A cyclonic circulation over the Comorin area is likely to bring rain along with isolated thunderstorms to Tamil Nadu, Kerala, and Lakshadweep in the coming days. Another cyclonic circulation is predicted to form over the South Andaman Sea, which is likely to develop into a low-pressure area by the end of weekend. Moderate rains, along with lightning and thunderstorms, is possible over Tamil Nadu, Puducherry, Karaikal, Kerala, and Mahe and the Andaman and Nicobar Islands Thunderstorms expected to be scattered across Tamil Nadu, Kerala, Lakshadweep, and the Andaman & Nicobar Islands, while isolated rainfall is expected over Mizoram, Manipur, and Tripura in next 2-3 days. Dense to very dense fog is forecast for isolated pockets of Punjab, Haryana, Chandigarh, Delhi, Himachal Pradesh and Uttarakhand during the late night and early morning hours.