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Environment & Climate

Extreme heat surpasses 40C across southern Europe as warnings expand

Spain recorded its annual high temperature while orange heat alerts spread across multiple European countries.

Updated Sep 5, 2026 · 01:19 UTC1 reports

The short version

  • Temperatures topped 40C in parts of France and Spain, with El Granado reaching 45.7C to set Spain's highest temperature of the year.[BBC News]
  • Orange extreme heat warnings were enacted through Saturday in Spain, southern France, Bosnia and Herzegovina, and Serbia.[BBC News]
  • The warm air mass is expected to briefly elevate weekend temperatures in the UK before cooler weather returns.[BBC News]

Key facts

  • France and Spain experienced temperatures exceeding 40C as hot air moved north from North Africa.[BBC News]
  • El Granado in south-west Spain recorded 45.7C, the country's highest temperature of the year.[BBC News]
  • Orange extreme heat warnings were declared through Saturday across Spain, southern France, Bosnia and Herzegovina, and Serbia.[BBC News]
  • Central Mediterranean sea surface temperatures remain approximately 4C above average in some areas.[BBC News]

What remains uncertain

  • Forecasters project cooler Atlantic air will follow the weekend warm spell in the UK, making a prolonged heatwave over the next 10 days unlikely.[BBC News]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.