, April 15 -- A mild heat wave is sweeping across several parts of the country and may continue further, according to a bulletin issued by the Bangladesh Meteorological Department (BMD) on Wednesday morning.

"A mild heat wave is sweeping over the districts over Rajshahi, Pabna, Sirajganj, Jashore, Chuadanga and Kushtia and it may continue," said a Met office bulletin.

The highest temperature of 37.6degC was recorded in Rajshahi on Tuesday.

Day temperature may remain nearly unchanged and night temperature may rise slightly over the country.

Meanwhile, Rain or thundershowers accompanied by temporary gusty wind and lightning flashes is likely to occur at a few places over Sylhet division and at one or two places over Rangpur, Mymensingh,...