Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 2 at 3:46PM MST until September 2
Affecting Pima, AZ
In effect until: Sep 3, 2026, 12:00 AM
Pima, AZ
Likely impact in Pima, AZ; effects through 12:00 AM.
In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Read the original bulletin (official text)
At 346 PM MST, Doppler radar indicated thunderstorms produced heavy rain along and near Arivaca Road north of Arivaca in Pima County. Between 1 and 1.5 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, streets as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Flood prone areas along Arivaca Road from Arivaca to the Pima and Santa Cruz county border. This includes the following streams and drainages... Guijas Wash, Las, Cedar Creek, Saucito Wash, Sopori Wash, Bolas Blancas Wash, Seco, Arroyo and Papalote Wash.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™