From noon of October 2, there would be rain in some parts of Kolkata and heavy to very heavy rainfall in coastal districts - South 24 Parganas and Purba Medinipur - which will continue till the next two days, the official said. It said that heavy rain (7-11 cm) is very likely to occur at one or two places over Kolkata and Howrah. Heavy rain (7-11 cm) very likely to occur at one or two places over North 24 Parganas, Jhargram, Bankura, Hooghly and Purulia districts of South Bengal. Heavy to very heavy rain (7-20 cm) very likely to occur at one or two places over Purulia and Paschim Bardhaman districts of South Bengal. "Heavy rain (7-11 cm) very likely to occur at one or two places over Purba and Paschim Medinipur, Jhargram, South 24 Parganas, Birbhum, Murshidabad, Purba Bardhaman and Bankura districts of South Bengal as well", the statement said.