Little Bitterroot Lake Rainfall ForecastUnited StatesMTFlathead CountyLittle Bitterroot LakeToday 18 Apr10%Sat 19 Apr25%Sun 20 Apr40%Mon 21 Apr70%Tue 22 Apr25%Wed 23 Apr10%Thu 24 Apr10%Little Bitterroot Lake rainfall forecast issued today at 7:05 pm. Next forecast at approx. 9:05 am.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