During an unprecedented heat spell, Barcelona recorded its highest temperature in 112 years, reaching 40.7C on Tuesday.
The extreme heat forced short-term shutdowns at French energy reactors.
Spain’s largest wildfire near Madrid continued to rage, covering nearly 20,000 hectares.
In France, wildfires also raged out of control.
Hail battered the Balkans, damaging homes.
Meanwhile, Scotland and Canada faced separate wildfires under Europe’s turbulent weather patterns, raising concerns.
Authorities warned of deteriorating conditions as high temperatures persisted across the continent, intensifying worries.