Arizona Severe Flash Flood Warning | Effective 07/21/2026 15:32

Headline: 
Flash Flood Warning issued July 21 at 3:32PM MST until July 21 at 6:30PM MST by NWS Tucson AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 3:32pm
Expires: 
July 21, 2026 - 6:30pm
Description: 
FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... South Central Santa Cruz County in southeastern Arizona... * Until 630 PM MST. * At 332 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...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... Nogales, Rio Rico, Nogales International Airport, Patagonia Lake State Park and Kino Springs. This includes the following highways... Interstate 19 between mile markers 8 and 9. Route 82 between mile markers 1 and 16. This includes the following Flash Flood Prone Locations... Nogales Wash at Doe St Bridge and Pendleton Dr at Sonoita Creek.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Area Description: 
Santa Cruz, AZ
Forcast Office: 
NWS Tucson AZ