The National Weather Service in Phoenix issued a Flash Flood Warning for Maricopa County on September 16 at 1:13 PM MST. Doppler radar indicated thunderstorms with heavy rainfall moving into the area, with 1 to 2 inches of rain already fallen. Additional rainfall of 1 to 2 inches is expected within the next hour, and flash flooding is ongoing or expected to begin shortly.
The warning remains in effect until 3:45 PM MST. Flash flooding may affect small creeks and streams, urban areas, highways, streets, underpasses, and low-lying areas with poor drainage. Locations including Mesa and Falcon Field Airport may experience flooding. The National Weather Service advises turning around and not driving through flooded roads, as most flood deaths occur in vehicles.
Source: National Weather Service.
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- National Weather Service retrieved 16/09/2026 20:18
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 16/09/2026 20:18. Every claim traces to a source.
