uisan in korea, you're above average throughout the mid part of the week. let's head over to the americas. severe weather in the central plains. last week we were talking about serious flooding out here. it looks like a cold front is diving in from the north right now, bringing yet more heavy rainfall in kansas, oklahoma. ping pong sized hails, winds out of this storm system as it drifts down to the south. another system moving towards the atlantic seaboard. this will not be as potent but it's still bringing storm systems and ushering in colder air behind it. dry, cooler air mass coming in out of canada. winnipeg, toronto, you'll see temperatures go from the mid 20s down to the low 20s and even the high teens, especially in the overnight hours, by mid week. that's a look at your world weather. here is the extended forecast. >>> many of japan's big summer festivals are getting into full swing in the middle of a heat wave. the most popular is the awa odori in western japan. about 700 dancers from 33 groups turned out sunday in tokushima city. they performed t