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Flood Watch

Status

Event Continued Active alert

Start Time

Sun 08/30/2026 09:00 PM EDT

End Time

Mon 08/31/2026 08:00 AM EDT

Significance

Watch

Impacts

Moderate impact

Headline

.The first round of rainfall is wrapping up with only isolated showers or weak storms possible for the rest of tonight through Sunday morning. Another round of showers and storms are expected for Sunday evening. Heavy rainfall and localized flooding will be possible Sunday evening into early Sunday night, particularly across Maricopa and Pinal Counties.

Full Alert Message

Flood Watch National Weather Service Phoenix AZ 106 AM MST Sun Aug 30 2026 .The first round of rainfall is wrapping up with only isolated showers or weak storms possible for the rest of tonight through Sunday morning. Another round of showers and storms are expected for Sunday evening. Heavy rainfall and localized flooding will be possible Sunday evening into early Sunday night, particularly across Maricopa and Pinal Counties. ...FLOOD WATCH IS CANCELLED... The Flood Watch is cancelled for a portion of south central Arizona, including the following areas, Aguila Valley, Buckeye/Avondale, Cave Creek/New River, Central Phoenix, Deer Valley, East Valley, Fountain Hills/East Mesa, Mazatzal Mountains, New River Mesa, North Phoenix/Glendale, Northwest Valley, Rio Verde/Salt River, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, Southeast Valley/Queen Creek, Tonopah Desert and Tonto Basin. Flooding is no longer expected to pose a threat tonight, but another round of storms with heavy rainfall is expected Sunday evening. Please continue to heed remaining road closures. && ...FLOOD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Arizona, including the following areas, Aguila Valley, Buckeye/Avondale, Cave Creek/New River, Central Phoenix, Deer Valley, East Valley, Fountain Hills/East Mesa, Mazatzal Mountains, New River Mesa, North Phoenix/Glendale, Northwest Valley, Rio Verde/Salt River, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, Southeast Valley/Queen Creek, Tonopah Desert and Tonto Basin. * WHEN...From this evening through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Ample moisture and atmospheric instability will again combine with a weather system positioned over western portions of the region to promote scattered thunderstorms capable of producing heavy rainfall from Sunday evening into Sunday night. Training of storms could result in localized rainfall amounts of over two inches within the watch area. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Technical Header

AZZ534-537-538-540>551-556-557-302100- /O.CAN.KPSR.FA.A.0004.000000T0000Z-260830T1200Z/ /O.CON.KPSR.FA.A.0005.260831T0100Z-260831T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Aguila Valley-Northwest Valley-Tonopah Desert-Buckeye/Avondale- Cave Creek/New River-Deer Valley-Central Phoenix-North Phoenix/Glendale-New River Mesa-Scottsdale/Paradise Valley-Rio Verde/Salt River-East Valley-Fountain Hills/East Mesa-South Mountain/Ahwatukee-Southeast Valley/Queen Creek-Tonto Basin- Mazatzal Mountains- Including the cities of Tortilla Flat, Sunflower, Peoria, Circle City, Aguila, Sun Lakes, Liberty, Wintersburg, Surprise, Sun City West, Punkin Center, Tempe, Scottsdale, Paradise Valley, Gilbert, Wittmann, Fountain Hills, Chandler, Goodyear, Queen Creek, Wickenburg, Hassayampa, Phoenix, Gladden, Cashion, Arlington, Mesa, Beardsley, Tonopah, and Avondale 106 AM MST Sun Aug 30 2026