Rain or thunder showers accompanied by temporary gusty or squally wind is likely to hit parts of the country including Dhaka.
The Met Office said norwester may sweep over Dhaka Khulna Rangpur Rajshahi Sylhet Mymenshing Barishal and Chattogram divisions between Tuesday and Saturday.
Meteorologist Md Aftab Uddin said the norwester began in Rajshahi and is currently sweeping over Pabna and may hit Dhaka at Wednesday night.
The pre monsoon norwester is caused by heavy convection for excessive heat he said.
A trough of westerly low lies over West Bengal and adjoining area the Met Office said adding that seasonal low lies over South Bay.
Source: United News of Bangladesh