Chennai weather: Brace for waterlogging, traffic chaos as IMD forecasts more rain today

Chennai rain

After heavy rain lashed parts of Chennai on Friday due to an atmospheric disturbance, the India Meteorological Department (IMD) has forecast more rain in the city today and has placed Tamil Nadu's capital under a 'Yellow alert', indicating light shower, Livemint reported.

With the city likely to experience one or two light to moderate spells for today, the more rain will cause waterlogging and traffic snarls in the southern part of the city.

As per the report, the weather department has predicted "moderate thunderstorm and lightning with moderate rain" over Chennai, Thiruvallur, Chengalpattu, Kancheepuram, Ranipet, Tiruvannamalai, Villupuram districts of Tamil Nadu and Puducherry.

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— IMD-Tamilnadu Weather (@ChennaiRmc) August 22, 2025

Areas like Royapettah, Mylapore, T Nagar, Triplicane, Avadi, Porur, Maduravoyal, and Poonamallee saw light rain on Friday evening. As per the report, the rain followed an early morning downpour that recorded 12 cm in Okkiyam Thoraipakkam, 11 cm in Injambakkam and RA Puram, 10 cm in Adyar, 5 cm in Nungambakkam, and 3 cm in Meenambakkam.

Following Friday showers, the weather department extended its heavy rain warning to cover Chennai and Tiruvallur, in addition to Chengalpet, Kancheepuram, and eight other districts. Meteorologists were quoted by Mint as saying that the rainfall was caused by a cyclonic circulation over the southwest Bay of Bengal, extending towards the south Andhra Pradesh–north Tamil Nadu coast.