The India Meteorological Department (IMD) has forecast heavy to very heavy rainfall in parts of Kerala and Mahe today. Places over Andaman and Nicobar Islands, Andhra Pradesh, Coastal and South Interior Karnataka, Lakshadweep, Tamil Nadu, Puducherry and Karaikal are also expected to receive moderate to heavy rainfall during the next 2-3 days. The weather agency further predicted thunderstorms and lightning conditions today in parts of Odisha, South Interior Karnataka, Andaman and Nicobar Islands, Kerala, Mahe, and Lakshadweep.