Sun Sep 21 01:40:00 UTC 2025: Okay, here’s a summary and a news article based on the provided text:

**Summary:**

The Chennai Meteorological Department has issued a weather report predicting light to moderate rainfall with thunderstorms across Tamil Nadu, Puducherry, and Karaikal due to an atmospheric cyclonic circulation. Isolated heavy rainfall is expected in Tirupattur, Krishnagiri, Dharmapuri, Erode, Nilgiri, Theni, Villupuram, and Chengalpattu districts on September 20, 2025. Light to moderate rain with thunderstorms are predicted for the next few days, gradually decreasing in intensity. Chennai is expected to have cloudy skies with moderate rain and thunderstorms in some areas today (September 20, 2025) and partly cloudy skies with light to moderate rain tomorrow (September 21, 2025).

**News Article:**

**Tamil Nadu Braces for Rainfall, Heavy Showers Expected in Several Districts**

**Chennai, September 20, 2025** – The Chennai Meteorological Department has issued a weather alert, forecasting light to moderate rainfall accompanied by thunderstorms across Tamil Nadu, Puducherry, and Karaikal over the next several days. The weather is attributed to an atmospheric cyclonic circulation over the southern states.

Today, September 20, 2025, several districts in northern Tamil Nadu, and a few places in southern Tamil Nadu, along with Puducherry and Karaikal, are likely to experience thunderstorms and light to moderate rainfall. The department has warned of isolated heavy rainfall in Tirupattur, Krishnagiri, Dharmapuri, Erode, Nilgiri, Theni, Villupuram, and Chengalpattu districts.

The forecast for the coming days is as follows:

* **September 21-22, 2025:** Light to moderate rain with thunderstorms expected in several places in northern Tamil Nadu and a few places in southern Tamil Nadu, as well as Puducherry and Karaikal.
* **September 23-24, 2025:** Light to moderate rain with thunderstorms expected in isolated places across Tamil Nadu, Puducherry, and Karaikal.
* **September 25-26, 2025:** Light to moderate rain expected in isolated places across Tamil Nadu, Puducherry, and Karaikal.

For Chennai, the forecast indicates cloudy skies with moderate rain and thunderstorms in some areas today. The maximum temperature is expected to be around 30° Celsius, and the minimum temperature around 25° Celsius. Tomorrow, September 21, 2025, the city will likely experience partly cloudy skies with light to moderate rain and thunderstorms in some areas. The maximum temperature is expected to be between 30-31° Celsius, and the minimum temperature between 25-26° Celsius.

Residents in the affected areas are advised to take necessary precautions and stay updated on weather forecasts.

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