Marcum-Illinois Union ESD

A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a steady temperature around 77. South wind around 10 mph, with gusts as high as 18 mph.

A 20 percent chance of showers and thunderstorms, mainly between 9am and 10am. Mostly sunny, with a high near 96. Heat index values as high as 106. South wind 10 to 14 mph, with gusts as high as 23 mph.

Mostly clear, with a low around 77. South wind around 11 mph, with gusts as high as 18 mph.