The UK is bracing itself for a fifth heatwave of the year, with temperatures forecast to climb dramatically over the coming days. The heatwave is expected to bring sweltering conditions to 27 counties, with temperatures potentially reaching as high as 36°C, according to the latest projections from WXCharts.com.
The most intense heat is predicted to stretch from the South and South East of England through the Midlands and across eastern regions. Meanwhile, Scotland and Northern Ireland will experience milder temperatures, mainly in the teens and low twenties, while western Wales and northern England are expected to be spared the most extreme heat.
In response, the UK Health Security Agency (UKHSA) has issued yellow heat health alerts covering several regions: the East Midlands, West Midlands, South East, South West, East of England, Yorkshire and the Humber, and London. These alerts are in place from 9am on Saturday until 9pm on Tuesday, highlighting potential health impacts due to the high temperatures.
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The Met Office has similarly warned that the heatwave conditions will intensify through the weekend and peak in the middle of next week. Deputy chief forecaster Mike Silverstone explained that after a brief dip in temperatures on Monday, a high-pressure system will settle to the east of the UK, allowing a southerly flow to bring widespread heat.
Mr Silverstone commented, “A fairly widespread heatwave is likely across large parts of England and Wales, with hot conditions developing in several areas. Peak temperatures are expected on Wednesday, with up to 34°C in parts of central and southern England and southeast Wales. East Anglia and south-east England may experience even higher temperatures on Thursday, approaching 36°C. Additionally, rising humidity levels could make conditions feel more uncomfortable, especially overnight.”
Looking further ahead, the long-range forecast for 12th to 21st August indicates a mixed start, with some rain and showers in northern areas accompanied by breezy conditions. Conversely, the south is expected to remain mostly dry, sunny, and hot, possibly very hot in places. However, it is anticipated that southern regions will become cooler and fresher by the following weekend.
Residents across the affected areas are advised to take precautions to stay hydrated and avoid excessive heat exposure as the temperatures rise during this latest spell of hot weather.