Sage Lake Rainfall ForecastUnited StatesMTHill CountySage LakeToday 19 Apr30%Sun 20 Apr55%Mon 21 Apr65%Tue 22 Apr40%Wed 23 Apr15%Thu 24 Apr15%Fri 25 Apr15%Sage Lake rainfall forecast issued today at 4:04 pm. Next forecast at approx. 6:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Great Falls RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads