Temperatures have already hit 32C (90F) this week and will do so again today before dipping between tomorrow and Friday - then bouncing back at the weekend.
Brits given sunny day sudden holidays to stop them pulling heatwave sickies walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.