Chennai and several Tamil Nadu districts are likely to receive moderate rain with thunderstorms and gusty winds on Monday, while isolated heavy showers are forecast in the hill regions of Coimbatore and the Nilgiris.

CHENNAI, India — Moderate rain is expected across Chennai and several parts of Tamil Nadu on Monday, August 24, with thunderstorms and gusty winds likely in a number of districts. The Chennai Regional Meteorological Centre said a weak low-pressure system in the lower levels of the atmosphere over the Tamil Nadu coastal region is expected to keep weather conditions unsettled across parts of the state and neighbouring Puducherry.
Key Highlights
- Chennai and several Tamil Nadu districts are likely to receive moderate rain with thunderstorms on Monday.
- Isolated heavy showers are forecast in the hill regions of Coimbatore and the Nilgiris on Monday and Tuesday.
- Squally winds of up to 65 kmph are expected along and off the Tamil Nadu coast, the Gulf of Mannar and adjoining parts of the Comorin Sea.
Chennai and Tamil Nadu districts face rain and thunderstorms
The weather office forecast moderate rain with thunderstorms at isolated places in the Western Ghats districts as well as Chengalpattu, Chennai, Tiruvallur, Kancheepuram and Ranipet.
Similar weather conditions, along with strong surface winds, are expected in parts of Vellore, Tiruvannamalai, Villupuram, Kallakurichi, Cuddalore, Salem, Madurai and Tirupattur. Puducherry is also likely to experience similar conditions.
Heavy rain possible in Coimbatore and Nilgiris
Rainfall is expected to remain scattered, with the intensity varying significantly between locations. The hill areas of Coimbatore and the Nilgiris could receive heavier spells than other parts of the state.
According to the meteorological forecast, isolated places in these two hill districts may experience heavy rain accompanied by thunderstorms on Monday and Tuesday. Residents and travellers have been advised to remain alert to sudden weather changes.
Temperatures likely to stay near normal
Despite the rain forecast, daytime temperatures across Tamil Nadu and Puducherry are expected to remain close to normal through August 27. The department has forecast no significant departure from seasonal temperature conditions.
Cloudy skies and intermittent showers could, however, provide temporary relief from the heat in some locations during the forecast period.
Chennai rain forecast comes with sea warning
The Meteorological Department has also warned of rough sea conditions over the next four days. Squally winds reaching up to 65 kmph are likely along and off the Tamil Nadu coast, over the Gulf of Mannar and adjoining parts of the Comorin Sea.
Fishermen and operators of small boats have been urged to exercise caution and follow official marine weather advisories before entering the affected waters. Those already at sea have been advised to remain alert to sudden strengthening of winds and reduced visibility during rain and thunderstorms.
Weather conditions may remain unsettled
Isolated showers may occur in other parts of Tamil Nadu during the forecast period. The weak low-pressure system over the coastal region is expected to contribute to the unsettled conditions across parts of Tamil Nadu and neighbouring Puducherry.
For hill districts, residents and travellers should remain particularly attentive to official weather updates during periods of heavy rainfall and thunderstorms.
Frequently Asked Questions
Which Tamil Nadu areas are likely to receive moderate rain?
Chennai, Chengalpattu, Tiruvallur, Kancheepuram, Ranipet and parts of the Western Ghats are among the areas where moderate rain with thunderstorms is forecast.
Where is heavy rain expected in Tamil Nadu?
Isolated heavy showers are forecast in the hill regions of Coimbatore and the Nilgiris on Monday and Tuesday.
How strong can the coastal winds become?
Squally winds may reach speeds of up to 65 kmph along and off the Tamil Nadu coast, over the Gulf of Mannar and adjoining parts of the Comorin Sea.
How long are near-normal temperatures expected?
Daytime temperatures across Tamil Nadu and Puducherry are expected to remain close to normal until August 27.
With scattered rainfall, thunderstorms and rough sea conditions forecast across different areas, residents, travellers and marine operators are advised to follow the latest official weather and marine advisories.

Praveen Yadav is the Founder and Editor at The Nation Bulletin. With over 3 years of experience in digital journalism and news reporting, he covers national affairs, governance, and breaking current events with a commitment to factual accuracy and verified reporting.


