Grimwith Reservoir Rainfall ForecastUnited KingdomYHNorth YorkshireGrimwith ReservoirToday 23 Feb95%Tue 24 Feb15%Wed 25 Feb85%Thu 26 Feb90%Fri 27 Feb50%Sat 28 Feb85%Sun 1 Mar75%Grimwith Reservoir rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 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