Belleville, IL Weather - Tomorrow’s Forecast

Friday

Mostly cloudy

High:
89°F

A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

Friday Night

Slight chance of thunderstorms

Overnight low:
65°F

A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 30%.