171
FGUS76 KSGX 160905
ESFSGX

Hydrologic Forecast for Extreme Southwestern California
National Weather Service San Diego CA
205 AM PDT Wed Jul 16 2025

...Flash Flood Potential Index for Extreme Southwestern California...

.SYNOPSIS...
Dry weather will continue today. For Thursday and Friday, there
will be an increase in monsoonal moisture with a chance for mainly
afternoon showers and thunderstorms, mainly for the mountains.
Each day, chances for one-quarter inch or more of rainfall are 5
to 10 percent with the chance for one-half inch or more of
rainfall less than 5 percent. Then drier for the weekend into next
week.

$$

CAZ055-056-058-170130-
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove,
Julian, and Pine Valley
205 AM PDT Wed Jul 16 2025

.TODAY...None...no flash flooding is expected.
.THURSDAY...Low...the risk of flash flooding is minimal.

$$

CAZ060>062-065-170130-
Apple and Lucerne Valleys-Coachella Valley-
San Diego County Deserts-San Gorgonio Pass near Banning-
Including the cities of Victorville, Hesperia, Apple Valley,
Lucerne Valley, Indio, Palm Springs, Cathedral City, Palm Desert,
Palm Desert Country, La Quinta, Coachella, and Borrego Springs
205 AM PDT Wed Jul 16 2025

.TODAY...None...no flash flooding is expected.
.THURSDAY...None...no flash flooding is expected.

$$

CAZ048-050-170130-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido,
El Cajon, San Marcos, La Mesa, Santee, and Poway
205 AM PDT Wed Jul 16 2025

.TODAY...None...no flash flooding is expected.
.THURSDAY...None...no flash flooding is expected.

$$

CAZ043-552-554-170130-
San Diego County Coastal Areas-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas,
Chula Vista, National City, San Diego, Huntington Beach,
Costa Mesa, Newport Beach, Laguna Beach, San Clemente, Santa Ana,
Anaheim, Garden Grove, Irvine, Orange, Fullerton,
and Mission Viejo
205 AM PDT Wed Jul 16 2025

.TODAY...None...no flash flooding is expected.
.THURSDAY...None...no flash flooding is expected.

$$

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