Herbst Rainfall ForecastUnited StatesINGrant CountyHerbstToday 19 Apr80%Sun 20 Apr45%Mon 21 Apr60%Tue 22 Apr10%Wed 23 Apr10%Thu 24 Apr25%Fri 25 Apr50%Herbst 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 Northern Indiana RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads