Britain is set to see a mixed bag of weather over the four day weekend, with heavy rain and wind, but also some sunny spells. Throughout Good Friday,low pressure is set to bring showers and longer spells of rain across the UK, although drier spells will develop later in the day from the east. It will overall be a mixed day with occasionally hefty downpours and a freshening southwestern wind. Forecasters predict there will be a slight overall improvement through Easter weekend with some scattered showers. Going into the early hours of Saturday morning, showers are set to hit in southern and wes…