Flood condition in the low-lying areas of the country's northern regions deteriorated further on Thursday, as the Teesta and Dharala rivers started flowing over their danger level on the day again.
The Brahmaputra, Ghaghot, Karatoa, Dhudhkumar and Jamuna rivers were also showing a rising trend, and were near to their danger mark.
The river Gur in Natore continued to swell over the danger mark on the day, said the Flood Forecasting and Warning Centre (FFWC).
FFWC said water level in the Teesta, Brahmaputra and Jamuna rivers might continue to rise for next 48 hours.
However, all the rivers in the north-eastern regions (the upper Meghna) under Sylhet and parts of Mymensingh divisions also continued to rise on Thursday.
The Jadukata river at Tahirpur of Sunamganj and the Bhugai river at Panihata of Sherpur districts were flowing over their danger marks on Thursday noon.
The Surma, Kushiyara, Kangsha, Shomeshwary and Sharigowain rivers were also rising and almost near the danger mark on Thursday evening, said FFWC.
Many fresh areas of the northern and north-eastern regions inundated on Thursday amid heavy rain and onrush of upstream water from India, it added.
According to the numerical weather model of Bangladesh Meteorological Department (BMD) and India Meteorological Department, there is chance of moderate to heavy rainfall in the northern and north-eastern regions of the country as well as in adjacent Assam, Meghalaya and Darjeeling areas of India in next 48 hours.
As a result, the rivers of the northern and north-eastern regions of the country might continue to rise, and the Dharla and Teesta rivers might remain above their danger level for next 48 hours, starting from Thursday morning.
Meanwhile, Panchagarh, Gaibandha and Jaflong in Sylhet, Jariajhanjail in Netrokona, and Chilmari in Kurigram witnessed 176 millimetres (mm), 165 mm, 116 mm and 95 mm rainfall respectively in the past 24 hours between 9:00 am on Wednesday and 9:00 am on Thursday.
Indian districts, adjacent to Bangladesh's north and north-eastern parts, like - Cherrapunji and Jalpaiguri, witnessed 274 mm and 135 mm rainfall respectively during the period, said Indian Met Office.