Bay of Bengal Low-Pressure Area Likely to Intensify; Rain Forecast for Tamil Nadu

The India Meteorological Department (IMD) has forecast that a low-pressure area over the Bay of Bengal is likely to intensify into a depression on October 31, 2026. The weather system is expected to bring rainfall to several districts of Tamil Nadu over the coming days.

The low-pressure area formed over the south Andaman Sea and adjoining regions on October 29. It continued to persist over the same areas as of 8:30 AM on October 30.

According to the IMD, the system is likely to move west-northwestwards and intensify into a depression over the southeast Bay of Bengal, adjoining Andaman and Nicobar Islands, and the Andaman Sea on October 31.

Low-Pressure System Likely to Move Towards Andhra Pradesh

After intensifying, the weather system is expected to move west-northwestwards towards the Andhra Pradesh coast over the next two days.

The system`s movement is likely to influence weather conditions across Tamil Nadu, bringing rainfall to coastal areas and districts along the Western Ghats.

Tamil Nadu Rain Forecast for October 31

On October 31, light rainfall is likely at isolated places in the Western Ghats districts and coastal Tamil Nadu, as well as in Puducherry and Karaikal.

The remaining districts of Tamil Nadu are expected to experience generally dry weather.

Tamil Nadu Weather Forecast for November 1

The IMD has forecast light to moderate rainfall accompanied by thunderstorms, lightning and strong winds at isolated places on November 1.

The districts likely to receive rainfall include:

- Northern coastal Tamil Nadu

- Western Ghats districts

- Madurai

- Tiruchirappalli

- Namakkal

- Salem

- Erode

- Karur

Residents in these areas are advised to monitor official weather updates and take necessary precautions during thunderstorms and strong winds.

Chennai Weather Forecast

Chennai and its suburban areas are expected to experience partly cloudy skies on October 31, with light rainfall possible in a few parts of the city.

The maximum temperature is likely to be around 35°C to 36°C, while the minimum temperature may remain between 26°C and 27°C.

The IMD will continue to monitor the low-pressure system over the Bay of Bengal and issue updates as its movement and intensity evolve.