10-Day Weather Forecast - Alton, MO

Sunny cooler with highs in the upper 40s. West winds 5 to 10 mph with gusts up to 25 mph becoming southwest in the afternoon.

Mostly clear. Lows in the lower 30s. South winds 5 to 10 mph with gusts up to 25 mph.

Sunny. Not as cool with highs around 60. South winds 10 to 15 mph becoming west in the afternoon.

Partly cloudy. Cold with lows in the lower 30s. North winds around 5 mph.

Partly cloudy. Highs around 50. Lows around 30.

Partly cloudy. Highs around 50. Lows around 30.

Mostly cloudy. Highs around 50. Lows in the lower 40s.

Mostly cloudy. Highs around 50. Lows in the lower 40s.

Mostly cloudy. Highs in the upper 60s. Lows in the lower 50s.

Mostly cloudy. Highs in the upper 60s. Lows in the lower 50s.

Mostly cloudy. Highs in the upper 60s. Lows in the lower 50s.

Partly cloudy. Lows in the mid 50s. Highs in the lower 70s.

Partly cloudy. Lows in the mid 50s. Highs in the lower 70s.

Mostly clear. Low temperature around 53F. Dew point will be around 54F with an average humidity of 89%. Winds will be 6 mph from the SW.

Mostly cloudy. High temperature around 66F. Dew point will be around 54F with an average humidity of 76%. Winds will be 5 mph from the SW.

Partly cloudy. Low temperature around 52F. Dew point will be around 53F with an average humidity of 89%. Winds will be 4 mph from the SW.

Mostly cloudy. High temperature around 64F. Dew point will be around 54F with an average humidity of 81%. Winds will be 4 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 50F with an average humidity of 87%. Winds will be 1 mph from the S.