Amid record heat, Barcelona recorded its highest temperature in 112 years, reaching 40.7C on Tuesday.
The intense heat forced short-term shutdowns at French nuclear reactors.
Spain’s largest wildfire near Madrid continued to flame, covering nearly 20,000 hectares.
In France, wildfires also raged out of control.
Hail pounded the Balkans, damaging homes.
Meanwhile, Scotland and Canada faced separate wildfires under Europe’s turbulent weather patterns, triggering concerns.
Authorities alerted of worsening conditions as high temperatures persisted across the continent, intensifying worries.