Norris Lake Rainfall ForecastUnited StatesTNUnion CountyNorris LakeToday 19 AprNo RainSun 20 Apr10%Mon 21 Apr40%Tue 22 Apr70%Wed 23 Apr35%Thu 24 Apr40%Fri 25 Apr40%Norris Lake rainfall forecast issued today at 9:08 am. Next forecast at approx. 11:08 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Knoxville/Tri Cities RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads