Heatwave Set to Intensify Across the UK
The United Kingdom is experiencing its third heatwave of the year, which is expected to intensify this week following a slight temperature decrease for some areas on Monday.
More locations in England and Wales may see temperatures surpassing 30°C, with forecasts indicating that some places could approach mid-30s Celsius. Heatwave thresholds might also be briefly reached in parts of Scotland and Northern Ireland due to rising humidity levels nationwide.
Amber and yellow heat health alerts issued by the UK Health Security Agency (UKHSA) remain in effect until 21:00 BST on 15 July. These alerts warn of significant impacts on health and social care services due to high temperatures, including an increase in deaths, particularly among individuals with health conditions or those aged 65 and over.
Meanwhile, firefighters continue to combat wildfires across England and Wales, with emergency services cautioning that the risk remains "extreme."
In Conwy, north Wales, a mountain wildfire that began on Sunday forced evacuations in a rural community and has been declared a major incident. One family evacuated reported that the fire reached their driveway, coming within 200 meters of their home.
Additional wildfires were reported over the weekend in Greater Manchester, Hampshire, County Durham, Derbyshire, East Sussex, West Sussex, Devon, and Somerset.
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"The fire came down the mountain towards us," a family member said amid evacuation efforts.
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Heat and Humidity Expected to Increase
Brisk north-easterly winds and lower humidity, influenced by an area of high pressure in northern Scotland, have temporarily eased the recent intense heat, especially in central and eastern UK regions.
Temperatures in England and Wales on Monday will be lower than recent days but could still reach highs of 30°C in some southern counties. This means that for some locations, the streak of consecutive days with temperatures at or above 30°C will enter its second week.
Some areas in Northern Ireland and western Scotland may also reach their heatwave threshold temperature of 25°C. Conversely, North Sea coastal regions will remain cooler, with temperatures around 16°C to 21°C.
After a brief dip, temperatures are set to rise again this week.
By midweek, a low-pressure system over France will bring lighter easterly winds to the UK, resulting in a return to slightly more humid conditions. Temperatures are expected to increase across most areas, peaking on Thursday.
Forecasts predict readings around 26°C or 27°C in western Scotland and Northern Ireland. More areas in England and Wales will experience highs near 30°C, with some weather models suggesting isolated peaks of 34°C or 35°C.
The UK has already recorded nine days this year with temperatures reaching 34°C or higher, surpassing the previous record years of 1976 and 2020 by two days.
Night-time temperatures are also expected to rise, with the possibility of several 'tropical nights' where temperatures remain above 20°C.
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Health Alerts and Elevated Fire Risk
Amber heat health alerts issued by the UKHSA were extended on Sunday to include the West Midlands and south-west England, remaining in force until 21:00 BST on 15 July. Lower-level yellow warnings are also active for north-west England, East Midlands, east of England, south-east England, and the London area for the same period.
The prolonged hot and dry conditions have increased wildfire risk, particularly in England and Wales. Over the weekend, lower humidity and stronger winds raised the fire risk to "exceptional" in parts of southern England.
This risk is expected to decrease slightly as winds ease and the chance of showers increases marginally. However, fire risk will rise again across central and eastern England starting Wednesday.
When Will the Heatwave End?
Although sporadic thunderstorms may occur later this week in southern UK regions, a widespread cooldown remains uncertain. Weather models indicate a likely shift to more northerly winds over the coming weekend, which could bring lower temperatures.
However, the extent of cooling is unclear, and high pressure may quickly re-establish, potentially returning parts of the UK to heatwave conditions. This situation also implies that many areas will continue to experience little or no rainfall.
For the latest temperature updates, users are advised to consult the BBC Weather app.
Related Information
- Is there a hosepipe ban in my area? What you need to know
- Are we in for a summer of serial heatwaves?
- How hot a 1976-style heatwave would be today
