In association with rain or thundershowers temporary west or north-westerly squalls with a speed of 60-80 kph is likely to occur over different parts of the country.
The regions are Rajshahi, Pabna, Bogra, Tangail, Mymensingh, Dhaka, Faridpur, Jessore, Kushtia, Barisal, Patuakhali, Noakhali, Comilla, Chittagong and Sylhet.
The river ports in the regions have been asked to hoist riverine warning signal No. two (r) two, a Met office weather bulletin said on Saturday.
In association with rain or thundershowers accompanied by temporary West or north-westerly gusty or squally with speed 45-60 kph is likely to occur elsewhere over the country wherein river ports shall hoist cautionary signal No. one (r) one.