Today's show focuses on extreme weather, with a heavy rain outlook and storm impact recaps. We'll feature local storm pictures and videos from Wednesday, followed by a national weather wrap-up, including footage of tornadoes in Lake City, AR, and Selmer, TN, plus Nashville flooding. The National Weather Service's tornado surveys and process will be discussed, along with a look ahead to a late-season freeze early next week. The show wraps up with a recap of the heavy rain.