War Horse National Wildlife Refuge Rainfall ForecastUnited StatesMTPetroleum CountyWar Horse National Wildlife RefugeToday 19 Apr5%Sun 20 Apr40%Mon 21 Apr75%Tue 22 Apr30%Wed 23 Apr20%Thu 24 Apr25%Fri 25 Apr30%War Horse National Wildlife Refuge rainfall forecast issued today at 4:04 am. Next forecast at approx. 6:04 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