The flood situation in some low-lying areas of Netrakona as well as Sylhet and Sunamganj in the northeastern part of Bangladesh may remain unchanged in 24 hours from 9am on Thursday.
Meanwhile, conditions in Moulvibazar and Habiganj along the low-lying areas of Manu and Khowai rivers may improve, according to the Flood Forecasting and Warning Centre (FFWC).
Except for the Surma, major rivers in the northeastern region are seeing a rising trend, which may continue in the next 24 hours.
The Brahmaputra and Jamuna rivers are on a rising trend and may continuously rise for the next 72 hours with a chance of reaching the warning level at some points.
Besides, the Padma River is swelling and may continue to do so in the next 48 hours, the FFWC said.
The water level of the Dudhkumar, Teesta and Dharla rivers in the northern part of the country may rise and flash floods may hit some low-lying areas of Kurigram, Lalmonirhat and Rangpur.
The Teesta may cross the danger level at the Dalia point in the next 24 hours for a short period.
According to the information from meteorological organizations, medium to heavy rainfall is expected over the northern and adjoining upstream region, and heavy to very heavy rainfall is expected over the northeastern, northern and adjoining upstream parts of the country in 24 to 48 hours, it added.