The National Weather Service issued a Flood Advisory for Maricopa County in south central Arizona on September 12, effective until 5:00 PM MST. Heavy rain from thunderstorms has already dropped up to 0.5 inches, with an additional 0.5 inches expected. Minor flooding is ongoing or expected to begin shortly in low-lying and poorly drained areas, particularly along State Route 238.

Flooding may affect Estrella, Sonoran National Monument, and Mobile. The NWS advises residents to avoid flooded roads; most flood deaths occur in vehicles attempting to cross water. For additional flood safety information, visit weather.gov/safety/flood.

Source: National Weather Service.

Sources

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  1. National Weather Service retrieved 12/09/2026 22:09

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 12/09/2026 22:09. Every claim traces to a source.