We'll have to endure some sizzling heat through the weekend. Instead of rain, we've seen lots of sun so far this monsoon season, so let's get a closer look at the weekend weather outlook by going over to our Lee Jee-hyun once again.<br />Morning again, Jee-hyun.<br /><br />Yes, we are going to be seeing some sweltering heat on this Friday with a heat wave warning being issued in Seoul. Along with the heat, strong sunshine will blaze down boosting UV rays to very high levels, as well as ozone levels.<br /><br />Taking a closer look at today's temperatures, Seoul, Daegu, Gwangju and Jeju are starting the day at 21 degrees Celsius, but the readings will rise rapidly.<br /><br />Get ready for the heat wave... top readings will range from 26 to 34 degrees Celsius with plenty of sun.<br /><br />The heat is going to persist through early next week with no rain in the forecast until next Wednesday so stay safe.<br />