Weather Alerts For San Juan Capistrano, CA

Flood Watch National Weather Service San Diego CA 256 AM PST Mon Dec 22 2025 San Bernardino and Riverside County Valleys-The Inland Empire-San Bernardino County Mountains-Riverside County Mountains-Santa Ana Mountains and Foothills-Apple and Lucerne Valleys-Coachella Valley-San Gorgonio Pass near Banning-Orange County Coastal Areas- Orange County Inland Areas- Including the cities of Ontario, Palm Desert Country, Indio, Cathedral City, Huntington Beach, Lucerne Valley, Garden Grove, Crestline, Fullerton, Rancho Cucamonga, Palm Springs, Newport Beach, Lake Arrowhead, Victorville, Riverside, Anaheim, Apple Valley, Costa Mesa, Laguna Beach, Moreno Valley, Running Springs, Big Bear Lake, Big Bear City, Santa Ana, Wrightwood, San Bernardino, Hesperia, Idyllwild-Pine Cove, Corona, San Clemente, Irvine, Coachella, La Quinta, Mission Viejo, Orange, Fontana, and Palm Desert 256 AM PST Mon Dec 22 2025 ...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, Apple and Lucerne Valleys, Coachella Valley, Orange County Coastal Areas, Orange County Inland Areas, Riverside County Mountains, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Gorgonio Pass near Banning and Santa Ana Mountains and Foothills. * WHEN...From Tuesday afternoon through Wednesday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Mud and debris flow are possible near and in burn scars, including the Airport, Bridge and Line burn scars. * ADDITIONAL DETAILS... - An Atmospheric River will likely bring widespread moderate to heavy rain to the region late Tuesday through Wednesday. Showers could begin to develop as early as Tuesday evening, especially in the mountains. Heaviest and most widespread rain is expected Wednesday morning continuing through the afternoon in the Coachella Valley and in the mountains. Peak rainfall rates of 0.50 to 1 inch per hour are expected. There is a potential for locally heavier hourly rainfall rates to develop with convection embedded in the main rain band or in thunderstorms after the main band passes. Scattered locally heavy showers could continue into Thursday but impacts from any additional rain are expected to be more localized. -Snow levels are expected to remain above 8000 ft during period of heaviest precipitation bringing a heightened risk of mud slides, debris flow, and areas of flash flooding in the San Bernardino county mountains. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. &&

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 218 AM PST Mon Dec 22 2025 San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of El Cajon, Huntington Beach, Garden Grove, Fullerton, Poway, Riverside, Anaheim, Costa Mesa, Escondido, Santa Ana, Santee, Corona, Carlsbad, La Mesa, Vista, Irvine, Mission Viejo, Orange, and San Marcos 218 AM PST Mon Dec 22 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, and San Diego County Valleys. The lowest visibilities will be near higher coastal terrain into the western valleys. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&

Air Quality Alert Message Relayed by National Weather Service San Diego, CA 1141 AM PST Sun Dec 21 2025 San Bernardino and Riverside County Valleys-The Inland Empire- Riverside County Mountains-San Gorgonio Pass near Banning- Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, Idyllwild-Pine Cove, Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, San Clemente, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo 1141 AM PST Sun Dec 21 2025 ...AIR QUALITY ALERT: MANDATORY WOOD-BURNING BAN IN EFFECT... * WHAT...The South Coast AQMD has extended a mandatory wood-burning ban for residents in the South Coast Air Basin. The No-Burn rule bans burning wood, pellets, and manufactured fire logs in any indoor or outdoor wood-burning device. * WHERE...The South Coast Air Basin, which includes Orange County and non-desert portions of Los Angeles, Riverside, and San Bernardino counties. No-Burn Day alerts do not apply to areas above 3,000 feet in elevation, the Coachella Valley, or the High Desert. Homes that rely on wood as a sole source of heat, low-income households and those without natural gas service also are exempt from the requirement. * WHEN...Sunday and Monday. * IMPACTS...Particles in smoke can get deep into the lungs and cause health problems (including asthma attacks), increases in emergency room visits, and hospitalizations. No-Burn Days are needed to protect public health when fine particle pollution levels are expected to be high anywhere in the South Coast Air Basin. No-Burn Days are based on fine particle pollution levels that are forecasted for an entire 24-hour period, which may not be reflected in real-time air quality maps. PRECAUTIONARY/PREPAREDNESS ACTIONS... To protect your health, check current and forecasted air quality levels at www.aqmd.gov or download the mobile app at www.aqmd.gov/mobileapp. When air quality is poor in your area, limited extended or intense outdoor activity and remain inside with windows and doors closed. Run your air conditioner and/or an air purifier and avoid using devices that bring in outside air like a swamp cooler or whole house fan if you have other ways to stay cool. Additional details for this air quality alert are available at www.aqmd.gov/advisory. Information on the South Coast AQMD Check Before You Burn program is available at www.aqmd.gov/cbyb.