# Kolkata and Bengal heavy rain outlook

> Live situation record from CLSTR: https://clstr.news/situations/kolkata-and-bengal-heavy-rain-outlook
> Updated: 2026-07-30T14:37:06.000Z. Sources: 2. Developments: 2.

In early July 2026, meteorological authorities warned that Kolkata and South Bengal would experience heavy rain and thunderstorms on July 5. Later in the month, the Regional Meteorological Centre in Kolkata issued a more detailed forecast for July 31, predicting intense thunderstorms, heavy downpours, and strong lightning across Kolkata, with a 60‑65% chance of severe weather between mid‑morning and early afternoon. The outlook extended to nearby northern West Bengal districts, noting landslide risks in mountainous areas. Bangladesh’s weather service also anticipated moderate to heavy rain and isolated thunderstorms in Dhaka and several other divisions, though no flood warnings were issued.

## Timeline

### 2026-07-30: Kolkata and Dhaka brace for heavy rain and thunderstorms on July 31, 2026

Kolkata faces heavy thunderstorms on July 31, 2026, while Dhaka sees sunny skies with isolated rain chances in several districts.

2 sources. https://clstr.news/cluster/kolkata-and-dhaka-brace-for-heavy-rain-and-thunderstorms-on-july-31-2026

### 2026-07-05: Kolkata and South Bengal Brace for Heavy Rain and Thunderstorms on July 5, 2026

India’s weather agency warned of heavy rain, thunderstorms and strong winds for Kolkata and south Bengal on 5 July, urging safety precautions and a fishing ban until 7 July.

2 sources. https://clstr.news/cluster/kolkata-braces-for-heavy-rain-and-thunderstorms-on-july-5-2026

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Cite as: Kolkata and Bengal heavy rain outlook. CLSTR, https://clstr.news/situations/kolkata-and-bengal-heavy-rain-outlook