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Areal Flood Watch — Upper San Pedro River Valley including Sierra Vista/Benson, AZ, Eastern Cochise County Below 5000 Feet including Douglas/Willcox, AZ, Upper Gila River and Aravaipa Valleys including Clifton/Safford, AZ, Galiuro and Pinaleno Mountains including Mount Graham, AZ, Chiricahua Mountains including Chiricahua National Monument, AZ, Dragoon/Mule/Huachuca and Santa Rita Mountains including Bisbee/Canelo Hills/Madera Canyon, AZ, Tohono O'odham Nation including Sells, AZ, Upper Santa Cruz River and Altar Valleys including Nogales, AZ, Tucson Metro Area including Tucson/Green Valley/Marana/Vail, AZ, South Central Pinal County including Eloy/Picacho Peak State Park, AZ, Southeast Pinal County including Kearny/Mammoth/Oracle, AZ, Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven, AZ, Baboquivari Mountains including Kitt Peak, AZ
Issued
4:00 PM CDT · Thu, Jul 16 2026
Expires
11:00 PM CDT · Thu, Jul 16 2026
Issuing Office
NWS KTWC

Affected Areas

Upper San Pedro River Valley including Sierra Vista/Benson, AZ Eastern Cochise County Below 5000 Feet including Douglas/Willcox, AZ Upper Gila River and Aravaipa Valleys including Clifton/Safford, AZ Galiuro and Pinaleno Mountains including Mount Graham, AZ Chiricahua Mountains including Chiricahua National Monument, AZ Dragoon/Mule/Huachuca and Santa Rita Mountains including Bisbee/Canelo Hills/Madera Canyon, AZ Tohono O'odham Nation including Sells, AZ Upper Santa Cruz River and Altar Valleys including Nogales, AZ Tucson Metro Area including Tucson/Green Valley/Marana/Vail, AZ South Central Pinal County including Eloy/Picacho Peak State Park, AZ Southeast Pinal County including Kearny/Mammoth/Oracle, AZ Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven, AZ Baboquivari Mountains including Kitt Peak, AZ

Official Bulletin

599
WGUS65 KTWC 160754
FFATWC

Flood Watch
National Weather Service Tucson AZ
1254 AM MST Thu Jul 16 2026

AZZ507>509-511>513-162215-
/O.CON.KTWC.FA.A.0001.260716T2100Z-260717T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-
Including the cities of Willcox, Clifton, Douglas, Benson, Sierra
Vista, Safford, Chiricahua N.M., Bisbee, Canelo Hills, Mount
Graham, and Madera Canyon
1254 AM MST Thu Jul 16 2026

...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH
THIS EVENING...

* WHAT...Scattered showers and thunderstorms will be capable of
  producing very heavy rain in a short period of time. The excessive
  rain will lead to increased chances for flash flooding. The heavy
  rain will also lead to significant flow in area washes, creeks, and
  rivers.

* WHERE...A portion of Southeast Arizona, including the following
  areas, Chiricahua Mountains, Dragoon and Mule and Huachuca and
  Santa Rita Mountains, Eastern Cochise County below 5000 feet,
  Galiuro and Pinaleno Mountains, Upper Gila River Valley and Upper
  San Pedro River Valley.

* WHEN...From 2 PM MST this afternoon until 9 PM MST this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Daytime heating will combine with a very moist atmosphere to
    produce scattered showers and thunderstorms which will be capable
    of very heavy rain. Isolated rainfall totals of 1 to 3 inches are
    possible.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor the latest forecast and be alert for possible
Flash Flood Warnings. Those living in areas prone to flooding should
be prepared to take action should flooding develop.

&&

$$

AZZ502>506-514-515-162215-
/O.CON.KTWC.FA.A.0001.260716T2100Z-260717T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tohono O'odham Nation-Upper Santa Cruz River Valley/Altar Valley-
Tucson Metro Area-South Central Pinal County-Southeast Pinal
County-Catalina and Rincon Mountains-Baboquivari Mountains-
Including the cities of Sells, Nogales, Kitt Peak, Mount Lemmon,
Picacho Peak State Park, Green Valley, Vail, Mammoth, Oracle,
Summerhaven, Marana, and Tucson
1254 AM MST Thu Jul 16 2026

...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH
LATE TONIGHT...

* WHAT...Scattered showers and thunderstorms will be capable of
  producing very heavy rain in a short period of time. The excessive
  rain will lead to increased chances for flash flooding. The heavy
  rain will also lead to significant flow in area washes, creeks, and
  rivers.

* WHERE...A portion of Southeast Arizona, including the following
  areas, Baboquivari Mountains, Catalina and Rincon Mountains, South
  Central Pinal County, Southeast Pinal County, Tohono O'odham
  Nation, Tucson Metro Area and Upper Santa Cruz River Valley/Altar
  Valley.

* WHEN...From 2 PM MST this afternoon until 5 AM MST Friday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Daytime heating will combine with a very moist atmosphere to
    produce scattered showers and thunderstorms which will be capable
    of very heavy rain. Storms will continue after sunset. Isolated
    rainfall totals of 1 to 3 inches are possible.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor the latest forecast and be alert for possible
Flash Flood Warnings. Those living in areas prone to flooding should
be prepared to take action should flooding develop.

&&

$$

EDWARDS