A sprawling heat dome is inching across the country, making summer weather feel more scorching and swampy in Louisville.
Despite a chance for showers and thunderstorms, heat index values — what the temperature actually feels like given the humidity — will be upwards of 105 degrees, according to the National Weather Service in Louisville.
Meteorologists have urged Kentuckians to stay indoors where it’s cool and to drink plenty of water while a heat advisory remains in effect for dozens of Kentucky counties…