Belleville, IL Weather - Tomorrow’s Forecast

Sunday

Isolated thunderstorms

High:
90°F

Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 90. West wind 3 to 8 mph. Chance of precipitation is 60%.

Sunday Night

Scattered thunderstorms

Overnight low:
74°F

Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 74. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.