10-Day Weather Forecast - Alton, MO

Sunny. Not as cool with highs in the lower 40s. South winds 5 to 10 mph.

Mostly clear. Not as cold with lows in the mid 20s. Southwest winds around 5 mph.

Sunny. Not as cool with highs in the lower 50s. South winds 5 to 10 mph.

Mostly cloudy. Not as cool with lows in the mid 30s. Southwest winds 5 to 10 mph.

Mostly sunny. Highs in the upper 50s.

Mostly cloudy. A slight chance of showers after midnight. Not as cool with lows in the upper 40s. Temperature rising into the lower 50s after midnight. Chance of rain 20 percent.

Mostly cloudy with a chance of showers in the morning then mostly sunny with a slight chance of showers in the afternoon. Highs in the lower 60s. Temperature falling into the lower 50s in the afternoon. Chance of rain 50 percent.

Mostly clear. Lows in the lower 20s. Highs in the mid 40s.

Mostly clear. Lows in the lower 20s. Highs in the mid 40s.

Partly cloudy. Cold with lows in the lower 30s. Temperature rising into the mid 30s after midnight.

Partly sunny. Not as cool with highs around 60.

Mostly cloudy. A slight chance of showers after midnight. Lows around 40. Chance of rain 20 percent.

Partly sunny. Highs in the mid 50s.

Cloudy. Low temperature around 37F. Dew point will be around 35F with an average humidity of 83%. Winds will be 6 mph from the E.

Cloudy. High temperature around 49F. Dew point will be around 40F with an average humidity of 82%. Winds will be 5 mph from the SE.

Cloudy. Low temperature around 47F. Dew point will be around 46F with an average humidity of 96%. Winds will be 6 mph from the S.

Cloudy. High temperature around 57F. Dew point will be around 49F with an average humidity of 85%. Winds will be 4 mph from the SW.

Cloudy. Low temperature around 44F. Dew point will be around 45F with an average humidity of 90%. Winds will be 1 mph from the NE.