Cold northwesterly winds continue to blow over northern, central and western India on Friday. Cold wave conditions are likely over Punjab, Haryana, Delhi, Rajasthan, Uttar Pradesh, Madhya Pradesh, Gujarat, Jammu and Kashmir, Himachal Pradesh, Uttarakhand, Jharkhand and Bihar. A cyclonic circulation over northeastern India may bring scattered snow and rain over Arunachal Pradesh, Assam, Meghalaya, Nagaland, Manipur, Mizoram, Tripura and Sikkim on Friday. Thunderstorms and hail are likely over Meghalaya. Dense fog is likely over Sikkim.A trough (relative low-pressure area) over southern India brings rain and thunderstorms over Kerala and isolated rain over Andhra Pradesh and Tamil Nadu on Friday.