Heatwave Peaks Today as Hosepipe Bans Reach Eight Million Homes
Britain’s third heatwave of the year peaks on Thursday, with temperatures forecast to reach around 35C in parts of southern England and yellow heat-health alerts from the UK Health Security Agency in force until Friday evening. Forecasters warn of extreme wildfire conditions on tinder-dry ground. Water restrictions now cover more than eight million households, with fresh hosepipe bans from Cambridge Water and Affinity Water taking effect on Friday. A cooler, more unsettled spell is expected to arrive from Saturday.
This heatwave is not forecast to break records, unlike the fierce spells of May and June, but its danger lies in the accumulation: southern England has now met the heatwave threshold for well over a week, the ground is parched, and the wildfire risk has climbed to extreme. The heat’s quieter toll runs alongside the fire risk — the open-water drownings that spike in every hot spell, the strain on an NHS already stretched, and the warm nights that fall hardest on the old and the ill. The spread of hosepipe bans to more than eight million homes is a measure of how a dry winter and a run of heatwaves have drained a system with little slack, reviving the argument over the water companies’ decades of under-investment. Relief is forecast from the weekend, though it may arrive as thunderstorms carrying their own risk of flash flooding. Watch today’s peak temperature, whether the alerts are raised, and whether the Environment Agency moves to declare a drought.