BBC Weather predicts persistently hot conditions for London on July 13, 2026. Severn Trent Water reports unprecedented need amid the heatwave. Parts of the UK, including eastern regions, face hosepipe bans. While the heatwave has no confirmed end date, temperatures remain dangerously high. This week’s Belgian Grand Prix will proceed as planned, with the BBC offering live coverage. Organizers insist the Formula 1 race will unfold on time despite the extreme weather.