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Weather / Flood Watch

Severe

Flood Watch issued August 30 at 11:32AM MST until August 31 at 5:00AM MST by NWS Phoenix AZ

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; Superior; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon; Tonto Basin; Mazatzal Mountains; Pinal/Superstition Mountains; Sonoran Desert Natl Monument; San Carlos; Dripping Springs; Globe/Miami; Southeast Gila County

Urgency: Future
Certainty: Possible
Onset: 8/31/2026, 1:00:00 AM
Expires: 8/31/2026, 2:45:00 AM

Details

Another round of showers and storms is expected this evening into the overnight. Heavy rainfall and localized flooding will be possible, particularly across Maricopa and Pinal Counties. * 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...From 6 PM MST 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 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

What To Do

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.

Other Active Flood Watch Alerts

Flood Watch issued August 30 at 11:42AM MST until August 31 at 5:00AM MST by NWS Tucson AZ
Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper San Pedro River Valley including Sierra Vista/Benson; Dragoon/Mule/Huachuca and Santa Rita Mountains including Bisbee/Canelo Hills/Madera Canyon; Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven; Baboquivari Mountains including Kitt Peak
Flood Watch issued August 30 at 11:42AM MST until August 31 at 10:00PM MST by NWS Tucson AZ
Tohono O'odham Nation including Sells
Flood Watch issued August 30 at 12:21PM MDT until August 31 at 9:00PM MDT by NWS Salt Lake City UT
Eastern Juab/Millard Counties; Central Mountains; Sanpete Valley; Sevier Valley; Castle Country; San Rafael Swell; Lower Washington County; Zion National Park; Southern Mountains; Upper Sevier River Valleys; Bryce Canyon Country; South Central Utah; Capitol Reef National Park and Vicinity; Western Canyonlands; Glen Canyon Recreation Area/Lake Powell
Flood Watch issued August 30 at 11:36AM MDT until September 1 at 12:00AM MDT by NWS Grand Junction CO
Central Yampa River Basin; Roan and Tavaputs Plateaus; Grand Valley; Debeque to Silt Corridor; Central Colorado River Basin; Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; Central Gunnison and Uncompahgre River Basin; West Elk and Sawatch Mountains; Flat Tops; Upper Gunnison River Valley; Uncompahgre Plateau/Dallas Divide; Northwestern San Juan Mountains; Southwest San Juan Mountains; Paradox Valley/Lower Dolores River; Four Corners/Upper Dolores River; Southeast Utah; Tavaputs Plateau; Arches/Grand Flat; La Sal and Abajo Mountains; Canyonlands/Natural Bridges
Flood Watch issued August 30 at 11:36AM MDT until September 1 at 12:00AM MDT by NWS Grand Junction CO
Animas River Basin; San Juan River Basin

Source: National Weather Service.