Porterville Rainfall ForecastUnited StatesMSKemper CountyPortervilleToday 19 Apr5%Sun 20 AprNo RainMon 21 Apr75%Tue 22 Apr75%Wed 23 Apr40%Thu 24 Apr35%Fri 25 Apr30%Porterville 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 Columbus RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads