Temperatures are set to rise over the weekend and into next week, but it could bring thunderstorms and flash flooding with it. The Met Office weekend forecast shows it is difficult to predict where the heavy rain will hit, but that it is most likely to be in southern and western areas of Wales and England.
It comes after initial hopes of 23°C. heat that would start this weekend and last into next week. On Saturday May 14, the mercury will edge up to 20C with fine and dry weather for all - but a front coming up from France means that it could all change overnight into Sunday.
The Met Office forecast for Wales says about the outlook for Sunday to Tuesday: " Turning cloudier in the coming days with a risk of showers at times. However, feeling warm in any brighter spells where the cloud breaks."
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