Heavy Rain and Thunderstorms Forecast for South India and Andaman & Nicobar Islands
Heavy Rain and Thunderstorms Forecast for South India and Andaman & Nicobar Islands
IN · Published Sep 19, 2026
The India Meteorological Department (IMD) has forecast heavy rain and thunderstorms for several parts of South India and the Andaman & Nicobar Islands on Sunday, September 20,
Regions including Coastal Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, Puducherry & Karaikal, and Telangana are expected to experience isolated heavy rainfall. Thunderstorms accompanied by lightning and gusty winds reaching speeds of 40-50 kmph are likely in these areas. Additionally, East Rajasthan, Gangetic West Bengal, Jharkhand, Konkan & Goa, Madhya Pradesh, north Karnataka, Telangana, and Vidarbha may see thunderstorms with lower wind speeds of 30-40 kmph. The Northeast, including Arunachal Pradesh, Assam, Meghalaya, and the Nagaland-Manipur-Mizoram-Tripura region, is also expected to experience thunderstorms and lightning.

Impact & Risks

The forecasted heavy rain and thunderstorms could lead to disruptions in daily activities, including travel and outdoor events, in affected regions. Gusty winds may pose risks to weak structures and trees, while lightning increases the likelihood of electrical hazards. Coastal areas such as Andhra Pradesh and Telangana may experience strong surface winds, which could impact marine activities. Residents in the Northeast and other affected areas should remain cautious of potential flooding and waterlogging due to heavy rainfall.

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