Tamil NaduFriday, 16 October 2026·Hindu Tamil Thisai
Tamil Nadu Northeast monsoon onset and district-wise heavy rain forecast in October 2026
Tamil Nadu’s Northeast monsoon began on October 15, 2026, bringing heavy rain, floods in southern districts, and warnings for multiple districts.
Key highlights
Direct fact
On October 15, 2026, Tamil Nadu’s Northeast monsoon began, and the Meteorological Centre said the Southwest monsoon had withdrawn from the State, with heavy rain affecting southern districts such as Tirunelveli, Thoothukudi and Kanyakumari.
Key specifics
- The monsoon onset was announced for October 15, one day before the RMC’s later public briefing.
- Heavy rain caused flood-like flow on the steps leading to the Palani hill temple.
- In Kanniyakumari district, rain fed the Pechipparai and Perunchani dams with more than 1,000 cusecs of inflow.
- At Courtrallam, sudden flooding led to a ban on bathing in the falls after heavy rain in the hill area.
- The forecast named districts including Nilgiris, Coimbatore, Theni, Dindigul, Madurai and several Delta districts for rain on October 16 and 17.
Exam lens
Question type: Tamil Nadu geography and monsoon current affairs, key facts: October 15, 2026 onset, Palani hill temple, Pechipparai and Perunchani dams, 1,000 cusecs, October 16-17 district forecast. TNPSC one-liner: “Which southern districts and water bodies were highlighted after the Northeast monsoon onset in Tamil Nadu?”