New weather maps have shown an arctic blast of icy air headed for the UK in the coming days with temperatures set to drop below zero. The new weather maps from WXCharts show a wall of freezing air bearing down on the UK from the north around mid-November sending temperatures plummeting into minus figures. Temperatures could be set to turn chilly in the third week of November, according to long-range predictions from the weather forecasting site. But the month is due to start off warm, with