Arizona Severe Flash Flood Warning | Effective 08-29-2026 16:10

Headline: 
Flash Flood Warning issued August 29 at 4:10PM MST until August 29 at 6:45PM MST by NWS Tucson AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 29, 2026 - 4:10pm
Expires: 
August 29, 2026 - 6:45pm
Description: 
At 410 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.8 and 1.7 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. At least one swift water rescue is occurring with this dangerous storm. 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... Tucson, Davis-Monthan Air Force Base, South Tucson and Tucson International Airport. This includes the following highways... Interstate 19 between mile markers 60 and 63. Route 86 near mile marker 171. Interstate 10 between mile markers 259 and 267. This includes the following Flash Flood Prone Locations... Drexel Rd east of Alvernon Way. This includes the following streams and drainages... West Branch Santa Cruz River, Chico, Arroyo and Santa Cruz River.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 6:45 PM MST. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 6:45 PM MST. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
Pima, AZ
Forcast Office: 
NWS Tucson AZ
Sender: 
w-nws.webmaster@noaa.gov