Belleville, IL

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Weather Forecast for Belleville

Tonight

Mostly cloudy, with a low around 58. South wind 7 to 10 mph.

Saturday

Mostly sunny, with a high near 84. Southwest wind 7 to 10 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 61. South wind 6 to 8 mph becoming northwest after midnight.

Sunday

Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 71. North wind 5 to 9 mph. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 54. North wind 3 to 7 mph.

Monday

A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Tuesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

Tuesday Night

A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 50.

Wednesday

Mostly sunny, with a high near 66.

Wednesday Night

Mostly cloudy, with a low around 49.

Thursday

A 20 percent chance of showers. Mostly sunny, with a high near 67.

Thursday Night

A 30 percent chance of showers. Partly cloudy, with a low around 49.

Friday

A 30 percent chance of showers. Mostly cloudy, with a high near 66.