038
WGUS65 KTWC 282015
FFATWC
FLOOD WATCH
NATIONAL WEATHER SERVICE TUCSON AZ
115 PM MST MON SEP 28 2026
AZZ501>515-291200-
/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 SIERRA VISTA, MOUNT LEMMON, PICACHO PEAK
STATE PARK, ORACLE, KITT PEAK, CANELO HILLS, HANNAGAN MEADOW,
ORGAN PIPE CACTUS N.M., MARANA, BISBEE, VAIL, MADERA CANYON,
BENSON, MOUNT GRAHAM, SUMMERHAVEN, CLIFTON, NOGALES, DOUGLAS,
WILLCOX, TUCSON, AJO, CHIRICAHUA N.M., SELLS, GREEN VALLEY,
MAMMOTH, AND SAFFORD
115 PM MST MON SEP 28 2026
..FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE
POSSIBLE.
* WHERE...FOR ALL 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 TUESDAY EVENING AREA WIDE. COVERAGE AND INTENSITY OF
SHOWERS AND STORMS INCREASE THROUGH THE AFTERNOON TODAY AND INTO
THE EVENING. THE GREATEST RISK FOR FLASH FLOODING WILL BE FROM
EARLY TUESDAY MORNING THROUGH TUESDAY LATE AFTERNOON.
* 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.
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