Arizona Severe Flash Flood Warning | Effective 07/20/2026 16:33

Headline: 
Flash Flood Warning issued July 20 at 4:33PM MST until July 20 at 7:30PM MST by NWS Tucson AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 20, 2026 - 4:33pm
Expires: 
July 20, 2026 - 7:30pm
Description: 
FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... Southwestern Cochise County in southeastern Arizona... * Until 730 PM MST. * At 433 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts of 0.5 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 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... Sierra Vista, Hereford, Palominas, Coronado National Memorial and Ramsey Canyon Preserve. This includes the following highways... Route 90 between mile markers 326 and 336. Route 80 between mile markers 331 and 339. Route 92 between mile markers 324 and 343. This includes the following Flash Flood Prone Locations... Moson Rd from HWY 90 and Hereford Rd. This includes the following streams and drainages... Spring Creek and San Pedro River.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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.
Area Description: 
Cochise, AZ
Forcast Office: 
NWS Tucson AZ