Punjab and Chandigarh are under an orange alert for a severe cold wave and dense fog, expected to persist until January 6. Daytime temperatures remain significantly below seasonal averages, with some districts experiencing maximums around 5.4 degrees Celsius. While night temperatures have seen a slight increase, icy winds from the Himalayas and persistent fog are disrupting daily life and reducing visibility across numerous districts. Authorities advise caution during early morning and late-night travel.