Rain or thundershowers accompanied by temporary gusty/squally wind is likely to occur at many places over the country, said a met office forecast for the next 24 hours commencing 9am on Saturday.
"Rain/thundershowers accompanied by temporary gusty/squally wind is likely to occur at many places over Dhaka, Khulna, Barisal, Chittagong and Sylhet divisions and at a few places over Rangpur, Rajshahi and Mymensingh divisions with hails at isolated places over the country," said the bulletin.
Mild heat wave is sweeping over the districts of Khulna, Satkhira, Chuadanga and Jessore and it may continue.
Day temperature may rise slightly and night temperature may remain nearly unchanged over the country.
Trough of westerly low over West Bengal and adjoining area, it also added.
The country's maximum temperature on Friday was recorded at 36.9°C at Mongla and the minimum temperature on Saturday was recorded at 19.8°C at Mymensingh.
The sun sets at 6.36pm on Saturday and rises at 5.13am on Sunday in the capital.