Arizona Severe Flash Flood Warning | Effective 08/09/2026 23:38

Headline: 
Flash Flood Warning issued August 9 at 11:38PM MST until August 10 at 1:15AM MST by NWS Tucson AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 9, 2026 - 11:38pm
Expires: 
August 10, 2026 - 1:15am
Description: 
FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... Central Santa Cruz County in southeastern Arizona... * Until 115 AM MST. * At 1138 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain in and around Rio Rico. Between 0.5 and 2.3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. 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... Rio Rico. This includes Interstate 19 between mile markers 10 and 17. This includes the following Flash Flood Prone Locations... Pendleton Dr at Sonoita Creek.
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. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Santa Cruz, AZ
Forcast Office: 
NWS Tucson AZ
Sender: 
w-nws.webmaster@noaa.gov