Highest ever UV levels predicted today before thunderstorms end UK heatwave 25th June 2020 Local News UK News Britain could see its highest UV levels ever recorded on Thursday as the UK’s heatwave continues – before thunderstorms and torrential rain bring an abrupt end to the baking hot weather. Share this:TwitterFacebookWhatsAppEmailPrintMoreLinkedInRedditTumblrPinterestPocketTelegramSkype