The India Meterological Department (IMD) has forecast heavy rain at one or two places over coastal and delta districts of Tamil Nadu, Puducherry and Karaikal on Monday. Thunderstorm and lightning is likely at one or two places over the State and Puducherry.
The showers brought in by the cyclonic circulation lying over southwest and adjoining southeast Bay of Bengal between 3.1 km and 5.8 km above mean sea level, is likely to bring down temperatures.
