The National Weather Service issued a Flood Advisory for Maricopa County effective August 9 at 11:15 PM MST through August 10 at 2:15 AM MST. Doppler radar indicated heavy rain from thunderstorms, with between 0.5 and 1 inch of rainfall reported. Minor flooding is ongoing or expected to begin in low-lying and poor drainage areas, with water over roadways possible.
Affected streams and drainages include Grass Wash, Pump Mine Wash, Tiger Wash, Dead Horse Wash, Browns Canyon Wash, Woodchopper Wash, and Jackrabbit Wash, primarily in rural areas of Maricopa County. The National Weather Service advises residents to avoid flooded roads and exercise caution, especially at night when flood dangers are harder to recognize. Most flood deaths occur in vehicles attempting to cross flooded roadways.
Source: National Weather Service.
Sources
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- National Weather Service retrieved 10/08/2026 06:20
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 06:20. Every claim traces to a source.
