Heavy rainfall has disrupted flight operations at Chennai Airport, with 11 services cancelled. Low-lying areas in Chennai, including Manali and Thiruvottiyur, are at risk of waterlogging due to overnight rain. Squally winds pose risks to coastal infrastructure and fishing activities. The IMD has issued heavy rain warnings for Theni, Dindigul, Ramanathapuram, and other southern districts later in the week, increasing the risk of flooding and landslides in vulnerable areas.