 up to the Great Lakes, but some of that moisture heads our way. And we've got rain later in the week. Only a slight chance of a thunderstorm, though, today. 97 to high. Heat index up to 105. A few thunderstorms tomorrow. 96 tomorrow. Heat index as high as 110. Scattered thunderstorms Thursday. Showers and some thunder likely Friday. I'm meteorologist Terry Smith from the Weather Channel.