Light to moderate rain or thundershowers accompanied by temporary gusty wind is likely to occur at a few places and at one or two places with moderately heavy falls at places over the country.
"Light to moderate rain or thunder showers accompanied by temporary gusty wind is likely to occur at a few places over Khulna, Barisal, Chittagong and Sylhet divisions and at one or two places over Rangpur, Rajshahi, Dhaka and Mymensingh divisions with moderately heavy falls at places over the country", said a met office weather forecast for the next 24 hours beginning from 9am Wednesday.
Mild heat wave is sweeping over the districts of Tangail, Rajshahi, Bogra, Pabna, Rangpur, Chuadanga and Nilphamari and it may continue.
Day and night temperatures may remain nearly unchanged over the country.
The axis of monsoon trough runs through Rajasthan, Haryana, Madhya Pradesh, Odisha, Bihar, Gangetic West Bengal to Assam across southern part of Bangladesh. One of its associated troughs extends up to North Bay.
Monsoon is less active over Bangladesh and moderate over North Bay.
The country's maximum temperature on Tuesday was recorded by 37.1° at Rajshahi and minimum temperature on Wednesday was recorded by 24.7° at Bandarban.
Maximum rainfall for the last 24 hours till 6am Wednesday was recorded by 24 millimetres (mm) at Rangamati.