Richard B Helgeson Airport Rainfall ForecastUnited StatesMNLake CountyRichard B Helgeson AirportToday 19 Apr10%Sun 20 Apr5%Mon 21 Apr55%Tue 22 Apr30%Wed 23 Apr45%Thu 24 Apr20%Fri 25 Apr35%Richard B Helgeson Airport rainfall forecast issued today at 5:04 am. Next forecast at approx. 7:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Duluth RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads