The IMD has issued heavy to extremely heavy rainfall warning for several states/UTs for Saturday (June 27). It is very likely over parts of West Bengal, Sikkim, Assam, Meghalaya, Arunachal Pradesh, Bihar, Chhattisgarh, Andhra Pradesh, Karnataka, Kerala, Goa, Nagaland, Manipur, Mizoram, Tripura, Odisha, Tamil Nadu, Puducherry and Telangana. Meanwhile, heatwave is very likely over parts of UP.