The India Meteorological Department (IMD) issued a yellow alert in parts of Bihar on Wednesday (03 January). Fog conditions are likely in West Champaran, East Champaran, Shoehar, Gopalganj, Siwan, Sitamarhi, Muzzafarpur, Darbhanga, Madhubhani, Supaul, Saharsa, Araria, Purnia, Kishanganj and Katihar districts.