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weather NWS severe Aguila Valley; Northwest Valley; Tonopah Desert; Buckeye/Avondale; Cave Creek/New River; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; Fountain Hills/East Mesa; South Mountain/Ahwatukee; Southeast Valley/Queen Creek; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon October 20, 2026 at 7:04 AM

Flood Watch

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...A portion of south central Arizona, including the following areas, Aguila Valley, Apache Junction/Gold Canyon, Buckeye/Avondale, Cave Creek/New River, Central Phoenix, Deer Valley, East Valley, Fountain Hills/East Mesa, North Phoenix/Glendale, Northwest Pinal County, Northwest Valley, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, Southeast Valley/Queen Creek, Tonopah Desert and West Pinal County.

* WHEN...From Wednesday evening through Thursday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS... - A strong weather system affecting the region will bring widespread showers and thunderstorms, particularly from Wednesday evening through Thursday afternoon. Moderate to heavy rainfall with localized rainfall rates upwards of 1 to 2 inches per hour will be possible at times. - http://www.weather.gov/safety/flood

Flooding in Aguila Valley; Northwest Valley; Tonopah Desert; Buckeye/Avondale; Cave Creek/New River; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; Fountain Hills/East Mesa; South Mountain/Ahwatukee; Southeast Valley/Queen Creek; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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