Sand Mound Slough - Dutch Slough Entrance Rainfall ForecastUnited StatesCAContra Costa CountySand Mound Slough - Dutch Slough EntranceToday 16 Apr5%Thu 17 Apr5%Fri 18 AprNo RainSat 19 AprNo RainSun 20 AprNo RainMon 21 AprNo RainTue 22 AprNo RainSand Mound Slough - Dutch Slough Entrance rainfall forecast issued today at 3:03 am. Next forecast at approx. 5:03 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Sacramento RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads