The Regional Meteorological Centre in Chennai has issued a heavy rain warning for 14 districts in Tamil Nadu on May 4, the day election results are scheduled to be announced.

According to the forecast, heavy rain is likely in Theni, Dindigul, Karur, Tiruppur, Coimbatore, Erode, Nilgiris, Namakkal, Tiruchirappalli, Salem, Perambalur, Ariyalur, Kallakurichi and Tiruvannamalai.

The weather office also listed districts that may receive heavy rain on other days. On May 2, heavy rain is likely in Theni, Madurai, Dindigul, Karur, Tiruchirappalli, Tiruppur, Coimbatore and Nilgiris; on May 3, in Coimbatore, Tiruppur, Dindigul and Theni.

For May 5, the alert covers Theni, Dindigul, Tiruppur, Coimbatore, Nilgiris, Erode, Namakkal, Salem, Dharmapuri and Krishnagiri. On May 6, heavy rain is likely in Kanniyakumari, Tirunelveli, Tenkasi, Theni, Coimbatore and Nilgiris; on May 7, in Kanniyakumari, Tirunelveli, Tenkasi, Thoothukudi, Virudhunagar, Theni, Madurai, Dindigul, Tiruppur, Coimbatore and Nilgiris; and on May 8, in Nilgiris, Erode, Coimbatore, Tiruppur, Dindigul, Pudukkottai, Theni, Madurai, Sivaganga, Virudhunagar, Ramanathapuram, Tenkasi, Thoothukudi, Tirunelveli and Kanniyakumari.