Amid record heat, Barcelona logged its highest temperature in 112 years, reaching 40.7C on Tuesday.
The intense heat forced temporary shutdowns at French nuclear reactors.
Spain’s largest wildfire near Madrid continued to rage, covering nearly 20,000 hectares.
In France, wildfires also escalated out of control.
Hail lashed the Balkans, affecting homes.
Meanwhile, Scotland and Canada faced separate wildfires under Europe’s volatile weather patterns, raising concerns.
Authorities alerted of deteriorating conditions as high temperatures persisted across the continent, exacerbating worries.