Amid record heat, Barcelona noted 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 burn, covering nearly 20,000 hectares.
In France, wildfires also escalated out of control.
Hail lashed the Balkans, striking homes.
Meanwhile, Scotland and Canada faced individual wildfires under Europe’s unstable weather patterns, raising concerns.
Authorities cautioned of deteriorating conditions as high temperatures persisted across the continent, heightening worries.