Light to moderate Rain with Thunderstorm is likely to occur at isolated places over Coimbatore, Dindigul, Erode, Kancheepuram, Karur, Krishnagiri, Madurai, Namakkal, Salem, Tenkasi, Theni, The Nilgiris, Thoothukkudi, Tirunelveli, Tiruppur, Vellore, Virudhunagar in next 3 hours.