Smithville Rainfall ForecastUnited StatesOKMcCurtain CountySmithvilleToday 19 Apr70%Sun 20 Apr90%Mon 21 Apr15%Tue 22 Apr5%Wed 23 Apr65%Thu 24 Apr75%Fri 25 Apr75%Smithville rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Fort Smith RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads