The east coast will be relatively cool, but tomorrow (20th) the western part of the country will have a heat wave. It will be a bit hotter than today at 33 degrees midday in Seoul.

But as the sun goes down, it will quickly cool down, and the morning and night heat will not be so severe.

To the south, the cloud gradually rises north. It will rain in Jeju and Jeonnam coastal areas during the day and expand to Yeongnam province by night.

The day after tomorrow, it will rain in most parts of the country. For two days, the Gyeongnam coastal area will be more than 100 mm and the Yeongnam area will be up to 80 mm. Strong rain accompanied by thunderbolts will concentrate on the southern coast.

Tomorrow, the central region will be mostly sunny and misty. The southern regions will gradually become cloudy and rainy.

The rain, which will spread all over the country, will continue through Thursday morning.

(Iejin Weather Caster)