Bangladesh Meteorological Department (BMD) on Tuesday forecasted that rain would occur in different parts of the country in the next 24 hours, commencing at 9am.
"Rain or thundershowers accompanied by temporary gusty wind and lightning flashes is likely to occur at a few places over Sylhet division and at one or two places over Mymensingh, Dhaka, Barisal and Chittagong divisions," a Met Office bulletin said.
It said the weather may remain mainly dry with temporary partly cloudy sky elsewhere over the country.
A mild heat wave is sweeping over Khulna division and the districts of Faridpur, Rajshahi, Pabna and Sirajganj and it may continue.
Day and night temperatures may remain nearly unchanged over the country.
The highest temperature on Monday was recorded at 37.5°C in Rajshahi and Tuesday's minimum temperature is 20.1°C in Rajarhat under Rangpur division.
The sun sets at 6:20pm on Tuesday and rises at 5:38am on Wednesday in Dhaka.
