Knik River Rainfall ForecastUnited StatesAKMatanuska-Susitna BoroughKnik RiverToday 19 Apr20%Sun 20 Apr30%Mon 21 Apr35%Tue 22 Apr15%Wed 23 Apr20%Thu 24 Apr20%Fri 25 Apr15%Knik River rainfall forecast issued today at 2:04 pm. Next forecast at approx. 4:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Kenai RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads