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.
It predicted rain or thundershowers at many places over Sylhet & Mymensingh divisions; at a few places over Rangpur & Chattogram divisions and at one or two places over Rajshahi, Dhaka, Khulna & Barishal divisions with moderately heavy falls at places over Rangpur, Mymensingh, Chattogram & Sylhet divisions.
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.