Mild cold wave is sweeping over three northern districts, according to a met office forecast for the next 24 hours commencing 9am Friday.
"Mild cold wave is sweeping over the districts of Dinajpur, Panchagarh and Kurigrram and it may abate from some places", it said.
Weather may remain mainly dry with temporary partly cloudy sky over the country.
Moderate to thick fog may occur over the country during midnight to morning and it may continue till noon at places over the country. Air navigation, inland river transport and road communication may disrupt due to thick fog, BSS reports.
Night and day temperature may rise slightly over the country. Due to prevailing thick fog, cold day condition may prevail at places over the country.
Country's maximum temperature on Thursday was recorded 28.7 degree Celsius at Teknaf and minimum temperature Friday was recorded 08.4 degree Celsius at Tetulia.
Ridge of sub continental high extends up to West Bengal and adjoining northwestern part of Bangladesh. Seasonal low lies over South Bay, extending it's trough to North Bay.
The sun sets at 05.25pm Friday and rises at 06.43am Saturday in the capital Dhaka.
