10-Day Weather Forecast - Saint Peter, IL

Mostly sunny. Highs in the upper 70s. South winds around 5 mph.

Mostly cloudy. Lows in the upper 40s. Light and variable winds.

Partly sunny. Highs in the upper 70s.

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.

Mostly cloudy. Highs in the mid 70s.

Mostly cloudy. Lows in the upper 40s.

Mostly sunny. Highs in the mid 70s.

Mostly clear. Lows in the lower 50s.

Partly cloudy. Highs in the lower 70s.

Partly cloudy. Lows in the mid 40s.

Partly cloudy. Highs in the lower 70s.

Clear. Low temperature around 50F. Dew point will be around 47F with an average humidity of 73%. Winds will be 5 mph from the ESE.

Mostly cloudy. High temperature around 76F. Dew point will be around 56F with an average humidity of 63%. Winds will be 6 mph from the S.

Cloudy. Low temperature around 55F. Dew point will be around 51F with an average humidity of 79%. Winds will be 7 mph from the SE.

Cloudy. High temperature around 74F. Dew point will be around 54F with an average humidity of 60%. Winds will be 8 mph from the SSE.

Mostly cloudy with widely scattered thunderstorms. Chance of storms 21%. Low temperature around 63F. Dew point will be around 54F with an average humidity of 76%. Winds will be 12 mph from the S.