Archive · 18 Sep 2026
IMD forecasts rain and thunderstorms across south Bengal
Rain and thunderstorms reached Kolkata and other parts of south Bengal on Friday.
The weather agency expects more rain and strong winds in the region until September 20.
Winds may reach speeds of 30 to 40 kilometres per hour.
A low-pressure area may develop over the north Andaman Sea on Saturday.
It may then move toward the coasts of Odisha and Andhra Pradesh.
Kolkata was expected to have cloudy skies and one or two rain spells through Saturday morning.
Some places in north Bengal could receive heavy rain.
Earlier heavy rain caused waterlogging and traffic problems near Salt Lake.
Rain and thunderstorms affected Kolkata and parts of south Bengal on Friday.
The India Meteorological Department forecast rain, thunderstorms and 30–40 kmph gusty winds through September 20.
A low-pressure area may form over the north Andaman Sea on Saturday and move toward the south Odisha–north Andhra Pradesh coasts.
Heavy rain was possible in Darjeeling, Kalimpong and Jalpaiguri through Saturday, according to the forecast.
Alipurduar recorded 105 mm of rain, while Salt Lake received 69 mm in the 24 hours ending Friday morning.
- Who
- The India Meteorological Department issued the forecast.
- What
- Rain, thunderstorms, gusty winds and possible heavy rain are expected across parts of Bengal.
- When
- The forecast covers Friday through September 20, with some conditions continuing through Saturday.
- Where
- Kolkata, south Bengal and north Bengal, with a developing system expected to move toward the south Odisha–north Andhra Pradesh coasts.
- Why
- The forecast is linked to a low-pressure area likely to form over the north Andaman Sea.
- Forecast period
- Rain and thunderstorms are forecast across south Bengal until September 20.
- Wind speed
- Gusty winds of 30 to 40 kmph are forecast across south Bengal districts.
- Expected system
- A low-pressure area may form over the north Andaman Sea on Saturday.
- Kolkata outlook
- Generally cloudy skies and one or two rain spells were forecast through Saturday morning.
- Highest rainfall
- Alipurduar recorded 105 mm in the 24 hours ending at 8:30 am Friday.
- Salt Lake rainfall
- Salt Lake recorded 69 mm during the same 24-hour period.
- Travel disruption
- Heavy rain caused waterlogging and traffic snarls in Salt Lake on Thursday.