Arizona Severe Flash Flood Warning | Effective 08-29-2026 18:54

Headline: 
Flash Flood Warning issued August 29 at 6:54PM MST until August 29 at 9:45PM MST by NWS Tucson AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 29, 2026 - 6:54pm
Expires: 
August 29, 2026 - 9:45pm
Description: 
FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... South Central Pima County in southeastern Arizona... * Until 945 PM MST. * At 654 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 up to 1 inch 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... Vamori, Cowlic, Choulic and Coldfields. This includes the following Flash Flood Prone Locations... Indian Route 20 at Cowlic. Significant rain has occurred on the western slopes of the Boboquivari Mountains into the lower deserts from Topawa to the International Border. Expect significant and rapid rises on washes including the Vamori Wash. This will take some time for the flood wave to move down the wash, which will likely occur after midnight.
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.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 9:45 PM MST. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 9:45 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