Sinnard Reservoir Rainfall ForecastUnited StatesWYGoshen CountySinnard ReservoirToday 19 Apr15%Sun 20 Apr5%Mon 21 Apr25%Tue 22 Apr10%Wed 23 Apr50%Thu 24 Apr55%Fri 25 Apr50%Sinnard Reservoir rainfall forecast issued today at 8:04 pm. Next forecast at approx. 10:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Cheyenne RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads