Forest Park - Northwest District Rainfall ForecastUnited StatesORMultnomah CountyForest Park - Northwest DistrictToday 18 Apr15%Sat 19 Apr20%Sun 20 Apr25%Mon 21 AprNo RainTue 22 AprNo RainWed 23 AprNo RainThu 24 Apr20%Forest Park - Northwest District 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 Portland RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads