The country is bracing itself for another scorching day as England's heat health alerts are extended across almost the entire region, with temperatures expected to soar to a record-breaking 34C on Friday. The third significant heatwave of the year has already seen eight days of temperatures reaching or exceeding 34C – a new calendar year record that surpasses previous highs set in 1976 and 2020.
The amber alerts, which signify a potential significant impact on health services and travel disruption, remain in place until 21:00 BST on Sunday. NHS England has warned its ambulance services are experiencing "sustained pressure" due to the extreme heat, while rail passengers have been advised to prepare for disruptions, with several operators reporting service suspensions or urging only essential travel.
While temperatures may not break daily records like those seen in June, the prolonged duration of the elevated temperatures could last until next week, worst-affected areas forecasted in southern and eastern England. The heat has added pressure to events like Wimbledon, where players are receiving extra hydration and cooling measures.
The UK's electricity grid operator, Neso, has requested more power generation during this period, citing a possible "tight electricity margins" on Thursday evening – although it does not indicate a risk of widespread shortages or blackouts. Health authorities are strongly advising the public to take the heat seriously, particularly concerning vulnerable groups.
Practical advice from health experts includes staying indoors during peak heat hours (12:00-16:00), wearing light clothing, and ensuring good ventilation. The Welsh Ambulance Service has specifically warned that dehydration and fatigue could increase the risk of falls. Individuals should consult their GP or call NHS 111 for medical advice.