Three people have been found dead following heavy flooding in Prato in Tuscany.
As much as 30 cm of rain fell in two hours causing widespread havoc.
It is believed the victims are Chinese immigrant workers who were found submerged in their car.
Floods are also being reported in the Liguria region where many rivers have burst their banks.
Genoa airport was closed as result of the extreme weather.
Extensive damage to site of the International Boat Show has caused problems for the organisers.
Downpours are expected to continue for at least the next 24 hours with forecasters predicting than the rains will ease by Wednesday.