Light to moderate Rain with TS is very likely to occur at isolated places over Cpattu, Chennai, Dharmapuri, Dindigul, Kallakurichi, Kanche, Karur, Madurai, Namakkal, Perambalur, Ramanathapuram, Ranipet, Salem, Tenkasi, Thanjavur, Theni, Thiruvallur, Thiruvarur, Thoothukudi, Trichy Tvmalai in next 3 hours.