Thursday is College Scholastic Aptitude Test day.
And on Thursday morning, temperatures are set to plunge to minus 1 degree Celsius. To get more details let's turn to our Natalie Seok at the Weather Center. Natalie?
Yes, you're right. It's going to be chilly on exam day and yellow dust may accompany the cold conditions. So, students should bundle up and remember to wear a mask on Thursday morning.
But tomorrow, we'll have normal air quality across the nation.
And the skies will start off clear but get occasionally cloudy during the day.
As for tomorrow morning, temperatures will drop back down again.
Seoul will start the day at 6 degrees Celsius, Chuncheon 3 degrees, while Busan and Jeju wake up to 10 and 13 degrees respectively.
And day time highs will stay below 20 degrees Celsius in all areas other than Gyeongju.
Seoul will warm up to 16 degrees Celsius, while Busan and Jeju reach 19 degrees.
Taking a look at the week ahead. On Wednesday, the day before the exams, it'll be wet across the nation and start to get cold, bringing the morning temperature down to just below freezing in Seoul on Thursday.
And there's a chance of snow in the west of the country.
I'll leave you with the weather conditions around the world.