Grimwith Reservoir Rainfall ForecastUnited KingdomYHNorth YorkshireGrimwith ReservoirToday 5 Jun85%Fri 6 Jun90%Sat 7 Jun60%Sun 8 Jun40%Mon 9 Jun50%Tue 10 Jun50%Wed 11 Jun15%Grimwith Reservoir rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Hameldon Hill (Lancashire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads