Lyndon B. Johnson Rainfall ForecastUnited StatesTXGillespie CountyLyndon B. JohnsonToday 19 Apr45%Sun 20 Apr70%Mon 21 AprNo RainTue 22 Apr40%Wed 23 Apr60%Thu 24 Apr50%Fri 25 Apr50%Lyndon B. Johnson rainfall forecast issued today at 9:04 pm. Next forecast at approx. 11:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time San Antonio RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads