The Met Office forecasted rainfall and thundershowers over the next 24 hours commencing 9am on Wednesday.
According to a regular bulletin of the Bangladesh Meteorological Department (BMD), light to moderate rain or thundershowers accompanied by temporary gusty or squally wind is likely to occur at most places over Khulna, Barisal, and Chittagong divisions and a few places over Rangpur, Rajshahi, Mymensingh, Dhaka, and Sylhet divisions.
Besides, moderately heavy to heavy falls are likely to occur at places over the southern part of Bangladesh.
The well-marked low over the North Bay and adjoining area of Bangladesh now lies over the Northwest Bay.
The axis of monsoon trough runs through Rajasthan, Uttar Pradesh, Bihar, the centre of the well-marked low to Assam across the southern part of Bangladesh. Monsoon is active over the southern part of Bangladesh and fairly active over the northern part of Bangladesh and strong elsewhere over the Northeast Bay.
Day and night temperatures may fall slightly over the country.