Arizona Severe Flash Flood Warning | Effective 08-29-2026 18:04

Headline: 
Flash Flood Warning issued August 29 at 6:04PM MST until August 29 at 8:45PM MST by NWS Tucson AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 29, 2026 - 6:04pm
Expires: 
August 29, 2026 - 8:45pm
Description: 
At 604 PM MST, Doppler radar indicated intense thunderstorms producing very heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 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 indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Topawa, San Miguel, South Komelik, Choulic, Newfield, Coldfields, Fresnal Canyon and Hashan Chuchg. This includes Route 286 between mile markers 28 and 30. This includes the following Flash Flood Prone Locations... Indian Route 19 south of Topawa. Significant rainfall is occurring in Fresnal Canyon and the western slopes of the Boboquivari Mountains, which will flow toward Topawa and Route 19 or San Miguel Road. Expect rapid rises and significant flows in these areas.
Instruction: 
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. 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 8:45 PM MST. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 8:45 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