Intensifying Southwest Monsoon to bring heavy rains to Tamil Nadu's ghat regions.
Districts including Nilgiris, Coimbatore, and Theni are expected to face rainfall until Monday.
Temperatures are forecast to drop across Tamil Nadu, Puducherry, and Karaikal from June 22 to 24.
Fishermen warned of 40 kmph winds in the Bay of Bengal from June 23 to 24.