Archive · 24 Aug 2026
Moderate Rain, Thunderstorms Forecast Across Chennai, Tamil Nadu Districts
Weather officials expect rain and thunderstorms in Chennai and many parts of Tamil Nadu on Monday.
Some places may also have strong, gusty winds.
The hill areas of Coimbatore and the Nilgiris could receive heavier rain.
The rain may not fall equally everywhere, so conditions can change from one locality to another.
A weak weather system near the Tamil Nadu coast is helping cause the unsettled weather.
Temperatures should stay close to normal until August 27.
The sea may be rough, with winds reaching up to 65 kilometres per hour.
Fishermen and small-boat operators are advised to follow official warnings and stay alert.
Moderate rain with thunderstorms and gusty winds is forecast for Chennai, Chengalpattu and several Tamil Nadu districts on Monday.
Heavy showers are possible in isolated parts of the Coimbatore and Nilgiris hills on Monday and Tuesday.
A weak low-pressure system over coastal Tamil Nadu is expected to bring unsettled weather to Tamil Nadu and Puducherry.
Daytime temperatures in Tamil Nadu and Puducherry should remain near normal through August 27.
Squally winds of up to 65 km per hour are forecast along the Tamil Nadu coast, Gulf of Mannar and adjoining Comorin Sea, prompting caution for fishermen.
- Who
- The Chennai Regional Meteorological Centre and the Meteorological Department issued the forecasts and advisories; fishermen and small-boat operators are affected.
- What
- Moderate rain, thunderstorms, gusty winds and isolated heavy showers are forecast, along with rough sea conditions.
- When
- The main forecast is for Monday, with heavy rain possible in the hill regions on Monday and Tuesday; temperatures are expected to remain near normal through August 27.
- Where
- Chennai, Chengalpattu, several Tamil Nadu districts, Puducherry, the Tamil Nadu coast, the Gulf of Mannar and adjoining parts of the Comorin Sea.
- Why
- A weak low-pressure system persists in the lower atmosphere over coastal Tamil Nadu, while the system and associated weather are expected to produce rain and unsettled conditions.
- Rainfall outlook
- Moderate rain with thunderstorms is likely at isolated places across Chennai, Chengalpattu and several Tamil Nadu districts on Monday.
- Heaviest rain risk
- Isolated heavy showers are possible in the hill regions of Coimbatore and the Nilgiris on Monday and Tuesday.
- Weather system
- A weak low-pressure system persists in the lower levels of the atmosphere over coastal Tamil Nadu.
- Temperature outlook
- Daytime temperatures across Tamil Nadu and Puducherry are expected to stay close to normal through August 27.
- Wind forecast
- Squally winds may reach up to 65 km per hour along and off the Tamil Nadu coast, over the Gulf of Mannar and adjoining parts of the Comorin Sea.
- Safety advice
- Fishermen and small-boat operators have been urged to follow official marine weather advisories and remain alert to stronger winds and reduced visibility.