Merrill Lake County Park Rainfall ForecastUnited StatesMIMecosta CountyMerrill Lake County ParkToday 19 Apr70%Sun 20 Apr15%Mon 21 Apr85%Tue 22 Apr10%Wed 23 Apr45%Thu 24 Apr20%Fri 25 Apr35%Merrill Lake County Park rainfall forecast issued today at 10:04 pm. Next forecast at approx. 12:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Grand Rapids RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads