A low-pressure area has been formed over Southeast Bay and adjoining South Andaman Sea.
It is likely to intensify, said the Bangladesh Metrological Department on Monday.
“Mild to moderate heat wave is sweeping over Rajshahi, Khulna and Barishal divisions and Dhaka, Tangail, Faridpur, Gopalgonj, Manikgonj, Narayangonj, Mymensingh, Rangpur, Dinajpur, Nilphamari, Kurigram, Moulvibazar, Chattogram, Rangamati, Cumilla, Chandpur, Feni, Noakhali and Bandarban districts ,”said a BMD bulletin.
The heat wave may continue and spread, it said.
Weather may remain mainly dry with temporary partly cloudy sky over the country in 24 hours from 9 am today.
Day and night temperature may rise slightly over the country during the period.