Low - Pressure Area to Form Today; Northeast Monsoon Likely in Tamil Nadu Within Two Days

The India Meteorological Department (IMD) has forecast the formation of a new low-pressure area over the southeast Bay of Bengal on October 13, 2026. The system could bring heavy rainfall to Tamil Nadu from October 15.

According to the IMD, the southwest monsoon is likely to withdraw from Tamil Nadu within the next two days, paving the way for the Northeast Monsoon to begin.

Rain Forecast for Tamil Nadu

On October 13, moderate rainfall is likely in Thanjavur, Tiruvarur, Pudukkottai, Nagapattinam, Mayiladuthurai, Ramanathapuram, Thoothukudi, Tirunelveli and Kanniyakumari districts.

Light rain is possible in the remaining districts of Tamil Nadu.

The developing weather system may bring heavier rainfall from October 15, according to the forecast.