Alton Lake Rainfall ForecastUnited StatesTXLeon CountyAlton LakeToday 19 Apr30%Sun 20 Apr60%Mon 21 Apr35%Tue 22 Apr40%Wed 23 Apr80%Thu 24 Apr60%Fri 25 Apr60%Alton 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 Central Texas RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads