Johnson Valley Reservoir Rainfall ForecastUnited StatesUTSevier CountyJohnson Valley ReservoirToday 19 Apr45%Sun 20 AprNo RainMon 21 Apr15%Tue 22 Apr15%Wed 23 Apr15%Thu 24 Apr20%Fri 25 Apr10%Johnson Valley Reservoir rainfall forecast issued today at 5:04 pm. Next forecast at approx. 7:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Cedar City RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads