Amber heat health warnings have been issued across large parts of southern and eastern England as the UK prepares for a second significant heatwave within three weeks. Temperatures are forecast to reach as high as 34°C in some areas over the weekend and into early next week, with humidity levels expected to make the conditions feel particularly uncomfortable.

The UK Health Security Agency (UKHSA) has placed amber heat alerts in effect for London, the South East, South West, and East of England from Friday afternoon through to 8 p.m. on Tuesday, while yellow heat-health alerts cover the East and West Midlands. These warnings indicate an increased risk of adverse health effects across the wider population, with vulnerable groups such as the elderly and people with pre-existing health conditions especially at risk.

Dr. Agostinho Sousa, head of extreme events and health protection at UKHSA, emphasized the importance of taking sensible precautions during sustained warm weather periods, noting that serious health outcomes, including heatstroke, can result from extreme heat. He also urged health and social care services in affected regions to prepare for increased demand, highlighting the potential for heightened pressure on medical resources.

Forecasts from the Met Office indicate temperatures reaching 32°C on Friday in East Anglia, a brief dip to 28°C on Saturday as warmer air temporarily moves away, followed by a return to around 32°C on Sunday in southern and south-eastern England. Monday could see highs of up to 34°C as warm conditions build again from continental Europe. Some forecasters have noted a 40% chance of surpassing the UK's June temperature record of 35.6°C, set in 1957 and 1976.

While southern and eastern England face the heat, northern and western regions are expected to experience more moderate temperatures closer to seasonal averages. The Met Office predicts chances of thunderstorms particularly in the East and West Midlands, and potentially across central, southern, and south-eastern parts of England, with localized heavy downpours and lightning possible.

Climate experts note that this season’s heatwaves form part of a broader pattern linked to global warming. The recent May heatwave set a record with temperatures exceeding 35°C, marking the hottest May day on record in both England and Wales. That event also coincided with tragic consequences, as reports indicated as many as 15 deaths last month related to individuals taking risks in open water to cool down.

Authorities have advised the public to remain vigilant and take precautions during the hot spell. The AA recommends motorists check vehicle conditions such as tires, oil, and coolant before travel, and cautions against leaving vulnerable passengers or pets in parked cars due to rapid temperature increases inside vehicles. They also advise avoiding travel during the hottest parts of the day when possible.

As the UK braces for the heatwave, public health bodies and meteorologists urge residents to stay hydrated, limit strenuous outdoor activities during peak heat, and keep an eye on weather updates to effectively manage risks posed by the rising temperatures.