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