By Rachel Hagan New cold weather maps show that Britain is bracing for an icy -4C Arctic blast next week, with an “uncertain” period ahead. The latest weather maps on WX Charts, compiled using data from the Metdesk, show that next Friday, February 16, temperatures in northern Scotland, specifically the central belt of Scotland, as well as the Highlands, will be between -4C and -2C over on Scotland’s east coast. The south of Scotland and the north of England will also experience sub-zero temperatures. It comes as the Met Office predicts a period of “uncertain” weather blasting into the UK in th…