Headline:
Flash Flood Warning issued July 18 at 2:21PM MST until July 18 at 4:45PM MST by NWS Tucson AZ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
July 18, 2026 - 2:21pm
Expires:
July 18, 2026 - 4:45pm
Description:
At 221 PM MST, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 2 inches of rain have
fallen. Nogales Wash has peaked at 9 ft. Additional rainfall amounts
of 0.25 to 0.5 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 and Rio Rico.
This includes the following highways...
Interstate 19 between mile markers 1 and 13. Route 82 between mile
markers 1 and 3.
This includes the following Flash Flood Prone Locations...
Nogales Wash at Doe St Bridge and Pendleton Dr at Sonoita Creek.
Nogales Wash has peaked at 9 ft.
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
Sender: