Highlights
- NWS Phoenix issued a Flood Advisory for Maricopa County effective 3:07 p.m. MST Saturday, expiring at 5 p.m.
- Doppler radar showed up to 0.5 inches of rain had fallen by 3:05 p.m., with an additional 0.5 inches expected.
- State Route 238, Estrella, Sonoran National Monument, and Mobile are among locations expected to experience flooding.
- NWS urges drivers not to attempt flooded roads, noting most flood deaths occur in vehicles.
FLOOD ADVISORY: The National Weather Service in Phoenix issued a Flood Advisory for Maricopa County Saturday, effective at 3:07 p.m. MST and running until 5 p.m. MST, citing excessive rainfall from active thunderstorms.
As of 3:05 p.m. MST, Doppler radar confirmed heavy rain across the advisory area, with up to 0.5 inches already fallen. The NWS expects an additional 0.5 inches, which it says will produce minor flooding, particularly along State Route 238. Affected locations include Estrella, Sonoran National Monument, and Mobile.
The advisory classifies impacts as minor, with flooding expected in low-lying and poor drainage areas. The NWS warns drivers to turn around when encountering flooded roads, noting that most flood deaths occur in vehicles.
The Maricopa County Flood Control District maintains a live flooded roadway map for drivers monitoring conditions in real time. Full NWS flood safety guidance is available at weather.gov/safety/flood.
The advisory expires at 5 p.m. MST Saturday; NWS Phoenix will issue updates if conditions change before then.
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 22:09
- Maricopa County 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.
