Cascade Rainfall ForecastUnited StatesMTCascade CountyCascadeToday 15 AprNo RainWed 16 Apr85%Thu 17 Apr80%Fri 18 Apr20%Sat 19 AprNo RainSun 20 Apr50%Mon 21 Apr65%Cascade rainfall forecast issued today at 11:04 pm. Next forecast at approx. 1:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Great Falls RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads