Light to Moderate Rain with thunderstorm and lightning is likely to occur at most places over Coimbatore, Cuddalore, Mayiladuthurai, Nagapattinam, Namakkal, Pudukkottai, Ramanathapuram, Salem, Sivaganga, Thanjavur, Thiruvarur, Tirunelveli, Viluppuram, Virudhunagar in next 3 hours.