Heavy rain alert: 22 Tamil Nadu districts brace for storms on June 2
Synopsis
A cyclonic circulation over south Kerala is pushing the monsoon into overdrive across Tamil Nadu — 22 districts face heavy rain, thunderstorms, and lightning on 2 June, with no let-up forecast for a week. From Coimbatore to Kanniyakumari, the western and southern districts are on alert, while Chennai swelters at 40°C with only isolated showers.
Key Takeaways
The Regional Meteorological Centre (RMC) has issued a heavy rain warning for 22 Tamil Nadu districts on 2 June .
A cyclonic circulation over south Kerala and adjoining Tamil Nadu is drawing moisture from the Arabian Sea , sustaining the weather system.
Heavy rain, thunderstorms, and lightning are forecast to continue across Tamil Nadu and Puducherry for the next seven days .
Districts most affected include Coimbatore , Nilgiris , Tirunelveli , Kanniyakumari , and Madurai , among others.
Chennai is forecast to remain hot and humid at around 40°C , with only isolated light showers possible.
Authorities have advised residents in low-lying and hilly areas to stay alert and monitor official bulletins.
The Regional Meteorological Centre (RMC) has forecast heavy rain accompanied by thunderstorms and lightning across 22 districts of Tamil Nadu on Tuesday, 2 June, as a cyclonic circulation persists over south Kerala and adjoining Tamil Nadu regions. The weather system is expected to sustain widespread rainfall across Tamil Nadu and Puducherry for the next seven days.
Districts Under Heavy Rain Alert
The 22 districts placed under heavy rainfall warning include Nilgiris, Coimbatore, Tiruppur, Dindigul, Theni, Karur, Namakkal, Erode, Salem, Tiruchirappalli, Dharmapuri, Krishnagiri, Tirupattur, Vellore, Ranipet, Tiruvannamalai, Madurai, Virudhunagar, Tenkasi, Tirunelveli, Thoothukudi, and Kanniyakumari. Western, central, and southern districts are expected to bear the brunt of the activity.
On Tuesday and Wednesday, districts including Nilgiris, Coimbatore, Theni, Tiruppur, Tenkasi, Dindigul, Tirunelveli, Kanniyakumari, Erode, Namakkal, and Salem are forecast to receive heavy showers. Dharmapuri, Krishnagiri, Tirupattur, Vellore, Ranipet, and Tiruvannamalai are also expected to see similar conditions.
What Is Driving the Weather System
Meteorologists attribute the intensified rainfall to a cyclonic circulation over south Kerala and adjoining Tamil Nadu, which is drawing moisture from the Arabian Sea and surrounding regions. This is fuelling increased cloud formation and widespread thunderstorm activity across the southern peninsula. The system comes amid strengthening monsoon conditions over the region, with atmospheric dynamics remaining favourable for further development throughout the week.
Notably, gusty winds and lightning are expected at isolated locations alongside the heavy rain, prompting authorities to urge residents to exercise caution during thunderstorm episodes.
Chennai Outlook
The state capital Chennai is set for a different experience — generally cloudy skies with hot and humid conditions are expected to prevail. The city is forecast to record a maximum temperature of around 40 degrees Celsius. No major rainfall has been predicted for Chennai, though isolated light showers may occur in parts of the city and its suburbs.
Advisories and Precautions
Officials have advised residents in low-lying and hilly areas to remain on alert, monitor official weather bulletins regularly, and take necessary precautions as heavy rain, thunderstorms, and lightning are expected across several districts over the coming days. The weather system is likely to keep conditions unsettled across many parts of Tamil Nadu through the week ahead.
Point of View
Such combinations have produced rainfall that outpaces official forecasts within 24 to 48 hours. Authorities in hilly districts like Nilgiris and Theni, which have seen landslip-triggering downpours in recent years, should be on heightened watch. The week-long outlook also raises questions about agricultural impact in rain-shadow districts that have shifted to alert status — a dimension the official advisory does not address.
NationPress
19 Jul 2026
Frequently Asked Questions
Which 22 Tamil Nadu districts are under heavy rain alert on 2 June?
The 22 districts under heavy rain warning are Nilgiris, Coimbatore, Tiruppur, Dindigul, Theni, Karur, Namakkal, Erode, Salem, Tiruchirappalli, Dharmapuri, Krishnagiri, Tirupattur, Vellore, Ranipet, Tiruvannamalai, Madurai, Virudhunagar, Tenkasi, Tirunelveli, Thoothukudi, and Kanniyakumari. Western, central, and southern parts of the state are expected to be most affected.
What is causing heavy rain in Tamil Nadu right now?
A cyclonic circulation persisting over south Kerala and adjoining Tamil Nadu is drawing moisture from the Arabian Sea, creating conditions favourable for widespread thunderstorms and heavy rainfall. Strengthening monsoon activity over the southern peninsula is amplifying the system's impact.
How long will the heavy rain continue in Tamil Nadu?
According to the Regional Meteorological Centre, the weather system is expected to keep conditions unsettled across Tamil Nadu and Puducherry for approximately the next seven days. Heavy rain is forecast to persist especially in western and southern districts through at least Wednesday.
What is the weather forecast for Chennai on 2 June?
Chennai is expected to remain hot and humid on 2 June, with a maximum temperature of around 40 degrees Celsius and generally cloudy skies. No major rainfall has been forecast for the city, though isolated light showers may occur in some areas and suburbs.
What precautions have authorities advised during the Tamil Nadu rain alert?
Officials have advised residents — particularly those in low-lying and hilly areas — to remain alert, monitor official weather bulletins regularly, and take necessary precautions given the risk of heavy rain, lightning, and gusty winds at isolated locations across several districts.
