Written by Sweety Mishra Kolkata | Updated: September 30, 2025 01:54 PM IST 1 min readWhile Saptami (September 29) saw mostly sunny skies in Kolkata, with no rain reported overnight, the weather is set to turn dramatically.Durga Puja festivities in South Bengal, including Kolkata, are likely to be disrupted by inclement weather conditions as the India Meteorological Department has predicted intense rain starting Navami (October 1), with a warning of very heavy rainfall on Dashami (the day after Navami).While Saptami (September 29) saw mostly sunny skies in Kolkata, with no rain reported overnight, the weather is set to turn dramatically. The forecast indicated scattered thunderstorms and lightning across South Bengal districts on the night of Saptami, accompanied by gusty winds of 30 to 40 kilometres per hour. With a possibility of thunderstorms and lightning in all districts of South Bengal, including Kolkata, there is a heavy rain prediction in Kolkata.Most southern districts are predicted to be “flooded with very heavy rains” on Dashami. There is a warning of heavy rain in Kolkata, Howrah, West Midnapore, Jhargram, East Burdwan, Birbhum, Murshidabad, and Nadia. Heavy to very heavy rainfall (7 cm to 20 cm) is highly likely in North and South 24 Parganas, Hooghly, and East Midnapore, for which an Orange Alert has been issued.Stay updated with the latest - Click here to follow us on Instagram© The Indian Express Pvt Ltd