Mild heat wave is sweeping over Khulna, Rajshahi divisions and Dhaka, Madaripur, Rangpur, Dinajpur, Nilphamari, Moulvibazar, Chandpur, Feni and Patuakhali districts and it may spread, according to Bangladesh Metrological Department (BMD).
Weather may remain mainly dry with temporary partly cloudy sky over the country having chances rain or thunder showers at one or two places over Sylhet division, said a BMD bulletin.
Besides, day and night temperature may rise slightly over the country.
A low pressure area is likely to be formed over Southeast Bay, it added.