461
WGUS65 KTWC 160147
FFATWC

Flood Watch
National Weather Service Tucson AZ
647 PM MST Tue Sep 15 2026

AZZ501>515-161200-
/O.CON.KTWC.FA.A.0012.260916T0600Z-260917T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Pima County-Tohono O`odham Nation-Upper Santa Cruz River
Valley/Altar Valley-Tucson Metro Area-South Central Pinal County-
Southeast Pinal County-Upper San Pedro River Valley-Eastern
Cochise County below 5000 feet-Upper Gila River Valley-White
Mountains of Graham and Greenlee Counties-Galiuro and Pinaleno
Mountains-Chiricahua Mountains-Dragoon and Mule and Huachuca and
Santa Rita Mountains-Catalina and Rincon Mountains-Baboquivari
Mountains-
Including the cities of Canelo Hills, Summerhaven, Sells, Willcox,
Mount Graham, Safford, Mount Lemmon, Vail, Chiricahua
N.M., Marana, Kitt Peak, Green Valley, Ajo, Bisbee, Picacho Peak
State Park, Mammoth, Douglas, Tucson, Hannagan Meadow, Clifton,
Madera Canyon, Sierra Vista, Organ Pipe Cactus N.M., Oracle,
Benson, and Nogales
647 PM MST Tue Sep 15 2026

...FLOOD WATCH REMAINS IN EFFECT FROM 11 PM MST THIS EVENING THROUGH
WEDNESDAY EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
  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 11 PM MST 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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

AWH