Due to changes in west wind speed, light to moderate rain with thunder and lightning is likely in parts of Tamil Nadu, Puducherry, and Karaikal till July 13. Heat and humidity levels may also remain above normal, says Chennai Meteorological Centre.

Due to changes in west wind speed, light to moderate rain with thunder and lightning is likely in parts of Tamil Nadu, Puducherry, and Karaikal till July 13. Heat and humidity levels may also remain above normal, says Chennai Meteorological Centre.