Up to 300 millimeters of rain will fall this weekend across the greater Seoul area and in central and southern Gangwon Province, with downpours forecast across the country into next week. According to the Korea Meteorological Administration, extreme rainfall is forecast early Saturday morning due to atmospheric instability. Expected rainfall for Saturday through Sunday is 100 to 200 millimeters in the greater Seoul area and Gangwon Province, with more than 300 millimeters possible in inland and mountainous parts of central and southern Gangwon and the greater Seoul area. The Chungcheong provinces will see 80 to 150 millimeters, topping 250 millimeters in parts of Sejong, northern South Chungcheong Province and central and northern North Chungcheong Province. Central and northern North Gyeongsang Province will get 50 to 100 millimeters, with more than 150 millimeters possible in the north. Islands in the West Sea, North Jeolla Province, Daegu, southern North Gyeongsang Province, and Ulleung and Dokdo islands will see 30 to 80 millimeters, topping 100 millimeters in areas that see the most