Latest Pressure Chart, The Low Still Only Touching SW Wales And Will More Or Less Take The M4 Route With Northern Flank Wrap Around.. So Fingers Crossed Precipitation Will Started Building And Wrapping Around That Low When Going Over The M4.
http://www.xcweather.co.uk/GB/observations
Pressure Currently 1009mb Which Is To Deepen to 1004 While Over M4 Centre Around 9pm