Marek Kučera 
On Tuesday, August 12, 2025, the United Kingdom is forecast to experience a significant heatwave, with temperatures expected to reach 36 °C (96.8 °F) in several regions. This level of heat is exceptional for the UK, where summer temperatures typically hover around the low to mid-20s Celsius, making 36 °C an extreme event.
Meteorologists attribute this surge to a strong high-pressure system centered over Western Europe, directing warm air masses from the southern continent northwards. The combination of clear skies, prolonged sunshine, and dry conditions is allowing temperatures to rise rapidly during the day, with limited nighttime cooling in urban areas due to the urban heat island effect.
This forecasted heat poses a number of health risks, especially for vulnerable groups such as the elderly, young children, and those with pre-existing health conditions. Public health officials are issuing warnings to stay hydrated, avoid strenuous outdoor activities during peak hours, and seek cooler environments when possible. The National Health Service (NHS) is preparing for an increase in heat-related illnesses, including heat exhaustion and heatstroke.
Infrastructure may also face challenges, as roads, rail lines, and other transport networks are vulnerable to heat-related damage, including buckling and delays. Additionally, dry conditions elevate the risk of wildfires and strain on water resources, prompting authorities to urge conservation.
Although the UK has seen occasional hot spells in recent years, reaching 36 °C remains a rare and noteworthy occurrence that underscores the ongoing impact of climate change on the region’s weather patterns. This event serves as a reminder that even regions with traditionally mild climates are not immune to extreme heat episodes.
Source: https://x.com/Met4CastUK/status/1954267860198379911/photo/1
