10-Day Weather Forecast - Belleville, IL

Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph.

Partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph.

Partly sunny. Highs in the lower 80s. Northeast winds around 5 mph.

Partly cloudy. Lows in the mid 60s.

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Mostly clear. Lows around 70. Highs around 90. Heat index values up to 100.

Mostly clear. Lows around 70. Highs around 90. Heat index values up to 100.

Mostly clear. Lows around 70. Highs around 90. Heat index values up to 100.

Mostly clear. Lows around 70. Highs around 90. Heat index values up to 100.

Mostly clear. Lows around 70. Highs around 90. Heat index values up to 100.

Mostly clear. Lows around 70. Highs around 90. Heat index values up to 100.

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 73F. Dew point will be around 72F with an average humidity of 80%. Winds will be 6 mph from the S.

Sunny with a 25% chance for rain and thunderstorms. High temperature around 94F. Dew point will be around 74F with an average humidity of 68%. Winds will be 8 mph from the S.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 74F. Dew point will be around 72F with an average humidity of 78%. Winds will be 7 mph from the S.

Sunny with a 40% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 74F with an average humidity of 69%. Winds will be 5 mph from the S.

Clear with a 40% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 72F with an average humidity of 80%. Winds will be 3 mph from the SW.

Sunny with a chance of rain. Chance of precipitation 45%. High temperature around 89F. Dew point will be around 72F with an average humidity of 70%. Winds will be 2 mph from the SW.

Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 71F. Dew point will be around 69F with an average humidity of 79%. Winds will be 2 mph from the SW.