The severe cold wave sweeping over northwestern Rangpur and Rajshahi divisions and western Gopalganj, Jessore and Kushtia and southwestern Satkhira has eased to some extent as the mercury recovered by 1-4 degrees Celsius across the country on Wednesday, report agencies.
"Mild to moderate cold wave is sweeping over the country as the overall temperature of the country has risen by 1-4 degrees Celsius. But a severe cold wave is sweeping over Jessore and Kushtia regions," Md Shahinul Islam, a meteorologist at Bangladesh Meteorology Department (BMD), said on Wednesday.
The mercury is likely to fall slightly on January 16 and 17 exposing the country to a "mild to moderate cold wave" for the second time in the current season, he said.
The Met office forecast on Wednesday said a mild to moderate cold wave was sweeping over Rajshahi, Rangpur, Barisal, Mymensingh divisions and the remaining part of Khulna division and the regions of Faridpur, Madaripur, Tangail, Srimangal, Sitakundu, Comilla and Feni.
The current cold wave condition is likely to continue as a mild to moderate cold wave over the country for some more days, the forecast added.
"Ridge of sub-continental high extends up to western part of Bangladesh. The low over Southeast Bay and adjoining area now lies as a trough of low over Southwest Bay of Bengal off Sri Lanka and Tamil Nadu coast," it said.
Moderate to thick fog may occur at places over the country during midnight to morning but it may continue till noon over the northwestern part of the country while weather may remain dry with temporary partly cloudy sky over the country.
Night and day temperature may rise slightly over the country.
Minimum temperature of the country was recorded on Wednesday at 5.5 degrees Celsius at Chuadanga in Khulna division and maximum temperature at 27.0 degrees Celsius on Tuesday at Teknaf in Chittagong division.
