Amid record heat, Barcelona recorded its highest temperature in 112 years, reaching 40.7C on Tuesday.
The scorching heat forced brief shutdowns at French nuclear reactors.
Spain’s largest wildfire near Madrid continued to rage, 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, raising concerns.
Authorities cautioned of worsening conditions as high temperatures persisted across the continent, heightening worries.