Dense fog to return over North India on Saturday after unexpected rain Thick fog is likely over Punjab and the northern districts of Rajasthan, with conditions favourable for reduced visibility during morning and late-night hours. AdvertisementThick fog is likely over Punjab and the northern districts of Rajasthan, with conditions favourable for reduced visibility during morning and late-night hours. India Today Science DeskNew Delhi,UPDATED: Jan 9, 2026 20:24 ISTDense fog is set to return across large parts of north India on January 10, after an unusual rain dipped temperatures drastically in several parts on Friday. Thick fog is likely over Punjab and the northern districts of Rajasthan, with conditions favourable for reduced visibility during morning and late-night hours. Devendra Tripathi, founder of Mausam Tak and a prominent weather vlogger for Kisan Tak, said Several districts of Haryana may also be impacted. Fog could extend into parts of Delhi-NCR, central Uttar Pradesh and northern Madhya Pradesh, although a marginal improvement is expected compared to previous days. advertisement Despite the fog, cold conditions will persist across the region.