Districts like Kolkata, Howrah, Hooghly, North & South 24 Parganas, East & West Medinipur, East Bardhaman, Nadia, Murshidabad, and Birbhum will likely see moderate to heavy rain with thunderstorms. You can also expect gusty winds blowing at 30 to 40 km/h. This might lead to waterlogging, traffic jams, and some disruption to daily life.