River Forth - Alloa Rainfall ForecastUnited KingdomTAClackmannanRiver Forth - AlloaToday 16 May90%Sun 17 May75%Mon 18 May55%Tue 19 May90%Wed 20 May50%Thu 21 May15%Fri 22 May20%River Forth - Alloa rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Holehead (Stirling) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads