Natasha Hinde Wed, June 24, 2026 at 12:07 p.m. UTC 2 min read Add Yahoo as a preferred source to see more of our stories on Google. A rare red 'extreme heat' warning is now in force for much of southern and central England and Wales – and oh boy, is it hot. Temperatures will exceed 30°C on Wednesday and Thursday, with a peak of around 37°C possible on Wednesday and 38°C on Thursday and Friday, the Met Office said.