Custer National Forest Rainfall ForecastUnited StatesMTStillwater CountyCuster National ForestToday 19 AprNo RainSun 20 Apr65%Mon 21 Apr95%Tue 22 Apr55%Wed 23 Apr55%Thu 24 Apr50%Fri 25 Apr65%Custer National Forest 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 Billings RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads