The National Weather Service in Phoenix issued a Flash Flood Warning for Maricopa County effective at 12:30 a.m. MST on July 17, expiring at 2:30 a.m. Doppler radar detected thunderstorms producing heavy rain across the area, with 0.5 to 1 inch already fallen. Expected rainfall rates reach 1 to 2 inches per hour, with additional accumulation of 0.5 to 1 inch possible.
Flash flooding is ongoing or expected to begin shortly in small creeks, streams, urban areas, highways, streets, underpasses, and low-lying drainage areas. New River and Cave Creek are among locations expected to experience flooding. The National Weather Service advises residents to turn around and avoid flooded roads, noting that most flood deaths occur in vehicles attempting to cross flooded areas.
Source: National Weather Service.
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- National Weather Service retrieved 17/07/2026 07:34
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 17/07/2026 07:34. Every claim traces to a source.
