The hottest day in 40 years was seen in the French capital Paris as the mercury hit 36 degrees Celsius (96.8 Fahrenheit), and could go as high as 39 degrees (102.2 F) in some cities.
French weather officials have issued an “orange alarm” warning in 25 cities due to hot weather.
In the U.K., temperatures are expected to climb to 38.5 degrees Friday, as the hottest day of the year was seen on Thursday with thermometers reaching 35.1 degrees.The hot weather has caused travel disruptions and water shortages.
British authorities have also warned the public of thunderstorms, torrential downpours, and flash floods expected to hit the country Friday afternoon.
The hottest-ever day in the country was in 2003, with 38 degrees Celsius.
Meanwhile, a report by a parliamentary committee warned on Thursday that deaths due to hot weather could rise to 7,000 in the next 35 years, if the government fails to take necessary precautions.
More than 2,000 people died over 10 days in 2003, when the country was hit by a heat wave.Northern Europe and Scandinavia not spared Belgium also recorded its hottest day since 2006 as temperatures rose to over 34 degrees on Thursday.The mercury is predicted to hit 37 degrees on Friday in the country, where torrential rain and thunderstorms are also expected in the evening hours.
The third-hottest day in the last hundred years in the Netherlands was seen on Thursday, when temperatures soared to 38.2 degrees. The hottest days in the country were recorded in 1947 and 1944, with 38.4 and 38.6 degrees respectively.
Sweden also saw its hottest days since 1966, as temperatures shot to 35 degrees Celsius in the city of Hestveda.People flocked to parks and pools as the temperatures hit 34 degrees in the capital Stockholm.
The extreme heat caused forest fires in 23 areas in Sweden as well. Turkish Ambassador to Sweden Hakkı Emre Yunt told Anadolu Agency that a Turkish firefighting plane will be sent to Sweden.