10-Day Weather Forecast - Alton, MO

Partly cloudy. Highs in the upper 40s. Light and variable winds becoming southwest around 5 mph.

Mostly clear. Not as cold with lows in the lower 30s. West winds around 5 mph.

Sunny. Not as cool with highs in the lower 60s. Northwest winds 5 to 10 mph with gusts up to 25 mph.

Mostly clear. Cold with lows in the upper 20s. North winds around 5 mph.

Mostly sunny. Much cooler with highs in the mid 40s. Northeast winds around 5 mph becoming southeast in the afternoon.

Partly cloudy. Lows in the upper 20s. Highs in the lower 60s.

Partly cloudy. Lows in the upper 20s. Highs in the lower 60s.

Mostly clear. Lows in the mid 30s. Highs in the mid 60s.

Mostly clear. Lows in the mid 30s. Highs in the mid 60s.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the mid 40s.

Mostly cloudy. A slight chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.

Mostly cloudy. A slight chance of showers in the evening then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

Partly sunny in the morning then becoming mostly cloudy. A 20 percent chance of showers. Highs in the mid 60s.

Partly cloudy. Low temperature around 44F. Dew point will be around 42F with an average humidity of 77%. Winds will be 2 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 54F. Dew point will be around 42F with an average humidity of 73%. Winds will be 2 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 44F. Dew point will be around 41F with an average humidity of 79%. Winds will be 2 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 53F. Dew point will be around 41F with an average humidity of 72%. Winds will be 2 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 40F. Dew point will be around 37F with an average humidity of 75%. Winds will be 1 mph from the NW.