Back in the 80's Sunday and Monday... Then Much Cooler

The very odd weather pattern that we have seen for the past few days is about over.  The remains of T.S. Lee have backed all the way west and southwest into western Arkansas.  As it backed across Indiana and southern Illinois it pulled moisture and clouds into the Stateline all the way from the Atlantic Ocean. This is a bit unusual to say the least with showers moving west across Indiana and Lake Michigan into northern Illinois.  Most of them have been fairly light, but there have been some isolated heavier showers. No rain is expected tonight with the remains of Lee continuing to weaken, and gradually it will be picked up by the normal westerly flow that is in the process of re-establishing itself.  Warm high pressure from the northern plains will dominate Stateline weather for the next couple of days. Temperatures will drop into the upper 50's tonight under mostly clear skies, and rise to around 84 degrees on Sunday with sunshine. It will be mostly sunny and warm again on Monday with a high in the middle 80's. It will become breezy by afternoon with a strong cold front approaching from the northwest. There is a slight chance of showers and thunderstorms on Monday night with the approach and passage of the cold front. It will be mostly sunny, windy, and much cooler on Tuesday with temperatures struggling to reach 70 degrees, and the rest of the week high temperatures will only be in the 60's. Overnight lows will be in the 40's, and possibly even as low as the upper 30's on Thursday night.