A man holds a fence bearing a sign reading "flooded road" near his house on May 31, 2016 in Meung-sur-Loire southern Orleans, as the Loiret department is under flood alert and France's weather agency Meteo France maintained 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

A car is blocked in the middle of a flooded road on May 31, 2016 in Meung-sur-Loire southern Orleans, following heavy rainfalls, as the Loiret department is under flood alert and France's weather agency Meteo France maintained 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

A car is blocked in the middle of a flooded road on May 31, 2016 in Meung-sur-Loire southern Orleans, following heavy rainfalls, as the Loiret department is under flood alert and France's weather agency Meteo France maintained 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

A picture taken on May 31, 2016 in Meung-sur-Loire southern Orleans shows a flooded road following heavy rainfalls, as the Loiret department is under flood alert and France's weather agency Meteo France maintained 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

A fireman crosses a flooded road with a person on his back following heavy rainfalls on May 31, 2016 in Meung-sur-Loire southern Orleans, as the Loiret department is under flood alert and France's weather agency Meteo France maintained 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

A fireman crosses a flooded road with a person on his back following heavy rainfalls on May 31, 2016 in Meung-sur-Loire southern Orleans, as the Loiret department is under flood alert and France's weather agency Meteo France maintained 18 departments under orange alert. / AFP PHOTO / GUILLAUME SOUVANTGUILLAUME SOUVANT/AFP/Getty Images

LONDON, ENGLAND - MAY 31: A woman's umbrella is blown inside out as she crosses a bridge in rain and wind on May 31, 2016 in London, England. Heavy rain hit parts of England today as the Met Office issued weather warnings for rain and forecasters predicted thick cloud over London for much of the week. (Photo by Carl Court/Getty Images)

TOPSHOT - View of the river Seine near the Notre Dame cathedral after its banks became flooded following heavy rainfalls on May 31, 2016 in Paris. France's weather agency Meteo France maintained today 18 departments under orange alert for heavy rainfalls, which have already disrupted transports in the northeastern part of the country. / AFP PHOTO / JOEL SAGETJOEL SAGET/AFP/Getty Images