The National Weather Service issued a Flood Warning for Maricopa County on September 16 at 5:04 PM MST, effective until 8:00 PM MST. Flooding caused by excessive rainfall is expected, with between 2 and 4 inches of rain having fallen. Several washes remain above alarm stage from earlier thunderstorms, and flooding is ongoing or expected to begin shortly in the warned area.

Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Affected areas include Phoenix, Glendale, Scottsdale, Peoria, Deer Valley Airport, and Desert Ridge Marketplace. Impacted waterways include Cave Creek, Beardsley Canal, Agua Fria River, Deadman Wash, Skunk Creek, New River, North Canyon Creek, and Apache Wash. Residents are advised to turn around and avoid flooded roads; most flood deaths occur in vehicles.

Source: National Weather Service.

Sources

Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.

  1. National Weather Service retrieved 17/09/2026 00:08

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 00:08. Every claim traces to a source.