Cat Island Lake Rainfall ForecastUnited StatesLABossier ParishCat Island LakeToday 19 Apr5%Sun 20 Apr80%Mon 21 Apr80%Tue 22 Apr35%Wed 23 Apr65%Thu 24 Apr60%Fri 25 Apr65%Cat Island Lake 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 Shreveport RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads