, urban areas, highways, streets and underpasses is anticipated. The warning affects mainly rural areas of Maricopa County, including US Highway 60 between mile markers 96–99 and 100–103, as well as multiple washes and the Hassayampa River. Residents should avoid flooded roads and seek higher ground immediately.
Source: National Weather Service.
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- National Weather Service retrieved 10/08/2026 05:55
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 05:55. Every claim traces to a source.
