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Severe · Flash Flood WarningThis alert has expired. It is kept for reference.

Flash Flood Warning issued November 1 at 2:13PM MST until November 1

Affecting Pima, AZ; Santa Cruz, AZ

In effect until: Nov 1, 2026, 11:30 PM

Pima, AZ; Santa Cruz, AZ

Likely impact across 2 counties in AZ; effects through 11:30 PM.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

Read the original bulletin (official text)
FFWTWC

The National Weather Service in Tucson has extended the

* Flash Flood Warning for...
South Central Pima County in southeastern Arizona...
Santa Cruz County in southeastern Arizona...

* Until 430 PM MST.

* At 213 PM MST, Between 1 and 2 inches of rain have fallen over the
last 3 hours. Additional rainfall amounts up to 1 inch are possible
in the warned area. Runoff from the rainfall is expected to
continue and area washes are still running, so the Flash Flood
Warning has been extended.

HAZARD...Flash flooding caused by heavy rain.

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...
Nogales, Tubac, Rio Rico, Patagonia, Arivaca, Patagonia Lake State
Park, Nogales International Airport, Tumacacori, Kino Springs,
Sasabe, Pena Blanca Lake, Ruby, Arivaca Lake and Lochiel.

This includes the following Flash Flood Prone Locations...
Nogales Wash at Doe St Bridge and Pendleton Dr at Sonoita Creek.

This includes the following streams and drainages...
Sopori Wash, Sonoita Creek, Alamito Wash, Potrero Creek, Tonto
Canyon, Cedar Creek, Guijas Wash, Las, Bailey Wash, Lopez Wash,
Yellow Jacket Wash, Fraguita Wash, Sycamore Canyon, Compartidero,
Arroyo del, Osa Wash, La, Arivaca Creek, Josephine Canyon, Santa
Cruz River, California Gulch, Canoa Wash, Papalote Wash, Warsaw
Canyon, Tres Bellotas Canyon, Sasabe, Arroyo del, Puertocito Wash,
Pe?asco Canyon, San Luis Wash, Sierra Canyon, Harshaw Creek and
Cienega Creek.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™