Arthur Lake Rainfall ForecastUnited StatesCAShasta CountyArthur LakeToday 19 Apr5%Sun 20 Apr5%Mon 21 AprNo RainTue 22 Apr5%Wed 23 Apr10%Thu 24 Apr20%Fri 25 Apr35%Arthur Lake rainfall forecast issued today at 2:04 am. Next forecast at approx. 4:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Beale RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads