* WHAT…Flooding caused by excessive rainfall continues to be 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, Dripping Springs, East Valley, Fountain Hills/East Mesa, Globe/Miami, Mazatzal Mountains, New River Mesa, North Phoenix/Glendale, Northwest Pinal County, Northwest Valley, Pinal/Superstition Mountains, Rio Verde/Salt River, San Carlos, Scottsdale/Paradise Valley, Sonoran Desert Natl Monument, South Mountain/Ahwatukee, Southeast Gila County, Southeast Valley/Queen Creek, Superior, Tonopah Desert, Tonto Basin and West Pinal County. * WHEN…Until 5 AM MST Monday. * 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 this evening into the overnight. Training of storms could result in localized rainfall amounts of over two inches within the watch area. – http://www.weather.gov/safety/flood