Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 29 at 11:29AM MST until September 29
Affecting Pima, AZ
In effect until: Sep 29, 2026, 10:15 PM
Pima, AZ
Likely impact in Pima, AZ; effects through 10:15 PM.
Get to higher ground now. Never drive through flooded roads.
Read the original bulletin (official text)
At 1129 AM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Flowing Wells, Mount Lemmon/Summerhaven, Sabino Canyon Recreation Area, Catalina Foothills and Seven Falls. This includes the following highways... Route 77 near mile marker 72. Interstate 10 between mile markers 250 and 252. This includes the following Flash Flood Prone Locations... Camino De La Tierra at the Rillito River and Snyder Rd from Kolb Rd to Sabino Canyon Rd.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™