Armstrong Rainfall ForecastUnited StatesILVermilion CountyArmstrongToday 18 Apr20%Sat 19 Apr90%Sun 20 Apr75%Mon 21 Apr85%Tue 22 Apr5%Wed 23 Apr15%Thu 24 Apr30%Armstrong rainfall forecast issued today at 8:05 pm. Next forecast at approx. 10:05 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Lincoln RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads