Heavy rains, squally wind likely in West Bengal from September 22

Parts of West Bengal are likely to receive heavy rainfall with gusty winds from September 22, 2026, due to a deep depression system forming over the Bay of Bengal.

According to the India Meteorological Department (IMD), a low-pressure area over the east-central Bay of Bengal and adjoining north Andaman Sea is likely to intensify into a depression on Monday (September 21, 2026), bringing a spell of heavy rain and squally weather to West Bengal from September 22 to 26.

The intensity of rainfall in Bengal is likely to be higher in the coastal districts of Purba Medinipur and South 24 Parganas, with gusty winds reaching speeds of 40-50 kmph, it said.

Thunderstorms accompanied by lightning and gusty winds, reaching speeds of 30-40 kmph, are likely in one or two places in the remaining districts of south Bengal, including Kolkata, till September 25, the weather office said.