By Susie Beever Projected temperatures will feel as low as -9C in some parts of the UK today, as an Arctic plume of air sweeps through the country. The Met Office has issued a series of yellow weather warnings every day until Thursday at midnight as forecasters predict a 756 mile-long stretch of snow, sleet and ice which will hit Scotland and the North West the hardest. But in a new forecast revealing UK-wide projections for Monday, meteorologists said temperatures will feel far below zero all the way down to the south coast. Warnings came into place on Sunday affecting Scotland, but stretch d…