The India Meteorological Department (IMD) has forecast heavy rainfall over coastal and South Interior Karnataka, Kerala, Mahe, Tamil Nadu and Puducherry for the next 2-3 days. The IMD said thunderstorms accompanied with lightning and gusty winds may prevail over Andhra Pradesh, Telangana, Uttarakhand, Sub-Himalayan West Bengal, Sikkim, Nagaland, Manipur, Mizoram and Tripura tomorrow. Meanwhile, Konkan and Goa may experience Hot and Humid weather tomorrow.