Richmond Reservoir Rainfall ForecastUnited StatesMTBlaine CountyRichmond ReservoirToday 19 Apr10%Sun 20 Apr55%Mon 21 Apr70%Tue 22 Apr40%Wed 23 Apr10%Thu 24 Apr20%Fri 25 Apr25%Richmond Reservoir 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 Glasgow RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads