Kolkata Weather LATEST Update: The Alipore Met office has forecast heavy thundershowers for Kolkata and South Bengal tomorrow. But don't expect any relief, as high humidity will keep the weather sticky and uncomfortable
The Alipore Met office predicts that Kolkata and all of West Bengal will see spells of thundershowers on Sunday, August 30, 2026. South Bengal districts, in particular, will have cloudy skies with moderate to heavy rain.
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Temperature and humidity details
In Kolkata and nearby areas, the maximum temperature will be around 33°C, while the minimum will hover between 26°C and 29°C. Despite the rain, high humidity (up to 73%-94%) will make the weather feel very muggy and uncomfortable.
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Weather
The Regional Meteorological Centre in Kolkata (RMC Kolkata) has put out a heavy rainfall warning until August 31. This alert is for several South Bengal districts, including Kolkata, Howrah, Hooghly, and North 24 Parganas.
The sky will remain mostly overcast. You can expect several rounds of light to moderate thundershowers throughout the day. Coastal districts like East Medinipur and South 24 Parganas might experience more intense rainfall.
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North Bengal
North Bengal districts are also getting light to moderate rain because of the active monsoon. While Malda and the two Dinajpurs will be slightly warmer, hilly areas like Darjeeling, Kalimpong, Jalpaiguri, and Alipurduar will see scattered showers.
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Huge glacier collapses
On August 26, a massive glacier broke off the Langtang Lirung peak on the Nepal-Tibet border. This caused the water level in the Bhote Koshi and Lende rivers to shoot up by 9 metres (about 29.5 feet) in just 30 minutes. This water eventually flows into India's Gandak and Ganga river basins.
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Alert in border states
After the incident in Nepal, there were serious fears of flooding in districts of Uttar Pradesh and North Bihar located near the Gandak, Ghaghra, and Koshi rivers. Thankfully, the water levels have dropped quite a bit since Thursday.
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Impact on West Bengal
The Nepal disaster did not directly cause any major floods in the Ganga in West Bengal. However, the water levels in the Ganga and its tributaries are slightly high. This is due to water flowing down from Bihar's rivers combined with the ongoing heavy monsoon rains in Bengal.
