Flood Watch

Locations Affected

Chula Vista, CA ∙ San Diego, CA ∙ Anaheim, CA ∙ Irvine, CA ∙ Riverside, CA ∙ San Bernardino, CA ∙ Santa Ana, CA ∙ Moreno Valley, CA ∙ Huntington Beach, CA ∙ Fullerton, CA

Full Alert Message

Flood Watch National Weather Service San Diego CA 1227 PM PST Tue Dec 23 2025 ...FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, San Diego County Coastal Areas, San Diego County Deserts, San Diego County Mountains and San Diego County Valleys. * WHEN...From late tonight through late Wednesday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - An Atmospheric River will likely bring widespread moderate to heavy rain to the area Wednesday. Heaviest most widespread rain is expected late Wednesday morning continuing through the evening. 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. - 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.

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