It's time to dust off the sunglasses and stock up on sun cream as a lengthy heatwave is predicted.Forecasters say a heatwave is on the way for later this week with temperatures reaching as high as 28C.From tomorrow (Friday, July 16) temperatures are set to soar in King's Lynn.It will reach a high of 22C on Friday, 25C on Saturday and 28C at about 4pm on Sunday with little or […]