Mild to moderate heat wave is sweeping over the country and it may continue and spread, said a met office release on Monday.

"Mild to moderate heat wave is sweeping over Rajshahi, Khulna and Barishal divisions and the districts of Dhaka, Tangail, Faridpur, Gopalgonj, Manikganj, Narayanganj, Mymensingh, Rangpur, Dinajpur, Nilphamari, Kurigram, Moulvibazar, Chattogram, Rangamati, Cumilla, Chandpur, Feni, Noakhali and Bandarban and it may continue and spread", said the release.

A low pressure area has formed over Southeast Bay and adjoining South Andaman Sea as it is likely to intensify.