Severe Flood ● Closed
Flood Watch issued September 13 at 11:52AM MST until September 14 at 11:00PM MST by NWS Tucson AZ, United States of America
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* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of Southeast Arizona, including the following
areas, 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, Tucson Metro Area,
Upper Gila River Valley, Upper San Pedro River Valley and Upper
Santa Cruz River Valley/Altar Valley.
* WHEN...From Monday morning through Monday 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. 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 Monday. 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 in
the 48 to 72 hours 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 | Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County includi |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-14T05:30:00-07:00 |
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 reportThis event as JSON · API and licence
Source updated 36 days ago (Sep 13, 2026 18:53 UTC) · we last heard from WMO Alert Hub (national weather services) 34 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: Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County includi
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
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.