Highlights
- The National Weather Service issued a Flood Warning for Maricopa County effective 7:35 p.m. MST Thursday, expiring at 9 p.m.
- Between 2 and 4 inches of rain have fallen; Apache Wash, Cave Creek, Agua Fria River, and five other drainages are above alarm stage.
- Scottsdale, Phoenix, Glendale, Peoria, Deer Valley Airport, and Desert Ridge Marketplace are among locations facing active flooding.
- NWS advises drivers not to attempt flooded roads, noting most flood deaths occur in vehicles.
FLOOD WARNING: The National Weather Service in Phoenix issued a Flood Warning for Maricopa County at 7:35 p.m. MST Thursday, September 16, valid until 9 p.m. MST. Gauge reports as of 7:35 p.m. showed several washes still above alarm stage following heavy thunderstorm rainfall earlier in the evening.
Between 2 and 4 inches of rain have fallen across the warned area. The following streams and drainages are affected: Apache Wash, New River, Cave Creek, Skunk Creek, Agua Fria River, North Canyon Creek, Beardsley Canal, and Deadman Wash.
Locations expected to experience flooding include Phoenix, Glendale, Scottsdale, Peoria, Deer Valley Airport, and Desert Ridge Marketplace. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is described as imminent or ongoing.
NWS urges anyone encountering a flooded road to turn around. The agency notes that most flood deaths occur in vehicles. Additional flood safety guidance is available at weather.gov/safety/flood.
The warning expires at 9 p.m. MST Thursday; monitor NWS Phoenix for updates or extensions.
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 17/09/2026 02:38
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 17/09/2026 02:38. Every claim traces to a source.
