Heavy rain, gusty winds forecast for 11 Tamil Nadu districts on May 29
Synopsis
Multiple atmospheric circulations are converging over Tamil Nadu simultaneously — driving heavy rain and gusty winds in western and hilly districts while Chennai braces for near-40-degree heat. The split weather picture, with rain in 11 districts and rising temperatures in the north, underlines the complexity of the state's weather this week.
Key Takeaways
The RMC Chennai has forecast heavy rain and gusty winds across 11 Tamil Nadu districts on Thursday, 29 May .
Heavy rainfall is expected in Nilgiris , Coimbatore , Tiruppur , Dindigul , and Theni ; winds of 40–50 kmph forecast for Vellore , Tirupattur , Krishnagiri , Dharmapuri , Salem , and Erode .
Rainfall is likely to continue into Friday, 30 May in Vellore , Tirupattur , Krishnagiri , Dharmapuri , and Ranipet .
Temperatures in northern interior Tamil Nadu may rise by 2–3 degrees Celsius on Friday.
Chennai is expected to reach a maximum of around 40 degrees Celsius with humid, oppressive conditions.
Fishermen have been warned against venturing into the Tamil Nadu coast , Gulf of Mannar , and parts of the central Bay of Bengal for the next 24 hours .
The Regional Meteorological Centre (RMC) in Chennai has forecast heavy rainfall accompanied by strong winds across 11 districts of Tamil Nadu on Thursday, 29 May, as multiple atmospheric circulations remain active over the region. Fishermen have been warned against venturing into the sea amid squally conditions expected along the Tamil Nadu coast.
Active Weather Systems
According to the RMC, cyclonic circulations are currently active over north Tamil Nadu, the southeast Arabian Sea, and the central east-southeast Bay of Bengal. These overlapping systems are expected to drive widespread rainfall across parts of the state over the next two days.
Districts on Alert Thursday
Heavy rainfall coupled with gusty winds is likely in the Nilgiris, Coimbatore, Tiruppur, Dindigul, and Theni districts on Thursday. Separately, strong surface winds with speeds between 40 and 50 kmph are forecast for Vellore, Tirupattur, Krishnagiri, Dharmapuri, Salem, and Erode. Officials have cautioned that unstable conditions may cause temporary disruptions to daily life, particularly in hilly and western districts expected to receive intense spells.
Friday Outlook: Rain Continues, Temperatures Rise
Rainfall activity is expected to persist into Friday, 30 May, across Vellore, Tirupattur, Krishnagiri, Dharmapuri, and Ranipet districts. In a contrasting development, temperatures in the northern interior of Tamil Nadu are forecast to climb by 2 to 3 degrees Celsius on Friday, heightening heat discomfort even as rain continues in other parts of the state.
Chennai: Humid and Oppressive Conditions
For Chennai and its suburbs, the RMC has forecast partly cloudy skies with heat-related discomfort likely during the day. The maximum temperature in the city is expected to touch around 40 degrees Celsius, making conditions humid and oppressive despite cloud cover.
Fishermen Warning and Coastal Advisory
The meteorological department has issued a formal warning to fishermen advising them not to venture into the sea, citing squally weather over the Tamil Nadu coast, the Gulf of Mannar, and parts of the central Bay of Bengal. Coastal residents and fishing communities have been urged to remain cautious and monitor official weather updates closely, as sea conditions are expected to stay rough over the next 24 hours.
Point of View
And delayed warnings have historically cost lives. Authorities would do well to push real-time updates through local fishing cooperative networks, not just official bulletins.
NationPress
14 Jul 2026
Frequently Asked Questions
Which Tamil Nadu districts are under heavy rain alert on 29 May?
The RMC Chennai has forecast heavy rainfall and gusty winds in the Nilgiris, Coimbatore, Tiruppur, Dindigul, and Theni districts on Thursday, 29 May. Strong surface winds of 40–50 kmph are additionally expected in Vellore, Tirupattur, Krishnagiri, Dharmapuri, Salem, and Erode.
Why is there a fishermen warning along the Tamil Nadu coast?
The meteorological department has warned fishermen not to venture into the sea due to squally weather conditions expected over the Tamil Nadu coast, the Gulf of Mannar, and parts of the central Bay of Bengal. Sea conditions are forecast to remain rough for at least the next 24 hours.
What is causing the heavy rain in Tamil Nadu?
Multiple atmospheric circulations are active simultaneously — over north Tamil Nadu, the southeast Arabian Sea, and the central east-southeast Bay of Bengal. These overlapping systems are driving widespread rainfall across the state over the next two days.
Will the rain continue into Friday, 30 May?
Yes, rainfall activity is expected to persist on Friday in Vellore, Tirupattur, Krishnagiri, Dharmapuri, and Ranipet districts. However, temperatures in the northern interior of Tamil Nadu may also rise by 2–3 degrees Celsius on the same day.
What weather is expected in Chennai on 29 May?
Chennai is forecast to experience partly cloudy skies with heat-related discomfort. The maximum temperature is expected to touch around 40 degrees Celsius, with humid and oppressive conditions despite cloud cover.
