Bangladesh, May 1 -- The Bangladesh Meteorological Department (BMD) has forecast heavy to very heavy rainfall in several regions over the next 48 hours due to continuous thundercloud formations across the country.

The affected divisions include Mymensingh, Dhaka, Khulna, Barishal, Chattogram, and Sylhet.

Maritime ports at Chattogram, Cox's Bazar, Mongla, and Payra have been advised to hoist cautionary signal number three.

All fishing boats and trawlers in the North Bay have been instructed to stay close to the coast and proceed with caution until further notice.

Meteorologist Md Shahinul Islam said that until Thursday evening, widespread light to moderate rain or thundershowers accompanied by gusty winds are expected over Rajshahi, Myme...