Tucson Mountain Reserve Rainfall ForecastUnited StatesAZPima CountyTucson Mountain ReserveToday 19 Apr35%Sun 20 AprNo RainMon 21 AprNo RainTue 22 AprNo RainWed 23 AprNo RainThu 24 AprNo RainFri 25 AprNo RainTucson Mountain Reserve 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 Tucson RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads