Arizona Severe Flash Flood Warning | Effective 07/17/2026 14:47

Headline: 
Flash Flood Warning issued July 17 at 2:47PM MST until July 17 at 4:15PM MST by NWS Tucson AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 17, 2026 - 2:47pm
Expires: 
July 17, 2026 - 4:15pm
Description: 
At 247 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen between Green Valley and Corona De Tucson Flooding impacts will continue, but limited additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Sahuarita, Green Valley, Corona De Tucson and East Sahuarita. This includes Interstate 19 between mile markers 33 and 47. This includes the following Flash Flood Prone Locations... Sahuarita Rd west of Wilmot Rd. This includes the following streams and drainages... Box Canyon Wash, Santa Cruz River and Demetrie Wash.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Pima, AZ
Forcast Office: 
NWS Tucson AZ