Alkali Lake Rainfall ForecastUnited StatesMTToole CountyAlkali LakeToday 19 Apr80%Sun 20 Apr80%Mon 21 Apr75%Tue 22 Apr50%Wed 23 Apr15%Thu 24 Apr20%Fri 25 Apr30%Alkali 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 Great Falls RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads