By a Staff Reporter: Rain with thunder is expected in East Burdwan's Kalna of South Bengal from 2 AM today. Similarly, the sky of Kalna is covered with dark clouds shortly after 2 am. It can rain at any moment. Rain with thunder will occur till 5 am. Then the rain is likely to stop. The temperature in Kalna will be 28 degrees Celsius till 5 am. Click to get live weather updates.