KARACHI: The Met office has forecast widespread monsoon rains in southern and northern parts of Pakistan from Wednesday (today) to Monday, ARY News reported.Pakistan Meteorological Department (PMD) has informed that a well marked monsoon low pressure has formed over north Bay of Bengal and its adjoining areas, which likely to move westwards and may reach over Indian Gujrat region around morning of 9th August.This weather system is expected to generate widespread rains and wind-thunderstorm in Mirpurkhas, Thatta, Hyderabad, Karachi, Shaheed Benazirabad (Nawabshah) divisions from Friday evening or night to Monday morning next week.Moreover, scattered rains or wind-thunderstorm is also expected in Zhob, Kalat, Sibbi, Naseerabad, Makran, Sukkur and Larkana divisions during the period.