At the beginning of Ashwin, 56 districts of the country are experiencing a mild heat wave, which may continue for the next few days, the Meteorological Department said.
Daytime temperatures may rise further across the country, according to the forecast. Meteorologist Bajlur Rashid said that the temperature will not decrease for 2-3 days. On the contrary, the temperature may increase a little on Friday, and the fire will spread in most of the districts.
However, after next Tuesday, there are signs of rain all over the country.
According to the Meteorological Department's bulletin, a mild heat wave is flowing over Rangpur, Rajshahi, Mymensingh, Dhaka, Khulna, Barisal and Sylhet divisions along with Rangamati, Feni and Brahmanbaria districts on Thursday and may continue.
Day temperatures may increase slightly and night temperatures may remain almost unchanged across the country.
The country's highest temperature of 38.3 degrees Celsius was recorded in Sylhet on Thursday. The maximum temperature of Dhaka on that day was 3 degrees Celsius.
A mild heat wave is considered when the air temperature is below 36 to 38 degrees Celsius. Temperatures below 38 to 40 degrees are called moderate and temperatures below 40 to 42 degrees are called severe heat waves. And when the temperature rises above 42 degrees, it is called extreme heat wave.
The weather forecast for the next 24 hours on Thursday evening said that there may be light to moderate rain or thunderstorm with temporary gusty winds at some places of Chittagong and Sylhet divisions and at two places of Rangpur, Rajshahi, Mymensingh, Dhaka, Khulna and Barisal divisions.
Along with that, moderate heavy rain may occur in some parts of the country. In the extended five-day forecast, the rainfall trend is likely to increase.
According to the synoptic condition, the apparent low pressure located in Madhya Pradesh and adjoining areas has weakened into a low pressure and has joined the monsoon axis.
The extension of the monsoon axis extends over Punjab, Haryana, Uttar Pradesh, Madhya Pradesh, Bihar, Gangetic West Bengal and central Bangladesh to Assam.
Monsoon is less active over Bangladesh and weak to moderate over North Bay of Bengal.
A maximum of 54 mm of rain fell in Chittagong's Sandwip in 24 hours till 6 pm on Thursday. Apart from this, Maizdicourt of Noakhali received 45 mm of rain and Sitakunda of Chittagong 32 mm of rain.