UK heatwave mapped: Where is going to be hottest this week as temperatures could hit 40C (opens original article in a new tab)

UK faces extreme heatwave with temperatures potentially hitting 40C, prompting health and travel warnings.

• UK issues red and amber weather warnings as temperatures could reach 40C this week
• Extreme heat may cause health risks, travel delays, and increased demand on emergency services
• High humidity and tropical nights will make it difficult for people to recover from daytime heat