The Meteorological Department has forecast that thunderstorms accompanied by rain may continue across the country for the next five days, with a risk of heavy to extremely heavy rainfall in some areas. The outlook was issued in a 120-hour forecast released at 9:00 am on Wednesday.
According to the forecast, the extended part of a prevailing low-pressure system is currently stretching from West Bengal to the northern Bay of Bengal. This synoptic condition is expected to influence weather patterns across Bangladesh over the coming days, leading to increased rainfall activity and thunderstorm development in several divisions.
Forecast Overview
The department’s forecast outlines varying rainfall intensity and distribution across different regions and time periods. The details are summarised below:
| Time Period | Affected Divisions | Expected Weather Conditions |
|---|---|---|
| Next 3 days | Mymensingh, Dhaka, Khulna, Barishal, Chattogram, Sylhet (many areas); Rangpur and Rajshahi (some areas) | Temporary gusty or squally winds with lightning and light to moderate rain or thundershowers; isolated moderate to very heavy rainfall in some places |
| 2 May (next 24 hours from 9:00 am) | Rangpur, Mymensingh, Dhaka, Barishal, Chattogram, Sylhet (many areas); Rajshahi and Khulna (some areas) | Temporary gusty winds with lightning and light to moderate rain or thundershowers; isolated moderate to very heavy rainfall |
| 3 May (next 24 hours from 9:00 am) | Mymensingh, Dhaka, Barishal, Chattogram, Sylhet (many areas); Rangpur, Rajshahi and Khulna (some areas) | Light to moderate rain or thundershowers with gusty winds and lightning; isolated moderate to very heavy rainfall |
The forecast further indicates that in some locations within Mymensingh, Dhaka, Barishal, Chattogram and Sylhet divisions, there is a possibility of moderate to very heavy rainfall during the forecast period.
Temperature Outlook
Regarding temperature conditions, the forecast states that across the country, daytime temperatures may decrease slightly over the next 24 hours, while night-time temperatures are expected to remain nearly unchanged. On Thursday, both day and night temperatures are likely to remain largely stable nationwide.
On Friday, daytime temperatures are expected to remain almost unchanged, while night temperatures may fall slightly. On Saturday, both day and night temperatures are likely to remain stable. By Sunday, however, a slight increase in both day and night temperatures is expected across the country.
Over the extended five-day period, the forecast suggests that rainfall activity may gradually decrease, while temperatures are expected to rise further.
Recorded Rainfall
In the preceding 24 hours, the highest recorded rainfall in the country was 60 millimetres in Nikli, located in Kishoreganj district, according to official meteorological observations.
The forecast highlights continued variability in weather conditions across different regions, influenced by the prevailing low-pressure system extending over the Bay of Bengal and adjoining areas.