By Thursday temperatures in the city will reach a scorching 31C – hotter than these popular holiday destinations...
1. Rio de Janeiro (27C)
Rio de Janeiro will be a 'cool' 27C compared to Sheffield's 31C on Thursday. (Photo: YASUYOSHI CHIBA/AFP/Getty Images) Photo: YASUYOSHI CHIBA
2. Ibiza (30C)
Sheffield will be a notch hotter than the Spanish party island this week. (Photo by Sean Gallup/Getty Images) Photo: Sean Gallup
3. Mauritius (25C)
The island paradise will be 6C cooler than Sheffield. (Photo by Warren Little/Getty Images) Photo: Warren Little
4. Orlando (30C)
Orlando won't quite be as hot as Sheffield. (Photo by Mark Ashman/Disney Parks via Getty Images) Photo: Handout