Casa De Oro-Mount Helix Rainfall ForecastUnited StatesCASan Diego CountyCasa De Oro-Mount HelixToday 18 Apr35%Sat 19 AprNo RainSun 20 AprNo RainMon 21 AprNo RainTue 22 AprNo RainWed 23 AprNo RainThu 24 AprNo RainCasa De Oro-Mount Helix rainfall forecast issued today at 3:04 am. Next forecast at approx. 5:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time San Diego RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads