LOUISVILLE, Ky. — The heat wave continues for Kentuckiana and it means business. The sunshine will be strong and keep rain chances down for most of the day. However, it also means that extremely hot conditions will set up over the region and stick around for a good while. Today, the heat index values are still forecasted to exceed 105 degrees, so the area-wide extreme heat warning continues for a majority of the day, expiring tonight at 9 pm. This story continues below.