# Flood Watch: Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper San Pedro River Valley including Sierra Vista/Benson; Dragoon/Mule/Huachuca and Santa Rita Mountains including Bisbee/Canelo Hills/Madera Canyon; Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven; Baboquivari Mountains including Kitt Peak — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/ae4fc099f4647ada

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source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-29 16:49 ingested 2026-08-30 02:50

[original source ↗](http://www.weather.gov/)

## extract

Flood Watch — Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper San Pedro River Valley including Sierra Vista/Benson; Dragoon/Mule/Huachuca and Santa Rita Mountains including Bisbee/Canelo Hills/Madera Canyon; Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven; Baboquivari Mountains including Kitt Peak
Severity: Severe. Certainty: Possible.
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Tucson Metro Area, Southeast Pinal County, Tohono O'odham
Nation, Upper San Pedro River Valley Upper Santa Cruz River
Valley/Altar Valley, Baboquivari Mountains, Catalina and Rincon
Mountains, Dragoon and Mule and Huachuca and Santa Rita Mountains.

* WHEN...Through late Sunday night.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded. Flooding may occur in poor
drainage and urban areas.

* ADDITIONAL DETAILS...
- An increase in moisture will bring scattered thunderstorms
Saturday and Sunday. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 1-3 inches. Additional rainfall from the
previous day and overnight activity will result in faster
responses in normally dry washes, creeks and roadway dips.

- Http://www.weather.gov/safety/flood

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.