Heavy to very heavy rainfall is likely at isolated places in Arunachal Pradesh, Assam, Meghalaya and Odisha on Friday (July 17). Heavy rainfall is likely over parts of Bihar, Chhattisgarh, Madhya Pradesh, Uttar Pradesh, Jharkhand, Nagaland, Manipur, Mizoram, Tripura, Uttarakhand, Maharashtra, West Bengal and Sikkim. Meanwhile, heatwave conditions are likely over pats of Tamil Nadu and Puducherry.