James Lake Rainfall ForecastUnited StatesMTPowell CountyJames LakeToday 19 Apr30%Sun 20 Apr50%Mon 21 Apr80%Tue 22 Apr20%Wed 23 Apr20%Thu 24 Apr20%Fri 25 Apr35%James 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 Missoula RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads