FSUS46 KSGX 200826 QPSSGX Quantitative Precipitation Forecast National Weather Service San Diego CA 126 AM PDT Mon Apr 20 2026 Precipitation Forecast in Inches in 6-Hour Periods... [ Beginning times for each period are in local time... ] [ For example...05Thu ] [ ...11Thu is a forecast for 5 AM to 11 AM Thursday ] [ For example...23Thu ] [ ...05Fri is a forecast for 11 PM Thursday to 5 AM Friday] ...Orange County Coastal Areas... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Huntington Beach 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Newport Beach 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Laguna Beach 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 San Clemente 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ...Orange County Inland Areas... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Anaheim 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Fullerton 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Brea 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Villa Park 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00 ...Santa Ana Mountains And Foothills... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Fremont Canyon 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.00 0.00 0.00 0.00 0.00 Silverado Canyon, 3 Mi East of Silverado 0.00 0.00 0.00 0.00 0.00 0.00 0.11 0.00 0.00 0.00 0.00 0.00 Modjeska Preserve 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.00 0.00 0.00 0.00 0.00 Santiago Peak 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.00 0.00 0.00 0.00 0.00 El Cariso 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.00 0.00 0.00 0.00 0.00 Santa Rosa Plateau 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ...San Bernardino And Riverside County Valleys-The Inland Empire... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Ontario 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 San Bernardino 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Beaumont 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.00 0.00 0.00 0.00 0.00 Riverside 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Perris Valley Channel 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Prado Dam 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Temecula 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Hemet 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00 ...Riverside County Mountains... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Idyllwild 0.00 0.00 0.00 0.00 0.00 0.00 0.11 0.00 0.00 0.00 0.00 0.00 ...Coachella Valley... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Palm Springs 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Thermal 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ...San Bernardino County Mountains... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu San Antonio Dam 0.00 0.00 0.00 0.00 0.00 0.03 0.12 0.00 0.00 0.00 0.00 0.00 Lytle Creek 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.00 0.00 0.00 0.00 0.00 Wrightwood 0.00 0.00 0.00 0.00 0.00 0.01 0.12 0.00 0.00 0.00 0.00 0.00 Lake Arrowhead 0.00 0.00 0.00 0.00 0.00 0.00 0.26 0.00 0.00 0.00 0.00 0.00 Big Bear Lake 0.00 0.00 0.00 0.00 0.00 0.00 0.11 0.00 0.00 0.00 0.00 0.00 Big Morongo Canyon 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ...Apple And Lucerne Valleys... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Hesperia 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Victorville 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Apple Valley 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ...San Diego County Coastal Areas... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Oceanside 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Miramar 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 San Diego International Airport 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Chula Vista 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 San Ysidro 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ...San Diego County Valleys... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Fallbrook 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Rancho Bernardo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 La Mesa 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 El Cajon 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ...San Diego County Mountains... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Palomar Mountain 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Julian 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.02 0.00 0.00 0.00 0.00 Mount Laguna 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Campo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ...San Diego County Deserts... 05Mon 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 11Mon 17Mon 23Mon 05Tue 11Tue 17Tue 23Tue 05Wed 11Wed 17Wed 23Wed 05Thu Borrego Springs 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 $$ Dry weather will continue through Tuesday morning. There is a chance of showers from a weakening cold front as it moves across the area from late Tuesday afternoon through Tuesday night. Rainfall could range from little or no measurable rainfall near the coast to as much as one-tenth to one-quarter in for the mountains of San Bernardino and Riverside Counties with one-tenth inch or less in the San Diego County mountains. The snow level will rise to 7500 to 8000 feet for early Tuesday evening, then fall to 5500 to 6500 feet by Wednesday morning with one inch or less of snowfall above 7500 feet. $$ 17