A low-pressure area is likely to develop over the southwest Bay of Bengal and adjacent regions within the next 36 hours, says the meteorological office.
This low pressure is expected to move towards the Tamil Nadu-Sri Lanka coast within the subsequent 48 hours.
According to the 72-hour weather forecast issued on Monday midnight, Bangladesh's weather is expected to remain mostly dry over the next 24 hours, with partly cloudy skies in some areas.
Both daytime and nighttime temperatures are expected to stay nearly unchanged during the period.
The meteorological office also predicts similar weather conditions for the following 48 hours, with minimum variation in temperature levels.
Read: Low pressure area likely to form within next 24hrs: BMD
However, a gradual fall in nighttime temperatures is forecast over the next five-day period.
This forecast aligns with the seasonal changes typically observed during this period, which could bring cooler nights in the coming days as winter approaches.