London Daily

Focus on the big picture.
Saturday, Mar 21, 2026

Millions swelter as UK endures its 1st extreme heat warning

Millions of people in Britain stayed home or sought shade Monday during the country’s first-ever extreme heat warning, as the hot, dry weather that has scorched mainland Europe for the past week moved north, buckling rail lines and forcing two airports to close their runways.
The red heat alert covers a big chunk of England and is to last through Tuesday, when temperatures may reach 40 degrees Celsius (104 degrees Fahrenheit) for the first time, posing a risk of serious illness and even death among healthy people, according to the Met Office, the U.K.’s meteorological agency.

The extreme heat warning stretches from London in the south to Manchester and Leeds in the north.

The temperature Monday reached 38.1 C (100.6 F) at Downham in eastern England, just shy of the highest-ever recorded in Britain — 38.7 C (101.7 F), a record set in 2019. The country isn’t at all prepared to handle such heat — most homes, schools and small businesses in Britain don’t have air conditioning.

Wales provisionally recorded its highest-ever temperature, the Met Office said: 37.1 C (95.5 F) at Hawarden in northeastern Wales.

At least four people were reported to have drowned across the U.K. in rivers, lakes and reservoirs while trying to cool off.

Flights were suspended at London’s Luton Airport as engineers repaired the runway “after high surface temperatures caused a small section to lift.” RAF Brize Norton, a major air force base northwest of London, also closed its runway because of the heat. The air force said “aircraft are using alternative airfields in line with a long established plan.”

Temperatures are expected to rise further as the warm air moves north on Tuesday, Met Office CEO Penelope Endersby said.

“So it’s tomorrow that we’re really seeing the higher chance of 40 degrees (104 F) and temperatures above that,” Endersby told the BBC. “Forty-one isn’t off the cards. We’ve even got some 43s in the model, but we’re hoping it won’t be as high as that.”

Hot weather has gripped southern Europe since last week, triggering wildfires in Spain, Portugal and France. Almost 600 heat-related deaths have been reported in Spain and Portugal, where temperatures reached 47 C (117 F) last week.

Climate experts warn that global warming has increased the frequency of extreme weather events, with studies showing that the likelihood of temperatures in the U.K. reaching 40 C (104 F) is now 10 times higher than in the pre-industrial era. Drought and heat waves tied to climate change have also made wildfires harder to fight.

Officials in southern France’s Gironde region announced plans to evacuate an additional 3,500 people from towns threatened by the raging flames. More than 1,500 firefighters and water-bombing planes are trying to douse the flames in the region’s tinder-dry pine forests.

In Britain, train operators asked customers not to travel unless absolutely necessary, saying the heat was likely to warp rails and disrupt power supplies, leading to severe delays. Some routes were running at reduced speed or shutting down entirely in the afternoon amid peak temperatures.

Medical appointments were canceled to relieve strains on the National Health Service. Some schools closed while others set up wading pools and water sprays to help children cool off. Most British schools have not yet closed for the summer.

The extreme heat even led Parliament to loosen its strict dress code. The Speaker of the House of Commons said male lawmakers could dispense with jackets and ties for the week.

The high temperatures are even more of a shock since Britain usually has very moderate summer temperatures. Across the U.K., average July temperatures range from a daily high of 21 C (70 F) to a low of 12 C (53 F).

But nightfall on Monday will bring little relief from the heat, with the Met Office forecasting temperatures of 29 C (84 F) at midnight in London. Monday night will be “very oppressive” and it will be difficult to sleep, Chief Meteorologist Paul Davies said.

“Tomorrow is the day where we are really concerned about a good chance now of hitting 40 or 41 C, and with that all the health conditions that come with those higher temperatures,” he said.
Newsletter

