IMD forecasts heavy rain in 22 Tamil Nadu districts over next 2 days
Synopsis
A sudden shift in atmospheric circulation over the Kumari Sea has triggered heavy rainfall across Tamil Nadu, with the IMD placing 22 districts on alert for thunderstorms and gusty winds. While the showers offered relief from a brutal heat wave, they also claimed one life in Erode and flooded harvest-ready paddy fields in Karur.
Key Takeaways
The IMD has forecast heavy rain with thunderstorms across 22 Tamil Nadu districts over the next two days.
The weather shift is attributed to atmospheric circulation over the Kumari Sea region.
A woman died in Modakurichi near Erode after a compound wall collapsed due to heavy rain.
Waterlogging was reported in Coimbatore and several villages in Karur , where paddy fields ready for harvest were submerged.
Erode had been recording temperatures above 40 degrees Celsius before the sudden showers brought relief.
Chennai may receive moderate rain in isolated areas, with temperatures expected to stay below 38 degrees Celsius .
The India Meteorological Department (IMD) has forecast widespread heavy rainfall across Tamil Nadu over the next two days, with 22 districts expected to receive intense showers accompanied by thunderstorms and lightning. The weather department attributed the sudden change in conditions to prevailing atmospheric circulation over the Kumari Sea region.
Districts on Alert
According to the IMD, districts including Nilgiris, Coimbatore, Sivaganga, Ramanathapuram, Erode, Tiruppur, Dindigul, Madurai, Theni, Tenkasi, Virudhunagar, Tirunelveli, Kanniyakumari, Thoothukudi, Tiruchy, Namakkal, and Karur are expected to witness heavy rain and gusty winds. Chennai may receive moderate rainfall in isolated areas, with temperatures in the city expected to remain below 38 degrees Celsius.
Relief and Disruption Across the State
The unexpected summer showers brought much-needed relief from scorching heat across several parts of Tamil Nadu. In Coimbatore, heavy rain lashed areas including Singanallur, Peelamedu, Ganapathy, Puliyakulam, Gandhipuram, Ukkadam, Pappanaickenpalayam, and Kuniyamuthur for more than an hour on Friday night. Waterlogging was reported in several low-lying areas, causing inconvenience to motorists and residents. Rainfall was also recorded in Thondamuthur, Perur, Madampatti, Alandurai, and Devarayapuram, bringing temperatures down significantly.
Erode, which had been reeling under temperatures exceeding 40 degrees Celsius over the past few days, witnessed sudden showers in Erode city, Villarasampatti, and Chithode. The Nilgiris district, including Udhagamandalam, Devala, Thorapalli, and Pandalur, experienced continuous showers resulting in chilly weather conditions. Heavy rain was also reported in parts of Ariyalur, Salem, Tiruvarur, and Karur districts.
Tragedy and Agricultural Losses
The rains also caused tragedy in some regions. In Modakurichi near Erode, a woman died after a compound wall collapsed due to heavy rainfall. In Karur, several villages were inundated, submerging paddy fields that were ready for harvest — compounding concerns for farmers already strained by the prolonged heat wave. Intermittent rain accompanied by thunder and lightning was also reported across Kanniyakumari and nearby regions, including Nagercoil.
What to Watch
With atmospheric circulation over the Kumari Sea persisting, the IMD's two-day forecast window means residents in low-lying and flood-prone districts should remain on alert. Authorities are expected to monitor river levels and drainage infrastructure as rainfall intensity could vary. Similar pre-monsoon circulation patterns in past years have occasionally extended beyond initial forecast windows, warranting continued vigilance across the state.
Point of View
Where the gap between heat wave and sudden downpour is shrinking. The IMD's forecast accuracy in such short-duration, high-intensity events has improved, but last-mile communication to rural districts and flood-prone urban pockets like Coimbatore remains the weak link. One death from a wall collapse in Erode also raises questions about structural safety in areas that see repeated cycles of extreme heat followed by sudden heavy rain.
NationPress
9 May 2026
Frequently Asked Questions
Which Tamil Nadu districts are under heavy rain alert?
The IMD has placed 22 districts on alert, including Nilgiris, Coimbatore, Sivaganga, Ramanathapuram, Erode, Tiruppur, Dindigul, Madurai, Theni, Tenkasi, Virudhunagar, Tirunelveli, Kanniyakumari, Thoothukudi, Tiruchy, Namakkal, and Karur, among others. These districts are expected to receive intense showers with thunderstorms and gusty winds over the next two days.
What caused the sudden heavy rain in Tamil Nadu?
The IMD attributed the sudden change in weather to prevailing atmospheric circulation over the Kumari Sea region. This pre-monsoon weather system triggered widespread rainfall across multiple districts.
Was there any loss of life due to the Tamil Nadu rains?
Yes, one woman died in Modakurichi near Erode after a compound wall collapsed due to heavy rainfall. The incident highlights the structural risks posed by sudden, intense downpours in the region.
How has the rain affected agriculture in Tamil Nadu?
In Karur district, several villages were inundated, submerging paddy fields that were ready for harvest. The flooding poses a significant threat to farmers who had been waiting to bring in their crop after enduring a prolonged heat wave.
Will Chennai receive heavy rain as well?
Chennai is expected to receive only moderate rainfall in isolated areas, according to the IMD. Temperatures in the city are forecast to remain below 38 degrees Celsius during this period.
