Delhi experienced dense fog and biting cold winds on December 30, leading to travel disruptions and discomfort. The India Meteorological Department (IMD) issued an orange alert for December 30 and a yellow alert for December 31, forecasting dense to very dense fog. Daytime temperatures are expected between 20-21°C, with minimums around 7-9°C. Cold conditions and fog are predicted to intensify, with rain anticipated on January 1, potentially impacting New Year celebrations.