Upper Wasilla Lake SPB Rainfall ForecastUnited StatesAKMatanuska-Susitna BoroughUpper Wasilla Lake SPBToday 19 Apr15%Sun 20 Apr25%Mon 21 Apr75%Tue 22 Apr25%Wed 23 Apr20%Thu 24 Apr15%Fri 25 Apr20%Upper Wasilla Lake SPB rainfall forecast issued today at 3:04 pm. Next forecast at approx. 5:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Kenai RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads