A mild cold wave is sweeping Nilphamari, Panchagarh districts and Srimongal and it may abate in 24 hours commencing 9 am on Saturday.
Weather may remain dry with temporary partly cloudy sky over the country, said a regular bulletin of Bangladesh Meteorological Department (BMD).
Moderate to thick fog may occur at places over the country from midnight till morning, it said.
Also read: Mild cold wave sweeps parts of country
Night and day temperatures may remain nearly unchanged over the country.
Meanwhile, ridge of Sub-continental high extends up to Bihar and adjoining area. Seasonal low lies over South Bay.