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Chennai battered by heavy monsoon rains; over 20 cm falls in day

Chennai and surrounding areas have been inundated with heavy rainfall as the northeast monsoon intensifies across Tamil Nadu and Puducherry. The deluge has brought more than 20 centimeters of precipitation in a single 24-hour period.

LSN India · 18 October 2026

Chennai battered by heavy monsoon rains; over 20 cm falls in day

The Tamil Nadu capital and its adjoining regions are experiencing severe weather conditions as moisture-laden winds associated with the northeast monsoon sweep across the region. Meteorological data indicates that rainfall exceeding 20 centimeters has been recorded within a 24-hour window, raising concerns about waterlogging and potential disruption to daily life.

The northeast monsoon, which typically influences weather patterns across Tamil Nadu and Puducherry between October and December annually, is currently in full swing. This seasonal weather system brings significant precipitation to the coastal and interior regions of the state, and this year's intensity has prompted weather officials to monitor conditions closely.

The rainfall poses potential challenges for urban infrastructure and drainage systems in Chennai, a densely populated metropolitan area. Residents have been advised to remain cautious and stay updated with official weather bulletins as the monsoon continues its course across the region. Authorities are keeping a close watch on weather developments to assess any impact on public services and transportation networks.