A low-pressure system may form over the southeast Bay of Bengal and adjoining areas by Tuesday, October 13, bringing rain to parts of Bangladesh, according to the Bangladesh Meteorological Department.
The weather office forecast temporary light to moderate rain or thundershowers, accompanied by gusty winds, at a few places across the country over the coming days.
The forecast was issued on Monday in a 120-hour bulletin signed by meteorologist Md Tariful Newaz Kabir.
The bulletin said the extension of a low-pressure trough currently stretches into the north Bay of Bengal, while a new low-pressure system may develop over the southeast Bay and adjoining areas around October 13.
From 9am Monday, light to moderate rain or thundershowers, accompanied by temporary gusty winds, may occur at some places in Chattogram division and at one or two places in Khulna and Barishal divisions over the next 24 hours. Elsewhere, the weather may remain mainly dry, with temporarily partly cloudy skies.
Daytime temperatures may rise across the country, while night-time temperatures are likely to remain nearly unchanged.
For the 24 hours from 9am Tuesday, similar rainfall is expected at some places in Khulna, Barishal and Chattogram divisions. Elsewhere, the weather may remain mainly dry with partly cloudy skies. Day and night temperatures may rise slightly nationwide.
For the following 24 hours from 9am Wednesday, rain or thundershowers may occur at some places in Khulna, Barishal and Chattogram divisions and at one or two places in Dhaka and Sylhet divisions. The weather may remain mainly dry elsewhere, with temporarily partly cloudy skies.
Day and night temperatures are expected to remain nearly unchanged during this period.