Tamil Nadu is forecasted to experience isolated heavy rainfall today and tomorrow, particularly in the Western Ghats and hill districts. The Regional Meteorological Centre (RMC) has indicated that areas such as Virudhunagar, Dindigul, and Theni could see substantial rain. In Chennai, Chengalpattu, and Kancheepuram districts, light to moderate rain accompanied by thunderstorms and lightning is expected within the next few hours. This weather could lead to waterlogging and slippery roads, affecting traffic. The RMC also predicts light rain with thunderstorms for coastal Tamil Nadu, Puducherry, and Karaikal on Tuesday. Delta Weatherman Hemachander has noted that more summer showers are anticipated over the coming days, particularly in western and southern districts, with a possibility of hailstorms in some interior areas. Meanwhile, temperatures in the Ghat regions of Coimbatore and Nilgiris are significantly below normal, with Kodaikanal recording a low of 11.7°C recently.