Heavy Rain: The Meteorological Department has announced that heavy rains will lash Tamil Nadu over the next three days, starting today. It has forecast heavy rainfall for Coimbatore and the Nilgiris today, while moderate rain accompanied by thunder and lightning is expected in 20 districts, including Tirunelveli, Tenkasi, Ramanathapuram, Madurai, Virudhunagar, Salem, Thanjavur, and Erode.