Temperature records are breaking and triggering government warnings, with London hitting 95 degrees the past two days. Experts say unpredictable and extreme weather is becoming more frequent.

Temperatures hit record highs for May in the United Kingdom and France on Monday, as forecasters warned of a prolonged period of extreme heat across Europe throughout the week.

The UK’s Met Office said Monday was the hottest May day on record, with the mercury hitting 33.5C at Heathrow near London by 1pm.