Flash Flood Risk on Friday, 18 September 2026: Chennai on Alert Today
Chennai is on a WATCH for flash flood risk today, Friday, 18 September 2026. Approximately 13 mm of rain is expected, with bursts up to 11 mm/hr. Residents should monitor conditions closely.
Chennai is on a WATCH for flash flood risk today, Friday, 18 September 2026, due to forecast rainfall and intense hourly bursts. The city can expect approximately 13 mm of rain throughout the day, with the potential for hourly intensities reaching up to 11 mm/hr.
| Cities and Areas on Alert — Friday, 18 September 2026 | ||
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Chennai
Watch — 13 mm rain expected — bursts up to 11 mm/hr |
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Residents in Chennai should be aware of possible waterlogging and consider avoiding low-lying areas. The forecast suggests potential travel delays. This alert is based on river-discharge and rainfall forecast models, which indicate conditions could change.
The outlook is derived from analyses comparing GloFAS river-discharge forecasts to local median flows, alongside precipitation predictions. Conditions are dynamic and subject to revision as the day progresses.
Disclaimer: AI tools assisted in compiling the foundational data and research for this report. The final content was reviewed, edited and verified by human editors at LatestLY.
(The above story first appeared on LatestLY on Sep 18, 2026 08:06 AM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).