The Bangladesh Meteorological Department (BMD) reports that a cold wave is affecting portions of the country, with the lowest temperature of 9.0°C recorded at Syedpur in the Nilphamari district on Tuesday, January 2 morning.

In certain areas of the nation, moderate to heavy fog may develop from midnight to the morning and last until lunchtime.

Thick fog may cause problems for air navigation, inland river freight and road communication, according to a Met office statement on Tuesday.

Tuesday night's temperature may decrease by (1-2)° over the divisions of Dhaka, Khulna, Barishal, Chattogram, Mymensingh, and Sylhet, and it may slightly increase over the divisions of Rangpur and Rajshahi.
The country may see a small drop in daytime temperatures.
It stated that cold day conditions could dominate in some parts of the nation due to dense fog.
A seasonal low spans South Bay and troughs into North Bay.
The country may see a brief period of partly overcast skies accompanied by dry weather.