A cold wave has been gripping the nation since earlier in the week,... and it's likely to continue through the whole weekend. <br />This morning, Seoul saw the mercury drop to minus 8 degrees Celsius,... and with the wind chill factor, it felt like it was as low as minus 11 degrees. <br />Central regions including northern parts of Gyeonggi-do and Gangwon-do Provinces are still seeing cold wave advisories in place, and the nation's weather agency also issued dry air advisories in cities around the country,... including Seoul, Incheon and Busan.<br />It's expected to get warmer throughout the day, with Seoul seeing highs of minus 1 degree, and most other places nationwide seeing their mercury go above zero. <br />But tomorrow it is likely be similar to today, or even colder in some places,... with temperatures in Seoul expected to drop to minus 8 degrees. <br />We are, however, expected to have clear skies nationwide for the whole weekend, except for the eastern-most island of Dokdo. <br />