182
FGUS76 KSGX 140715
ESFSGX
HYDROLOGIC FORECAST FOR EXTREME SOUTHWESTERN CALIFORNIA
NATIONAL WEATHER SERVICE SAN DIEGO CA
1215 AM PDT FRI AUG 14 2026
..FLASH FLOOD POTENTIAL INDEX FOR EXTREME SOUTHWESTERN CALIFORNIA
SYNOPSIS
MONSOONAL MOISTURE WILL CONTINUE TO DECREASE THROUGH THE WEEKEND,
BUT WITH SOME CLOUDS OVER THE MOUNTAINS INTO THE HIGH DESERT EACH
AFTERNOON. WHILE LITTLE OR NO PRECIPITATION IS EXPECTED, THERE IS
A 10 TO 15 PERCENT CHANCE OF SHOWERS WITH MEASURABLE RAINFALL FOR
SATURDAY AFTERNOON FOR THE SAN BERNARDINO MOUNTAINS INTO THE
LUCERNE VALLEY. NO FLASH FLOODING IS EXPECTED.
CAZ055-056-058-060>062-065-150115-
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
SAN GORGONIO PASS NEAR BANNING-
INCLUDING THE CITIES OF CRESTLINE, LAKE ARROWHEAD, BIG BEAR CITY,
BIG BEAR LAKE, RUNNING SPRINGS, WRIGHTWOOD, IDYLLWILD-PINE COVE,
JULIAN, PINE VALLEY, VICTORVILLE, HESPERIA, APPLE VALLEY,
LUCERNE VALLEY, INDIO, PALM SPRINGS, CATHEDRAL CITY, PALM DESERT,
PALM DESERT COUNTRY, LA QUINTA, COACHELLA, AND BORREGO SPRINGS
1215 AM PDT FRI AUG 14 2026
TODAY...NONE
NO FLASH FLOODING IS EXPECTED.
SATURDAY...NONE
NO FLASH FLOODING IS EXPECTED.
CAZ043-048-050-057-552-554-150115-
SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SANTA ANA MOUNTAINS AND FOOTHILLS-
ORANGE COUNTY COASTAL AREAS-ORANGE COUNTY INLAND AREAS-
INCLUDING THE CITIES OF OCEANSIDE, VISTA, CARLSBAD, ENCINITAS,
CHULA VISTA, NATIONAL CITY, SAN DIEGO, RIVERSIDE, SAN BERNARDINO,
ONTARIO, MORENO VALLEY, FONTANA, RANCHO CUCAMONGA, CORONA,
ESCONDIDO, EL CAJON, SAN MARCOS, LA MESA, SANTEE, POWAY,
HUNTINGTON BEACH, COSTA MESA, NEWPORT BEACH, LAGUNA BEACH,
SAN CLEMENTE, SANTA ANA, ANAHEIM, GARDEN GROVE, IRVINE, ORANGE,
FULLERTON, AND MISSION VIEJO
1215 AM PDT FRI AUG 14 2026
TODAY...NONE
NO FLASH FLOODING IS EXPECTED.
SATURDAY...NONE
NO FLASH FLOODING IS EXPECTED.
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