Biorka Island Rainfall ForecastUnited StatesAKSitka BoroughBiorka IslandToday 19 Apr40%Sun 20 Apr25%Mon 21 Apr55%Tue 22 Apr55%Wed 23 Apr45%Thu 24 Apr35%Fri 25 Apr25%Biorka Island 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 Biorka Island RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads