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India Sep 01, 2026 · min read

Heavy Rain Alert for Kolkata and South Bengal

Kolkata and south Bengal brace for more rain as an active low-pressure system triggers thunderstorms and heavy showers, with north Bengal facing similar conditions.

Civic News India

Civic News India

Civic News India

Heavy Rain Alert for Kolkata and South Bengal

TL;DR — Quick Summary

An active low-pressure system over Gangetic West Bengal brought overnight rain to Kolkata and southern districts. More thunderstorms and heavy showers are forecast through Wednesday, with north Bengal also bracing for heavy rainfall.

Key Facts
Weather System
Active low-pressure system over Gangetic West Bengal
Affected Areas
Kolkata, South 24 Parganas, Purulia, Bankura, West Burdwan, Birbhum
Wind Speed
30–40 kmph in several districts
Rain Duration
Expected to weaken from Wednesday
North Bengal
Heavy showers looming
Rain Warning
Likely to end after Wednesday

Kolkata and south Bengal are bracing for more rain as an active low-pressure system over Gangetic West Bengal continues to bring wet weather. The system caused overnight rain in Kolkata and other southern districts early on Tuesday, and the weather office has forecast further thunderstorms and heavy showers through Wednesday.

Heavy Rain and Thunderstorms Forecast for South Bengal

Rain is expected across south Bengal on Tuesday, accompanied by thunderstorms and gusty winds in several districts. Kolkata and South 24 Parganas could receive heavy showers, with winds reaching speeds of 30–40 kmph. The weather office has also issued warnings for heavy rainfall in Purulia, Bankura, West Burdwan and Birbhum districts on Tuesday.

Residents in these areas should prepare for wet conditions and possible disruptions. The gusty winds combined with heavy showers could affect daily commutes and outdoor activities.

Rain Warning to End After Wednesday

The rain warning for south Bengal is likely to end after Wednesday, although scattered light to moderate showers and thunderstorms could continue. Rainfall activity in the region is expected to weaken from Wednesday, offering some relief to residents who have been dealing with persistent wet weather.

While south Bengal may see conditions improve, the situation is different for north Bengal. The region is likely to experience heavy showers as the weather system moves or intensifies there.

North Bengal Braces for Heavy Showers

North Bengal is bracing for heavy showers as the weather system continues to influence the region. The forecast suggests that while south Bengal's rain warning will taper off, north Bengal could face significant rainfall in the coming days.

Authorities and residents in north Bengal should stay alert and monitor weather updates as the situation develops.

Our Take: Preparedness is Key as Rain Patterns Shift

To put it plainly, this weather system is testing the region's readiness for heavy rain. The fact that south Bengal's warning ends after Wednesday but north Bengal is still bracing for heavy showers shows how unpredictable these systems can be.

In our view, residents in both regions should not let their guard down. Even as the rain weakens in south Bengal, scattered showers and thunderstorms could still cause localised issues. For north Bengal, the looming heavy showers mean preparation is essential — clearing drainage, securing loose objects, and staying updated on official weather alerts.

The key takeaway here is simple: the weather is shifting, and being prepared is the best defence. Whether you are in Kolkata, the southern districts, or north Bengal, keep an eye on the forecasts and plan accordingly.

Civic News India

Written by

Civic News India

Senior Reporter