The IMD has issued rainfall and heatwave warning for several states/UTs for Tuesday (June 16). Heavy to very heavy rainfall is likely over West Bengal, Sikkim, Arunachal Pradesh, Assam, Meghalaya, Bihar, Karnataka, Tamil Nadu and Puducherry. Meanwhile, heatwave conditions are very likely over Maharashtra. Thundersquall with wind speed reaching 50-60 kmph is likely over Bihar.