The UK's prolonged heatwave has reached a dramatic turning point, with the Met Office issuing yellow weather warnings for thunderstorms to hit much of the country. A high-pressure system that brought record-breaking temperatures to southern and eastern England is set to give way to a low-pressure system bringing heavy rain, lightning, hail, and strong winds.
Temperatures could reach as high as 28C in parts of England on Friday before the unsettled weather sets in. But it's not just the heat that will be a concern – forecasters predict downpours and electrical storms to cause disruption across large areas, including the South East, East of England, London, the Midlands, and parts of the North West and North East.
The Met Office warns of heavy rain, frequent lightning, hail, and strong gusty winds in these regions. There's a risk of localised flooding, with homes and businesses potentially affected, as well as delays to train and bus services and hazardous driving conditions.
Scotland and Northern Ireland are also under warning, with similar risks of heavy showers and thunderstorms causing travel disruption. Wales is expected to experience similar conditions, with potential for surface water flooding in urban areas and on roads.
The Met Office advises the public to be prepared for these conditions, with practical safety advice including securing loose outdoor items, avoiding unnecessary travel during peak storm times, and being aware of potential power cuts.
Drivers are urged to exercise caution, as sudden heavy downpours can significantly reduce visibility and increase the risk of aquaplaning. The transition marks a stark contrast to the recent warm spell, prompting a need for vigilance across the nation.
This weather pattern is typical for late spring/early summer in the UK, where a build-up of heat and humidity can often trigger convective storms as cooler air masses move in.