During an unprecedented heat spell, Barcelona logged its highest temperature in 112 years, reaching 40.7C on Tuesday.
The scorching heat forced brief shutdowns at French energy reactors.
Spain’s biggest wildfire near Madrid continued to burn, covering nearly 20,000 hectares.
In France, wildfires also spread out of control.
Hail pounded the Balkans, striking homes.
Meanwhile, Scotland and Canada faced individual wildfires under Europe’s volatile weather patterns, raising concerns.
Authorities warned of deteriorating conditions as high temperatures persisted across the continent, exacerbating worries.