Columbus Rainfall ForecastUnited StatesMTStillwater CountyColumbusToday 19 AprNo RainSun 20 Apr45%Mon 21 Apr90%Tue 22 Apr40%Wed 23 Apr35%Thu 24 Apr35%Fri 25 Apr45%Columbus 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