The first snow of the season is set to arrive in Britain this week, after temperatures nosedived on Thursday. With an arctic blast making its down the UK yesterday, the Met Office is predicting that a thin layer of snow materialise in the coming days. Temperatures in northern England and Scotland are set to drop below freezing down to -2C, creating the perfect conditions for a white blanket. The snow will be limited to the Scottish mountains but reflect the start begin towards winter. A spokesperson for Met Office said last night: “There’s a chance of a dusting of snow over the tops of the Sco…