Chennai Weather Live Updates: The Indian Meteorological Department (IMD) has predicted heavy to very heavy rainfall over Tamil Nadu and Kerala during the next 2-3 days. As per IMD Chennai, heavy to very heavy rain is likely to occur at one or two places over Toothukudi, Ramanathapuram, Pudukkottai, and Sivaganga districts of Tamil Nadu while heavy rain is likely to occur at one or two places over Kanyakumari, Tirunelveli, Thanjavur, Tiruvarur, Nagapattinam, Madurai, Mayiladuthurai, Tenkasi, Virudhunagar districts of Tamil Nadu and Karaikal area.