Several commuters were stranded in the rain for hours as vehicles queued up in the flooded thoroughfares.
The Met department recorded 15 mm rainfall in Kolkata till 5.30pm today.
In the adjoining districts of West Midnapore, Birbhum, North 24 Parganas, Hooghly and Howrah, the downpour was accompanied by lightning.
Squally wind with speed reaching 35 to 45 km per hour is likely along and off the West Bengal coast, the Met department said.
Fishermen have been advised against venturing into the sea over the next two days, it added.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)