Alton, Missouri | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast day icon
    Monday
    70% Chance of Storms
    68°
    Forecast night icon
    Night
    60% Chance of Storms
    61°
    Monday 5/13
    Day
    68°
    70% Chance of Storms
    Forecast day icon
    Night
    61°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Numerous showers. Isolated thunderstorms this morning then a chance of thunderstorms this afternoon. Highs in the lower 70s. South winds 5 to 10 mph. Chance of rain 70 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms. Showers likely mainly in the evening. Lows in the upper 50s. South winds 5 to 10 mph. Chance of rain 60 percent.
  • Forecast day icon
    Tuesday
    Thunderstorms
    72°
    Forecast night icon
    Night
    Mostly Cloudy
    60°
    Tuesday 5/14
    Day
    72°
    Thunderstorms
    Forecast day icon
    Night
    60°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms. Showers. Highs in the mid 70s. West winds 5 to 10 mph. Chance of rain 90 percent.
    Night Details
    Mostly cloudy. Lows in the upper 50s. Northwest winds around 10 mph.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Wednesday 5/15
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs around 80. Northwest winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    77°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Thursday 5/16
    Day
    77°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    74°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Friday 5/17
    Day
    74°
    40% Chance of Storms
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of thunderstorms. A chance of showers. Highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms. Lows around 60. Highs in the mid 80s. Chance of rain 20 percent.
  • Forecast day icon
    Saturday
    Partly Cloudy
    82°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Saturday 5/18
    Day
    82°
    Partly Cloudy
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a slight chance of showers and thunderstorms. Lows around 60. Highs in the mid 80s. Chance of rain 20 percent.
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms. Lows around 60. Highs in the mid 80s. Chance of rain 20 percent.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    85°
    Forecast night icon
    Night
    30% Chance of Rain
    63°
    Sunday 5/19
    Day
    85°
    40% Chance of Storms
    Forecast day icon
    Night
    63°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A slight chance of showers and thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 80s. Chance of rain 40 percent.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 63F. Dew point will be around 62F with an average humidity of 75%. Winds will be 5 mph from the S.
  • Forecast day icon
    Monday
    Sunny
    81°
    Forecast night icon
    Night
    30% Chance of Rain
    64°
    Monday 5/20
    Day
    81°
    Sunny
    Forecast day icon
    Night
    64°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 81F. Dew point will be around 63F with an average humidity of 69%. Winds will be 5 mph from the SW.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 64F. Dew point will be around 64F with an average humidity of 79%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    78°
    Forecast night icon
    Night
    30% Chance of Rain
    61°
    Tuesday 5/21
    Day
    78°
    30% Chance of Rain
    Forecast day icon
    Night
    61°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 78F. Dew point will be around 62F with an average humidity of 69%. Winds will be 5 mph from the SW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 61F. Dew point will be around 60F with an average humidity of 77%. Winds will be 3 mph from the W.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    77°
    Forecast night icon
    Night
    30% Chance of Rain
    62°
    Wednesday 5/22
    Day
    77°
    30% Chance of Rain
    Forecast day icon
    Night
    62°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 77F. Dew point will be around 60F with an average humidity of 69%. Winds will be 2 mph from the SW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 62F. Dew point will be around 61F with an average humidity of 78%. Winds will be 2 mph from the S.