Related Articles

0:00
0:00
Close
Meghan Markle’s Possible UK Return Sparks Renewed Attention on Sussex Role
Starmer Convenes Urgent Talks on Cost-of-Living Pressures Linked to Iran Conflict
Starmer Convenes Urgent Talks on Cost-of-Living Pressures Linked to Iran Conflict
UK Investors Eye Bargain Shares Ahead of ISA Deadline Amid Market Volatility
UK Investors Eye Bargain Shares Ahead of ISA Deadline Amid Market Volatility
Northern Lights Expected Over UK Skies Tonight Amid Strong Solar Activity
UK Condemns Iran Missile Strike and Warns Against Threats to British Personnel
UK Warns of Global Flight Disruptions as Iran Conflict Escalates Under Trump’s Leadership
UK Condemns Iran After Missile Strike Targets Strategic Diego Garcia Base
Deadly Meningitis Outbreak in UK Reinforces Urgency of Vaccination Campaigns
Iran Launches Long-Range Missile Strike on Remote US-UK Base, Signaling Expanded Reach
Iran Launches Long-Range Missile Strike on Remote US-UK Base, Signaling Expanded Reach
UK Rules Out Cyprus Base Role in Joint US Self-Defence Framework
UK Ends Hereditary Peerage Rights in Parliament in Historic Constitutional Reform
Lord Walney Warns of Expanding Iranian Influence Networks Within the United Kingdom
Iranian National Among Two Arrested After Attempt to Access UK Nuclear Submarine Base
Deregulation, Artificial Intelligence, and Fraud Laws Reshape UK Financial Services Landscape
UK Considers Lower Speed Limits to Reduce Fuel Use Amid Escalating Energy Crisis
UK Borrowing Costs Surge to Post-Crisis High as Markets React to Inflation and War Risks
UK Government Prepares Emergency Economic Measures as Iran Conflict Fuels Financial Risks
Meningitis B Outbreak in the UK Raises Urgent Health Warnings as Cases Surge
Iran Issues Stark Warning to Britain Over US Base Access Amid Expanding Conflict
United Kingdom Authorizes US Strikes from British Bases as Iran Threatens Key Shipping Routes
Reform UK Suspends Scottish Candidate Following Financial Misconduct Allegations
Apple issues an unusual warning: this is how your iPhone can be hacked without you doing anything
UK and Nigeria Reach Agreement to Accelerate Return of Irregular Migrants
UK Sets New Aid Priorities Following Significant Budget Reductions
Cyprus President Urges Open Dialogue Over Future of British Sovereign Base Areas
Cyprus President Urges Open Dialogue Over Future of British Sovereign Base Areas
UK Plans 50% Steel Tariffs in Bold Move to Protect Domestic Industry
Iran Conflict Sends Shockwaves Through UK Economy as Energy Costs and Trade Risks Surge
UK Health Officials Warn Kent Meningitis Outbreak Still Active as Cases Continue to Rise
UK Climate Progress Faces Scrutiny Over Reliance on Carbon Accounting Methods
UK Deploys Advisers to United States to Shape Plan for Reopening Strait of Hormuz
Amazon Bets on AI-Driven Alexa Upgrade to Revive UK Smart Speaker Market
UK Abortion Law Changes Spark Strong Response from Church Leaders and Pro-Life Advocates
UK Abortion Law Changes Spark Strong Response from Church Leaders and Pro-Life Advocates
GB News Faces Regulatory Complaints Over On-Air Remarks on ‘Genocide’ Claims
UK Signals Expanded Support for Gulf Allies as Iranian Attacks Intensify Regional Threats
UK VAT Decision Opens Path for Potential Refunds to U.S. Biopharma Firms
UK and Canada Advance ‘Middle Power’ Strategy to Shape Global Influence Beyond Superpowers
Google Explores AI Opt-Out Features in Search to Address UK Regulatory Concerns
Google Explores AI Opt-Out Features in Search to Address UK Regulatory Concerns
UK Fuel Prices Poised to Surge as Global Tensions Drive Oil Market Volatility
UK Fuel Prices Poised to Surge as Global Tensions Drive Oil Market Volatility
UK Holds Back on Hormuz Escort Mission While Continuing Talks with Allies
TrumpRx Pricing Platform Faces Scrutiny as Some Medicines Remain Costlier Than in the UK
UK, Netherlands and Finland Explore Joint Defence Investment Bank to Boost Military Capability
Deadly Meningitis Outbreak in Kent Raises Alarm as Cases Surge and Emergency Response Expands
UK Security Adviser Viewed US-Iran Nuclear Deal as Within Reach Before Sudden Escalation
×