A low-pressure area formed in the east-central and southeast Bay of Bengal on October 23, 2026. The India Meteorological Department said this system will likely become a cyclone, crossing the Odisha-Andhra Pradesh coast by October 28. Meanwhile, heavy rains already started in Tamil Nadu, causing traffic snarls in many areas.
The weather system over the Bay of Bengal is likely to intensify into a cyclone and cross the southern Odisha–northern Andhra Pradesh coast by October 28. According to the India Meteorological Department’s (IMD) Bhubaneswar Met Centre, a low-pressure area over east-central and adjoining southeast Bay of Bengal persisted over the same region at 8.30 a.m. on Friday (October 23, 2026).
The IMD predicted moderate to heavy rainfall across Tamil Nadu and Puducherry until October 26. General moderate rainfall is expected over the next two days in Chennai and its neighbourhood, with potential for heavy downpour on Saturday (October 24, 2026) and Sunday (October 25, 2026).
Heavy rains lashed Tiruchi and other delta districts on Friday evening. The heavy rain, accompanied by lightning and thunder, slowed down traffic during the evening peak hours. Traffic snarls were reported in several parts of the city.