 Mostly cloudy today with a chance of showers and thunderstorms. Now out of here. Today's high should be in the mid-80s with a mix of clouds and sun. Mostly clear tonight, a low in the mid-60s. Thursday sunny, a high in the mid-80s. And on Friday, mostly cloudy, a chance of showers and thunderstorms. During the afternoon, a high around 90 degrees. Right now in downtown Alton with a mix of clouds and sun, it is 77 degrees.