10-Day Weather Forecast - Alton, MO

Sunny hot with highs in the upper 80s. Southwest winds around 5 mph.

Mostly clear. Lows in the mid 50s. West winds around 5 mph.

Sunny hot with highs in the upper 80s. West winds around 5 mph.

Clear. Lows around 60. South winds around 5 mph.

Mostly clear. Hot. Highs in the lower 90s. Lows in the upper 40s.

Mostly clear. Hot. Highs in the lower 90s. Lows in the upper 40s.

Sunny in the morning then becoming partly sunny. Not as warm with highs in the mid 60s.

Mostly cloudy. Lows in the lower 40s.

Mostly sunny. Highs in the upper 60s.

Mostly cloudy. Lows in the upper 40s.

Mostly sunny. Warmer with highs in the upper 70s.

Mostly clear. Lows in the mid 50s. Highs in the lower 80s.

Mostly clear. Lows in the mid 50s. Highs in the lower 80s.

Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 51F. Dew point will be around 45F with an average humidity of 52%. Winds will be 3 mph from the SW.

Sunny. High temperature around 60F. Dew point will be around 34F with an average humidity of 45%. Winds will be 6 mph from the NE.

Clear. Low temperature around 40F. Dew point will be around 28F with an average humidity of 46%. Winds will be 6 mph from the NE.

Sunny. High temperature around 59F. Dew point will be around 30F with an average humidity of 46%. Winds will be 6 mph from the SE.

Mostly clear. Low temperature around 45F. Dew point will be around 34F with an average humidity of 51%. Winds will be 3 mph from the SE.