10-Day Weather Forecast - Alton, MO

Mostly sunny. Humid with highs in the mid 80s. Northeast winds 5 to 10 mph.

Mostly clear. Lows around 60. Northeast winds 5 to 10 mph.

Sunny. Highs in the lower 80s. Northeast winds around 5 mph.

Mostly clear. Lows in the upper 50s. Northeast winds around 5 mph.

Sunny hot with highs in the mid 80s.

Partly cloudy. Lows in the lower 60s.

Partly cloudy with a slight chance of showers and thunderstorms. Hot. Highs in the mid 80s. Lows in the mid 60s. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers and thunderstorms. Hot. Highs in the mid 80s. Lows in the mid 60s. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers and thunderstorms. Hot. Highs in the mid 80s. Lows in the mid 60s. Chance of rain 20 percent.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.

Clear. Low temperature around 74F. Dew point will be around 69F with an average humidity of 73%. Winds will be 4 mph from the SW.

Sunny. High temperature around 92F. Dew point will be around 70F with an average humidity of 62%. Winds will be 6 mph from the SW.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 72F. Dew point will be around 70F with an average humidity of 71%. Winds will be 5 mph from the S.

Sunny with a 35% chance for rain and thunderstorms. High temperature around 91F. Dew point will be around 70F with an average humidity of 64%. Winds will be 6 mph from the SW.

Clear with a 25% chance for rain and thunderstorms. Low temperature around 73F. Dew point will be around 70F with an average humidity of 73%. Winds will be 4 mph from the S.