324
WGUS65 KTWC 291134
FFATWC
FLOOD WATCH
NATIONAL WEATHER SERVICE TUCSON AZ
434 AM MST TUE SEP 29 2026
AZZ501>515-300600-
/O.CON.KTWC.FA.A.0013.000000T0000Z-260930T0600Z/
/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 SAFFORD, MAMMOTH, MOUNT LEMMON, PICACHO
PEAK STATE PARK, SIERRA VISTA, ORGAN PIPE CACTUS N.M., CLIFTON,
AJO, NOGALES, MADERA CANYON, ORACLE, TUCSON, BENSON, BISBEE, SELLS,
MARANA, DOUGLAS, VAIL, KITT PEAK, HANNAGAN MEADOW,
WILLCOX, CHIRICAHUA N.M., SUMMERHAVEN, MOUNT GRAHAM, CANELO
HILLS, AND GREEN VALLEY
434 AM MST TUE SEP 29 2026
..FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING
* WHAT...FLASH 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...THROUGH THIS EVENING.
* 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.
* ADDITIONAL DETAILS...
- DEEP TROPICAL MOISTURE WILL COMBINE WITH AN APPROACHING UPPER LOW
AND TROUGH, RESULTING IN AREAS OF HEAVY RAINFALL. RAINFALL TOTALS
OF 1 TO 2 INCHES ARE POSSIBLE ACROSS MOST VALLEY LOCATIONS IN
SOUTHEAST ARIZONA, WITH 2 TO 4 INCHES POSSIBLE ACROSS THE SKY
ISLANDS AND WHITE MOUNTAINS. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE
UNDER THE STRONGER THUNDERSTORMS, ESPECIALLY FOR THE WHITE
MOUNTAINS.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
CWR
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