Europe gripped by historic early heatwave with temperatures exceeding 40°C; France under red alert as deaths reported

A powerful and unusually early heatwave has swept across much of Europe in late June 2026, sending temperatures toward or beyond 40 degrees Celsius from the Iberian Peninsula to the Balkans. France is experiencing exceptionally intense conditions, with meteorologists comparing the event to the deadly August 2003 heatwave that killed an estimated 15,000 people, primarily elderly individuals in homes without air conditioning. The national weather service, Meteo France, reported that most of the country is entering conditions unlikely to ease before Friday, with daytime highs above 40 degrees Celsius and nights remaining warm, preventing adequate sleep and recovery.

The heatwave is being driven by a powerful "heat dome" stretching across Western and Central Europe, trapping hot air from North Africa while preventing cooler Atlantic weather systems from providing relief. The phenomenon acts like a saucepan lid, compressing heated air toward the ground. France has placed 49 departments under red alert, while Italy issued its highest-level warnings for several major cities. Temperatures in parts of Portugal, Spain and Italy have already exceeded 40 degrees Celsius, while Germany and Belgium have approached long-standing June records. Several French towns experienced their hottest days on record, with Paris recording its hottest June night at 24.2 degrees Celsius and breaking another June record with 37.7 degrees Celsius recorded in the afternoon.

Deaths have already been reported across the affected region. In France, multiple drownings occurred as people sought relief in rivers despite warnings about currents and dangers. Two children, aged 2 and 4, died in the southern town of Carpentras after being found unconscious in their locked family car, prompting government warnings to parents. The World Health Organization's Europe office noted that over the last four years, more than 200,000 people across Europe died from heat-related causes, with most deaths preventable.

The heatwave is causing widespread disruptions to daily life across the continent. In France, 1,352 schools closed on Monday due to the heat, while several thousand others adjusted schedules, releasing students early and relocating classes to air-conditioned rooms. Rail operators warned that high temperatures were placing additional strain on infrastructure, and in Spain, wildfires along the Madrid-Barcelona corridor disrupted high-speed rail services. Madrid authorities canceled a planned public screening of a FIFA Club World Cup match citing health concerns. The heat has also worsened air quality in Paris, with ozone formation trapping pollution and creating hazardous conditions.

Wildfire risks have intensified across Southern Europe. According to European Union data, 899 recorded wildfires have burned more than 105,000 hectares across the bloc since January, nearly 50% above the 20-year average. Mediterranean Sea surface temperatures now range between 25 and 30 degrees Celsius, several degrees above long-term averages, contributing to environmental stress. Scientists warn that this is not an isolated event but part of a broader warming trend driven by decades of rising greenhouse gas emissions. Europe is the world's fastest-warming continent, with temperatures increasing at twice the speed as the global average since the 1980s. In Italy, some regions are recording temperature anomalies of around 10 degrees Celsius above already elevated climate averages, highlighting the rapid pace of climate change.