Racetrack Lake Rainfall ForecastUnited StatesMTGranite CountyRacetrack LakeToday 19 Apr5%Sun 20 Apr60%Mon 21 Apr80%Tue 22 Apr20%Wed 23 Apr25%Thu 24 Apr30%Fri 25 Apr45%Racetrack Lake rainfall forecast issued today at 2:04 am. Next forecast at approx. 4:04 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