The National Weather Service issued a Flood Advisory for Maricopa County effective September 16 at 9:25 PM MST through September 17 at 12:30 AM MST. Heavy rain from thunderstorms has already dropped between 0.5 and 1.5 inches of rain across the area, with minor flooding ongoing or expected to begin shortly in low-lying and poorly drained locations.
Additional rainfall of 0.25 to 0.75 inches is forecast over the advisory area, which will result in minor flooding. Scottsdale, Fountain Hills, and McDowell Mountain Park are among the locations expected to experience flooding. Residents should avoid driving on flooded roads; most flood deaths occur in vehicles. Exercise extra caution at night when flood dangers are harder to recognize.
Source: National Weather Service.
Sources
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- National Weather Service retrieved 17/09/2026 04:28
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 17/09/2026 04:28. Every claim traces to a source.
