Olmito Lake Rainfall ForecastUnited StatesTXCameron CountyOlmito LakeToday 18 AprNo RainSat 19 AprNo RainSun 20 Apr30%Mon 21 Apr30%Tue 22 Apr30%Wed 23 Apr20%Thu 24 Apr10%Olmito Lake rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Brownsville RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads