St Louis Rainfall ForecastUnited StatesOKPottawatomie CountySt LouisToday 18 Apr30%Sat 19 Apr95%Sun 20 Apr100%Mon 21 Apr10%Tue 22 Apr20%Wed 23 Apr80%Thu 24 Apr75%St Louis rainfall forecast issued today at 11:04 am. Next forecast at approx. 1:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Oklahoma City RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads