South Twin Lake Rainfall ForecastUnited StatesWAFerry CountySouth Twin LakeToday 19 Apr75%Sun 20 Apr25%Mon 21 Apr25%Tue 22 AprNo RainWed 23 Apr5%Thu 24 Apr10%Fri 25 Apr20%South Twin Lake 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 Spokane RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads