A low pressure area has formed over Westcentral Bay and adjoining Northwest Bay, Bangladesh Meteorological Department(BMD) has said.
Light to moderate rain or thunder showers may drench different parts of the country, said a BMD bulletin on Tuesday.
Besides, mild heat wave is sweeping Dhaka, Rajshahi, Pabna, Feni & Chuadanga and it may continue.
Day and night temperature may remain nearly unchanged over the country.