Flood Watch

Locations Affected

Victorville, CA ∙ Hesperia, CA ∙ Indio, CA ∙ Apple Valley, CA ∙ Cathedral City, CA ∙ Palm Desert, CA ∙ Rimforest, CA ∙ San Jacinto Peak, CA ∙ Boulevard, CA ∙ Arrowbear Lake, CA

Full Alert Message

Flood Watch National Weather Service San Diego CA 747 PM PDT Thu Sep 18 2025 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY... * 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, Riverside County Mountains, San Bernardino County Mountains, San Diego County Deserts, San Diego County Mountains and San Gorgonio Pass near Banning. * WHEN...Until 2 AM PDT Friday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Scattered showers and thunderstorms will spread northward across the area through tonight with heaviest rainfall through the early evening. Some thunderstorms will produce locally heavy rainfall, which may lead to flooding. The most likely peak hourly rainfall is around one-half inch with isolated maximum hourly rainfall to 1 inch. - 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. Be alert in the mountains for rockslides and rocks in the road.

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