Flood Potential Outlook
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
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226 FGUS76 KSGX 090904 ESFSGX Hydrologic Forecast for Extreme Southwestern California National Weather Service San Diego CA 204 AM PDT Tue Sep 9 2025 ...Flash Flood Potential Index for Extreme Southwestern California... .SYNOPSIS... Dry southwesterly flow aloft will become westerly late this week with no thunderstorms expected through next weekend. $$ CAZ043-048-050-055>058-060>062-065-552-554-100315- San Diego County Coastal Areas- San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-San Bernardino County Mountains- Riverside County Mountains-Santa Ana Mountains and Foothills- San Diego County Mountains-Apple and Lucerne Valleys- Coachella Valley-San Diego County Deserts- San Gorgonio Pass near Banning-Orange County Coastal Areas- Orange County Inland Areas- Including the cities of Oceanside, Vista, Carlsbad, Encinitas, Chula Vista, National City, San Diego, Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, Pine Valley, Victorville, Hesperia, Apple Valley, Lucerne Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, San Clemente, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo 204 AM PDT Tue Sep 9 2025 .TODAY...None...no flash flooding is expected. .WEDNESDAY...None...no flash flooding is expected. $$ 17