Highlights
- NWS Phoenix issued a Flood Warning for Maricopa County effective 2:33 a.m. Thursday, expiring at 5 a.m.
- Doppler radar and rain gauges confirmed heavy thunderstorm runoff at 2:32 a.m., with flooding imminent or already underway.
- Deadman Wash and Skunk Creek are specifically named; impacts are concentrated in rural areas of the county.
- Motorists are urged to avoid flooded roads — NWS notes most flood deaths occur in vehicles.
FLOOD WARNING: The National Weather Service in Phoenix issued a Flood Warning for Maricopa County at 2:33 a.m. Thursday, July 17, valid until 5 a.m. MST, citing urban areas and small-stream flooding caused by excessive rainfall.
At 2:32 a.m., Doppler radar and automated rain gauges confirmed runoff from thunderstorms across the warned area, with flooding described as ongoing or expected to begin shortly. Affected drainages include Deadman Wash and Skunk Creek. Impacts are concentrated in mainly rural areas of Maricopa County, though rivers, creeks, streams, and other low-lying and flood-prone locations countywide are at risk.
NWS advises motorists to turn around when encountering flooded roads, noting that most flood deaths occur in vehicles. Additional flood safety guidance is available at weather.gov/safety/flood.
The warning expires at 5 a.m. MST; residents in low-lying areas should monitor NWS Phoenix for any extensions or additional alerts as storms continue to move through the Valley.
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 17/07/2026 09:34
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 09:34. Every claim traces to a source.
