As conditions were favourable for the further advance of the southwest monsoon in Tamil Nadu over the next three to four days starting today, the weather office in Chennai said that heavy rain is expected in more than 15 districts of the State.

A latest bulletin from the Regional Meteorological Centre in Chennai today said that heavy rain with thunderstorm and lightning with gusty winds with speeds reaching 40-50 kmph is expected to occur at Western Ghats areas of Tirunelveli, Kanyakumari, Nilgiris, Coimbatore, Erode, Salem, Dharmapuri, Krishnagiri, Tirupattur, Vellore, Ranipet, Tiruvannamalai,Villupuram, Kallakurichi, Theni, Dindigul, Cuddalore and Mayiladuthurai districts.

The report further said that due to heavy rain, there would be a gradual fall in maximum temperatures from May 11 to 14 over Tamil Nadu, Puducherry and Karaikal.

– PTI