The weather department has predicted light to moderate showers across the country in the next 24 hours.
"Light to moderate rains or thunder showers accompanied by temporary gusty winds and lightning flashes are likely to occur at a few places over Khulna, Barishal and Chattogram divisions and at one or two places over Rangpur, Rajshahi, Dhaka, Mymensingh and Sylhet divisions with moderately heavy falls at places over the southern part of Bangladesh," the department said in its bulletin Wednesday.
Day temperature may rise slightly and night temperature may remain nearly unchanged over the country, it added.
The Met office recorded the highest 22mm of rainfall in Barishal in 24 hours till 6am on Wednesday.
The mercury reached 35.5 degrees Celsius – the highest – in Rangpur's Sayedpur, while the minimum temperature was recorded at 24.5 degrees in Rajarhat of the same division, as per the bulletin.
Read: More rains likely in 24 hrs
The axis of the monsoon trough runs through Rajasthan, Haryana, Uttar Pradesh, the centre of the low pressure area, Odisha to Assam across Gangetic West Bengal and the southern part of Bangladesh.
Monsoon is fairly active over Bangladesh and strong elsewhere over the North Bay.