10-Day Weather Forecast - Bethalto, IL

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

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. East winds around 5 mph in the evening, becoming light and variable.

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Southwest winds around 5 mph. Chance of rain 20 percent.

Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Northwest winds around 5 mph. Chance of rain 20 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.

Mostly clear. Highs in the upper 80s.

Mostly clear with a slight chance of showers in the evening, then partly cloudy after midnight. Lows around 70. Chance of rain 20 percent.

Mostly sunny. Highs in the mid 90s.

Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.

Mostly sunny. Highs in the mid 90s. Heat index values up to 100.

Partly cloudy. Low temperature around 74F. Dew point will be around 69F with an average humidity of 71%. Winds will be 3 mph from the SW.

Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 90F. Dew point will be around 69F with an average humidity of 63%. Winds will be 2 mph from the SW.

Clear. Low temperature around 71F. Dew point will be around 67F with an average humidity of 72%. Winds will be 1 mph from the S.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 90F. Dew point will be around 67F with an average humidity of 60%. Winds will be 1 mph from the S.

Partly cloudy. Low temperature around 70F. Dew point will be around 67F with an average humidity of 75%. Winds will be 2 mph from the SE.