The Met Office has issued a yellow warning for heavy showers and thunder across parts of England, Wales and Northern Ireland.
A report by the UN's Intergovernmental Panel on Climate Change is the first to quantify the likelihood of extreme events across a wide variety of scenarios.
Sunday is looking pretty wet, with almost all parts of the UK due to some heavy showers.
A drier, hotter August could be in sight, forecasters said.
Thunderstorms continue to batter large parts of the UK causing heavy rain and risks of flash flooding.
Some areas could see up to 100mm of rain, the Met Office has warned.
Six flood alerts have been issued in England as a result of the storm.
The Met Office said the newly named storm will bring ‘unseasonably strong winds and heavy rain’.
Deluges are expected across the UK and 15 flood alerts have been issued by the Scottish Environment Protection Agency.
The video was filmed in Guazhou County in Gansu Province on July 25.
Whipps Cross Hospital in east London cancelled all surgery and outpatient appointments on Monday due to the heavy rain.
German Chancellor Angela Merkel was due to visit Schuld, a village near Ahrweiler that was devastated by the flooding, on Sunday.
Health authorities have warned people to practise caution in the hot weather, staying hydrated, applying sunscreen and not leaving children or pets in cars.
Officials fear that more bodies might be found in cars and trucks that were swept away.
The mercury could reach 32C in the south east, with dry and fine weather forecast for most of the UK.
Hundreds of people are still missing and thousands are homeless after days of heavy storms that caused flash floods in Germany and Belgium.
Temperatures are expected to reach highs of 31C (87.8F) on Sunday and Monday.
Authorities have declared an emergency in the affected region after days of heavy rain.
A video posted on Twitter showed water pouring down the stairs at Sloane Square tube station.
The majority of the deaths occurred in the western state of Rajasthan, where 11 people died after being struck by lightning near a watchtower at the 12th century Amber Fort, po…