Cold U-Turn? Fog Havoc in Cities, IMD Issues Alert for Sudden Weather Change

• IMD warns of sudden weather changes, with a potential cold U-turn.
• Delhi-NCR to experience sunshine (11-23°C) but dense morning fog and cold evenings.
• Light rain and snow expected in J&K-Ladakh; cold alert for Himachal, Punjab, Haryana, Chandigarh, North Rajasthan, MP, Chhattisgarh.
• Dense fog in East UP, frost in Uttarakhand; Bihar to have fog for 3 days (10-25°C).
• New Western Disturbance to bring light rain to Rajasthan; mountain activity remains high.