Highlights
- NWS Phoenix issued a Flood Advisory for Maricopa County at 4:34 p.m. Saturday, expiring at 7:30 p.m.
- Doppler radar showed 0.5 to 1 inch of rain had already fallen, with up to 0.5 inches more expected.
- Gila Bend, Gila Bend Auxiliary Field, Bosque, and Sonoran National Monument are among affected locations.
- NWS warns drivers not to enter flooded roads, noting most flood deaths occur in vehicles.
FLOOD ADVISORY: The National Weather Service in Phoenix issued a Flood Advisory for Maricopa County at 4:34 p.m. MST Saturday, September 12, effective until 7:30 p.m. MST, citing heavy rainfall from thunderstorms producing minor flooding in low-lying and poor drainage areas.
According to the NWS alert, Doppler radar at 4:34 p.m. confirmed between 0.5 and 1 inch of rain had already fallen across the advisory area, with an additional 0.5 inches expected. The agency rated the event minor in severity.
Locations expected to experience flooding include Gila Bend, Gila Bend Auxiliary Field, Bosque, and Sonoran National Monument. The NWS warns that water is over roadways in affected areas and urges drivers to turn around rather than attempt to cross flooded roads, noting that most flood deaths occur in vehicles.
The advisory expires at 7:30 p.m. MST Saturday.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- api.weather.gov retrieved 12/09/2026 23:39
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 23:39. Every claim traces to a source.
