CHENNAI: The northeast monsoon rainfall over Tamil Nadu is expected to be normal overall, VR Durai, director of the Chennai Regional Meteorological Centre (RMC), said on Thursday, even as the weather department has forecast heavy rain with thunderstorms and lightning in Chennai and 25 other districts on Saturday. Widespread rain was witnessed in Chennai and its suburbs on Thursday, with the city recording light rain and while suburbs saw moderate to heavy rainfall. Addressing the media, Durai said northern districts are likely to receive below-normal rainfall, southern districts above-normal...