All the parts of UK facing '5cm per hour' snow with four counties hitAccording to the GFS advanced modelling, projected from WX Charts' maps, Scotland is in store to be struck around October 18 and October 19. View Image All the parts of UK facing '5cm per hour' snow with four counties hitAll the parts of the UK facing snowfall in the first blast of autumn have been revealed. According to the GFS advanced modelling, projected from WX Charts' maps, Scotland is in store to be struck around October 18 and October 19. ‌Areas that could be hit with snow include parts of Perth and Inverness, with snow spreading later in the day to blanket areas further north and west in Ross and Cromarty. The projections have been made via WX Charts, with the maps mirrored by fellow weather forecasters at Ventusky.