10-Day Weather Forecast - Belleville, IL

Widespread dense fog this morning. Sunny. Highs in the lower 80s. East winds around 5 mph.

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. East winds around 5 mph.

Mostly sunny. Highs in the mid 80s. Southeast winds 5 to 10 mph.

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. Southeast winds around 5 mph.

Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent.

Mostly clear. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 60s. Chance of rain 30 percent.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

Partly sunny. Highs in the upper 80s.

Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.

Partly sunny. Highs in the lower 90s.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 69F. Dew point will be around 67F with an average humidity of 79%. Winds will be 3 mph from the S.

Partly cloudy with a 45% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 70F with an average humidity of 72%. Winds will be 4 mph from the SW.

Mostly clear with a 40% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 67F with an average humidity of 79%. Winds will be 2 mph from the S.

Sunny with a 35% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 69F with an average humidity of 71%. Winds will be 2 mph from the SW.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 66F with an average humidity of 79%. Winds will be 1 mph from the S.