Kolkata rain today: IMD issues yellow alert as rain, thunderstorms to continue for second day. Check full week's forecast

Kolkata and its neighbouring areas are likely to see thunderstorms and rainfall for the next few days, the Meteorological Office has predicted. The polling day in the 'City of Joy' was disrupted due to rainfall and thunderstorms, accompanied by rain but the voter turnout was still more than 90 per cent.

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Yellow alert for the entire week

The IMD has issued a yellow alert for Kolkata and has warned of rainfall and thunderstorms with strong gusty winds at a speed of 40-50 kmph. Thunderstorms with rainfall are likely in the city till May 2, 2026. "A cyclonic circulation is present over North Bengal, and the condition for thunderstorms has been created due to the entry of a large amount of water vapour from the east-west low-pressure axis and the Bay of Bengal. Therefore, there is a high chance of thunderstorms accompanied by rain occurring later in the day," a Met department official told IANS.

Full seven days Kolkata weather forecast

30-Apr — Rain or thundershowers with strong gusty winds
01-May — Thunderstorm with rain
02-May — Thunderstorm with rain
03-May — Partly cloudy with possibility of moderate rain or thunderstorm
04-May — Partly cloudy with possibility of moderate rain or thunderstorm
05-May — Partly cloudy with possibility of moderate rain or thunderstorm

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Red alert for west districts

The Regional Meteorological Centre (RMC) had issued a red alert warning on Wednesday for the western districts of Bengal, heavy showers and lightning. “The Nor’Wester that hit Howrah, North and South 24 Parganas, East Midnapore has travelled to Kolkata with accompanied wind speeds of approximately 70 kmph," RMC head H.R. Biswas told The Telegraph. “Over the course of the night, we can see up to 200 or 300 mm of rainfall,” he added.

Kolkata weather forecast

According to the IMD, thunderstorms and rain with gusty winds are likely in most districts of the state, with heavy rainfall expected in the sub-Himalayan districts, till May 3. Due to a favourable wind pattern and strong moisture incursion from the Bay of Bengal, thunderstorms are very likely across the state for the next one week, the IMD said in a bulletin.

Thunderstorms, lightning and gusty winds with speeds reaching 50-60 kmph are likely in south Bengal districts, including Kolkata, Howrah, Hooghly, North and South 24 Parganas, Purba Bardhaman, Bankura and Paschim Medinipur, till May 3, it said.

Heavy rainfall could occur in the sub-Himalayan districts of Darjeeling, Kalimpong, Alipurduar, Jalpaiguri and Cooch Behar till May 3, it added. The weather office advised fishermen not to venture into the sea along and off the West Bengal and north Odisha coasts till May 2.

(With agency inputs)