Chennai Weather Today: The deep depression over the Bay of Bengal is expected to intensify into Cyclone Fengal, triggering heavy rain across Tamil Nadu and Puducherry. Several districts, including Chennai, witnessed traffic disruptions due to waterlogged streets, with schools and colleges closed in affected areas. Chief Minister M.K. Stalin has mobilised emergency teams, and fishermen have been advised to stay ashore. Reservoirs in the state have seen a significant rise in water levels, offering a much-needed boost to water resources.