Tamil Nadu Weather Alert: Heavy Rain Expected in 3 Districts Today; New Low-Pressure Area Likely Around November 13

The India Meteorological Department (IMD) has forecast heavy rainfall in three districts of Tamil Nadu, with thunderstorms and strong winds expected in isolated areas. Meanwhile, a new low-pressure area is likely to develop over the southeast Bay of Bengal around November 13, potentially bringing another spell of rainfall to the state during the second week of November.

According to the Chennai Regional Meteorological Centre, an upper-air circulation that prevailed last week may contribute to the formation of a low-pressure area over the southeast Bay of Bengal during the first half of the second week of November.

New Low-Pressure Area Likely Over Bay of Bengal

The weather department has indicated that a low-pressure area may form over the southeast Bay of Bengal around November 13.

There is also a low possibility of the system intensifying into a depression over the southwest Bay of Bengal around November 15.

Additionally, a trough extending from the southeast Arabian Sea and adjoining Kerala towards south interior Karnataka is prevailing at an altitude of approximately 0.9 km.

Heavy Rain Warning for Three Tamil Nadu Districts Today

According to the weather forecast, Madurai, Theni and Dindigul districts are likely to receive heavy rainfall at isolated places, accompanied by thunderstorms and strong winds.

The following districts are expected to receive moderate rainfall with thunderstorms and strong winds at isolated locations:

Chengalpattu, Villupuram, Cuddalore, Mayiladuthurai, Nagapattinam, Tiruvarur, Thanjavur, Virudhunagar, Tenkasi, Thoothukudi, Ramanathapuram, Sivaganga, Pudukkottai, Tirunelveli, Kanniyakumari, Coimbatore, Nilgiris

Other parts of Tamil Nadu may receive light rainfall accompanied by thunderstorms at a few places.

Chennai Weather Forecast Today

Chennai and its surrounding areas are likely to experience partly cloudy skies. Light rain accompanied by thunderstorms may occur in a few parts of the city.

Residents are advised to remain cautious during thunderstorms and strong winds.

Temperature to Remain Relatively Stable

The weather department has stated that there is little chance of significant changes in maximum temperatures across Tamil Nadu, Puducherry and Karaikal until November 10. However, temperatures may decrease slightly during this period.

Tamil Nadu Weather Outlook for November 2026

With a possible low-pressure area developing over the Bay of Bengal around November 13 and heavy rainfall forecast in several districts, rainfall activity is expected to remain an important weather concern across Tamil Nadu during the second week of November.

Residents are advised to follow the latest IMD weather bulletins and district-wise rainfall w warnings.