Severe Flood ● Closed
Flood Watch issued September 15 at 10:09AM MST until September 16 at 11:00PM MST by NWS Tucson AZ, United States of America
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* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of Southeast Arizona, including the following
areas, Baboquivari Mountains, Catalina and Rincon Mountains,
Chiricahua Mountains, Dragoon and Mule and Huachuca and Santa Rita
Mountains, Eastern Cochise County below 5000 feet, Galiuro and
Pinaleno Mountains, South Central Pinal County, Southeast Pinal
County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River
Valley, Upper San Pedro River Valley, Upper Santa Cruz River
Valley/Altar Valley, Western Pima County and White Mountains of
Graham and Greenlee Counties.
* WHEN...From this evening through Wednesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas. Low-water crossings may be
flooded.
* ADDITIONAL DETAILS...
- Well above normal moisture levels for September are expected to
result in scattered to numerous showers and thunderstorms capable
of producing heavy rainfall from late tonight through late
tomorrow night. Rain totals of 1 to 2 inches are expected with
the stronger storms with isolated amounts over 2 inches possible.
Areas that received substantial rainfall over the previous few
days will be more susceptible to flash flooding. This rainfall
will result in faster response in washes, creeks, and storm
drainages.
- http://www.weather.gov/safety/flood
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys incl |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-15T18:15:00-07:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportAlso reported by: WMO WMO WMO WMO WMO
This event as JSON · API and licence
Source updated 34 days ago (Sep 15, 2026 17:11 UTC) · we last heard from WMO Alert Hub (national weather services) 54 seconds ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys incl
Official authorities in United States
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More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.
Open Flood Safety Guide →Earlier flood events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.