The IMD has issued cold wave to severe cold wave warning for Himachal Pradesh, Jharkhand, Odisha, Rajasthan, Haryana, Chandigarh, Delhi and Punjab for Wednesday. Meanwhile, cold day and ground frost warning has been issued for Uttarakhand. Dense to very dense fog is likely over Assam, Meghalaya, Bihar, UP, Himachal Pradesh, J&K, Ladakh, Odisha, Uttarakhand, Haryana, Chandigarh, Delhi, Punjab.