Tamil Nadu Rain Alert: Heavy Rain Likely in 6 Districts on April 30, IMD Forecast
Tamil Nadu is likely to experience a significant increase in rainfall activity over the coming days, with the Chennai Meteorological Centre issuing a heavy rain alert for six districts on April 30, 2026.
As per the latest forecast, Dharmapuri, Krishnagiri, Salem, Erode, Nilgiris, and Coimbatore districts are expected to receive heavy rainfall in isolated places on April 30. The weather department has also indicated that rainfall activity will continue into early May.
Heavy Rain Forecast for May 1 & 2
The rainfall is expected to persist on May 1 and May 2, with heavy rain likely in the following districts:
- Nilgiris
- Coimbatore
- Tiruppur
- Theni
- Dindigul
Reason Behind the Rainfall
According to the meteorological department, the rainfall is due to an atmospheric trough extending from central Madhya Pradesh to the Comorin region, passing through Vidarbha, interior Karnataka, Rayalaseema, and Tamil Nadu at around 0.9 km above sea level. This system is enhancing moisture levels and triggering rainfall across the state.
Tamil Nadu Weather Forecast (April 27 – May 3)
April 27: Light to moderate rain in Western Ghats and coastal areas; rest of Tamil Nadu likely dry
April 28: Thunderstorms with light to moderate rain in coastal districts and Puducherry
April 29: Isolated rainfall across Tamil Nadu
April 30: Thunderstorms with gusty winds (30–40 kmph); heavy rain in 6 districts
May 1: Continued rainfall; heavy rain in 5 districts
May 2: Light to moderate rain in several places; heavy rain likely in Western districts
May 3: Light rainfall in isolated areas
Temperature Forecast
No major change in maximum temperatures from April 27 to May 1
However, temperatures may be 2–3°C above normal in some areas
Coastal regions may experience hot and humid weather conditions
Chennai Weather Update
Sky conditions: Partly cloudy
Maximum temperature: 37–38°C
Minimum temperature: 27–28°C
High humidity levels may cause discomfort
Fishermen Advisory
No warning has been issued for fishermen in Tamil Nadu coastal areas, Bay of Bengal, or Arabian Sea between April 27 and May 1.
