Parts of North coastal TN, including Chennai, likely to receive heavy rainfall on October 27

CHENNAI: IMD has retained the orange alert, which was issued for a few north coastal districts in Tamil Nadu, including Chennai, for Monday. The alert was retained even with weather models suggesting the cyclonic system over the southeast Bay of Bengal is likely to cross the Andhra Pradesh coast between Machilipatnam and Kalingapatnam around Kakinada on Tuesday night. Tamil Nadu and Chennai may not witness heavy rainfall in November, said weather bloggers. Kancheepuram, Tiruvallur, Ranipet, and Chennai may receive heavy rains on Monday, along with isolated places in Villupuram and Chengalpattu. Tiruvallur might receive heavy rains on Tuesday, due to the impact of the system, while isolated places of Kancheepuram, Chengalpattu, Chennai, Tenkasi, Kanniyakumari and ghat areas of Tirunelveli are also expected to receive rainfall. Cyclone Montha likely to spare North TN; Andhra coast braces for landfall Tomorrow (Monday), weather models predict a very good chance for rain in Chennai, said weather blogger Pradeep John, adding that areas like Pulicat, Gummidipoondi and Ponneri were sure to receive rain. The IMD said on Sunday evening that isolated places over Chengalpattu, Chennai, Kancheepuram, Ramanathapuram, Sivaganga, Tirupattur, and Villupuram may receive light to moderate rain, and Ranipet, Tiruvallur and Vellore may receive moderate rain. With the depression in South Bay intensifying to a Deep Depression earlier today morning it's movement over the next 24 hours could decide the rainfall impact for North Coastal TN tomorrow. Ensembles trend indicate a slight westward and southward shift in possible path for this pic.twitter.com/aTyNR9kXyh Chennai Rains (COMK) (@ChennaiRains) October 26, 2025