Fresh weather system to fuel another spell of heavy rain in Tamil Nadu
A fresh weather system forming over the Bay of Bengal is expected to bring heavy rainfall to Tamil Nadu through October 27. The Northeast monsoon has intensified, causing waterlogging in Chennai and raising water levels in major reservoirs.
Why it matters
Severe monsoon weather directly impacts daily life, urban infrastructure, and water resource management in major southern Indian cities like Chennai.
Fresh weather system to fuel another spell of heavy rain in Tamil Nadu left Following overnight rains across Chennai, Woods Road in the city is waterlogged on October 21, 2026 R. Ragu https://th-i.thgim.com/public/news/national/tamil-nadu/308mvn/article71606663.ece/alternates/FREE_1200/WhatsApp%20Image%202026-10-21%20at%2012.51.21%20PM.jpeg The spell of wet weather is expected to continue till October 27, 2026, with a low-pressure area forming over southwest Bay of Bengal off Tamil Nadu’s coast during early hours of October 21 CHENNAI The Northeast monsoon has become vigorous, bringing heavy overnight rainfall to several parts of Tamil Nadu. With a fresh weather system taking shape over the Bay of Bengal on Wednesday, widespread rain is likely to continue, particularly over southern and delta districts, over the next few days. The spell of wet weather is expected to continue till October 27, with a low-pressure area forming over the southwest Bay of Bengal, off Tamil Nadu’s coast, during the early hours of Wednesday.
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