![[Weather] Cloudy and rainy Sunday… Heavy rain up to 30 mm per hour](/api/img?u=https%3A%2F%2Fimg.yna.co.kr%2Fphoto%2Fyna%2FYH%2F2026%2F10%2F13%2FPYH2026101303250005400_P2.jpg&w=1200&q=72&f=webp)
AI-generated summary
National weekend weather conditions according to the Korea Meteorological Administration forecast.
(Seoul = Yonhap News) Reporter Jeong Ji-su = On Sunday the 18th, it will be mostly cloudy and rainy across the country.
Rain will begin in Incheon, northern Gyeonggi Province, and Jeju Island at dawn and spread to other central regions in the morning.
It will rain in most parts of the country from the afternoon, and in the central region it will mostly stop at night.
In areas where it rains, strong rain of up to 30 mm per hour will fall along with thunder and lightning, so be careful about safety accidents.
The expected precipitation is 30 to 80 mm in Seoul, Incheon, Gyeonggi and the 5 islands of the West Sea, Daejeon, Sejong, South Chungcheong and North Chungcheong Province, and 20 to 70 mm in the inland and mountainous areas of Gangwon.
For two days from the 18th to the 19th, 5 to 20 mm of rain will fall on the east coast of Gangwon, 30 to 80 mm in Jeonbuk, 20 to 60 mm in Gwangju and Jeonnam, 10 to 50 mm in Daegu, Gyeongbuk, Busan, Ulsan, and Gyeongnam, and 10 to 60 mm in Jeju Island.
The lowest morning temperature is forecast to be 11 to 21 degrees, and the highest daytime temperature is forecast to be 20 to 27 degrees.
The sea waves will be 1.0 to 3.5 m in the East Sea and West Sea, and 0.5 to 2.5 m in the South Sea.
The wave height of the deep inner sea (the sea within about 200 km of the coastline) is expected to be 1.0 to 5.0 m in the East Sea, 1.5 to 5.0 m in the West Sea, and 1.0 to 3.0 m in the South Sea.
Below is the weather forecast by region for the 18th.
[morning, afternoon] (lowest to highest temperature) <probability of precipitation in the morning and afternoon>
▲ Seoul: [Cloudy and rainy at times, cloudy and rainy at times] (17-22) <80, 80>
▲ Incheon: [Cloudy and rainy at times, cloudy and rainy at times] (17-22) <80, 80>
▲ Suwon: [Cloudy and rainy at times, cloudy and rainy at times] (17∼21) <80, 80>
▲ Chuncheon: [Cloudy and sometimes rain, cloudy and rain] (12~20) <70, 80>
▲ Gangneung: [Cloudy, cloudy and rain] (15~23) <30, 80>
▲ Cheongju: [Cloudy and rainy at times, cloudy and rainy at times] (16-22) <60, 90>
▲ Daejeon: [Cloudy and rainy at times, cloudy and rainy] (16~23) <60, 80>
▲ Sejong: [Cloudy and rainy at times, cloudy and rainy] (16-22) <60, 80>
▲ Jeonju: [Lots of clouds, cloudy and rain] (17~26) <20, 80>
▲ Gwangju: [Lots of clouds, cloudy and rain] (18~25) <20, 70>
▲ Daegu: [Clear, cloudy and sometimes rain] (15~25) <10, 80>
▲ Busan: [Lots of clouds, cloudy and rain] (21-25) <20, 80>
▲ Ulsan: [Lots of clouds, cloudy and rain] (18~26) <20, 80>
▲ Changwon: [Lots of clouds, cloudy and rain] (19∼25) <20, 80>
▲ Jeju: [Cloudy, cloudy and rainy at times] (21-27) <30, 60>

The International Organization for Migration (IOM) has warned that up to 40.5 million people in South Asia could be forced to migrate by 2050 due to climate change. IOM Director-General Amy Pope cited threats to food production and livelihoods and emphasized the need for risk prediction and funding using artificial intelligence (AI).

Saturday, the 17th, will be mostly clear across the country and daytime temperatures will rise significantly, making it warm, but it will gradually become cloudy starting at night, and strong rain accompanied by gusty winds is expected to fall across the country on Sunday. Rain begins early Sunday in Incheon, northern Gyeonggi Province, and Jeju Island and spreads to most areas across the country in the afternoon. It stops at night in the central region, but may continue until Monday in the southern region and Jeju Island. The expected precipitation varies by region, including 30 to 80 mm in the metropolitan area, the five West Sea provinces, Daejeon, Sejong, South Chungcheong, North Chungcheong Province, and North Jeolla Province, and caution is called for safety accidents caused by gusts of wind accompanied by thunder and lightning.
![[Weather] Saturday was clear, then clouds started at night... Large daily temperature difference and strong wind](/api/img?u=https%3A%2F%2Fimg.yna.co.kr%2Fphoto%2Fyna%2FYH%2F2026%2F09%2F11%2FPYH2026091103220001300_P2.jpg&w=320&q=72&f=webp)
On Saturday the 17th, the country will be mostly clear, the temperature difference between day and night will be very large at around 15 degrees, and strong winds are expected to blow in most parts of the country starting in the afternoon.
A hailstorm swept through Santiago, the capital of Chile, causing water bombs to rain down on subway stations and chunks of ice floating on the roads, paralyzing the city center. In the western region, tornado-like strong winds tore off the roof of a bus terminal, destroyed buildings, and toppled dozens of trees. Precipitation this month was 108 mm, more than a third of the annual average, and the Chilean Meteorological Administration judged it to be an unusual spring rain due to the El Niño phenomenon.

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![[Weather] Beware of large daily temperature ranges across the country… Raindrops until dawn in the northern Gyeonggi and Gangwon mountains](/api/img?u=https%3A%2F%2Fimg.yna.co.kr%2Fphoto%2Fyna%2FYH%2F2026%2F10%2F14%2FPYH2026101403830001300_P2.jpg&w=320&q=72&f=webp)
On the 16th, there will be a very large daily temperature difference of around 15 degrees across the country and there will be a lot of clouds, and there will be places where rain continues until dawn in northern Gyeonggi and inland in central and northern Gangwon. The lowest temperature in the morning was forecast to be 7 to 16 degrees, and the highest temperature during the day was forecast to be 22 to 26 degrees.