Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued August 30 at 8:47PM MST until August 30
Affecting Pima, AZ
In effect until: Aug 31, 2026, 5:15 AM
Pima, AZ
Likely impact in Pima, AZ; effects through 5:15 AM.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Read the original bulletin (official text)
At 847 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 to 0.7 inches are possible in the warned area. 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, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... San Simon, Vaya Chin and San Simon West. This includes Route 86 between mile markers 70 and 89. This includes the following streams and drainages... Santa Rosa Wash, Quijotoa Wash, Hickiwan Wash, San Simon Wash, Anegam Wash and Gu Achi Wash.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™