Grant City Rainfall ForecastUnited StatesINHenry CountyGrant CityToday 19 Apr100%Sun 20 Apr40%Mon 21 Apr70%Tue 22 AprNo RainWed 23 Apr10%Thu 24 Apr30%Fri 25 Apr65%Grant City rainfall forecast issued today at 9:05 pm. Next forecast at approx. 11:05 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Indianapolis RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads