IMD issued a heavy rain warning for Kerala, Karnataka, and Puducherry on October 2, accompanied by severe thunderstorms, lightning and gusty winds.
Published: October 1, 2026, 8:22 PM IST
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IMD weather forecast October 2: In a significant weather update, the India Meteorological Department (IMD) forecast for 1 October highlights heavy to very heavy rainfall, gusty winds and thunderstorms across several regions including Kerala, Tamil Nadu and Karnataka. While southern states face severe weather and strong surface winds, northeastern states are expected to experience widespread precipitationAdditionally, minimum temperatures remain above normal in several parts of northern, eastern and central IndiaHere are all the details you need to know about the weather forecast issued by the India Meteorological Department (IMD) for October 2.
IMD weather forecast October 2: Area-wise forecast
Kerala & Mahe
Tamil Nadu, Puducherry & Karaikal
Lakshadweep
Karnataka
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Coastal Karnataka: Heavy rainfall and thunderstorms with lightning at isolated places.
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South Interior Karnataka: Heavy rainfall at isolated places.
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Interior Karnataka: Thunderstorms with lightning and gusty winds (30-40 kmph) at isolated places.
Andhra Pradesh
Odisha
Lowest Monsoon rainfall since 2001
India received 87.4 per cent of its long period average (LPA) rainfall during the June-September period, making it the fourth-lowest monsoon season since 2001, the India Meteorological Department (IMD) said on WednesdayOne of the main reasons for rainfall deficit this monsoon was the prevailing El Nino conditions over the tropical Pacific region which emerged in June, and have been strengthening since then, the IMD said in its monthly forecastCurrently, strong El Nino conditions are prevailing and may persist till March 2027, it said.
The country this season recorded 759.4 mm rainfall as against normal rainfall of 868.6 mm during the monsoon period, a 13 per cent deficit, the IMD said.
El Nino is one of the three phases of the El Nino Southern Oscillation (ENSO) – a climate phenomenon – and is known to have a warming effect on the planet and less monsoon rainfall in IndiaIts opposite phase, called La Nina, usually results in a cooling effectENSO also has a neutral phase.
