Alton, Missouri | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    51°
    Wednesday 4/24
    Forecast night icon
    51°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly clear this evening then mostly cloudy with a slight chance of showers. Lows around 50. East winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    63°
    Forecast night icon
    Night
    50% Chance of Storms
    55°
    Thursday 4/25
    Day
    63°
    50% Chance of Storms
    Forecast day icon
    Night
    55°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Cloudy. A slight chance of showers in the morning then a chance of showers with a slight chance of thunderstorms in the afternoon. Cooler with highs in the mid 60s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
    Night Details
    Cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    70% Chance of Storms
    73°
    Forecast night icon
    Night
    70% Chance of Storms
    65°
    Friday 4/26
    Day
    73°
    70% Chance of Storms
    Forecast day icon
    Night
    65°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A slight chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Warmer with highs in the mid 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
    Night Details
    Showers and thunderstorms likely mainly in the evening. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    75°
    Forecast night icon
    Night
    Mostly Cloudy
    66°
    Saturday 4/27
    Day
    75°
    50% Chance of Storms
    Forecast day icon
    Night
    66°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers and thunderstorms. Breezy with highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a slight chance of showers and thunderstorms. Breezy with lows in the mid 60s. Chance of rain 20 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    75°
    Forecast night icon
    Night
    80% Chance of Storms
    64°
    Sunday 4/28
    Day
    75°
    50% Chance of Storms
    Forecast day icon
    Night
    64°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and thunderstorms. Breezy with highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    A chance of thunderstorms. Showers. Lows in the lower 60s. Chance of rain 80 percent.
  • Forecast day icon
    Monday
    60% Chance of Storms
    75°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Monday 4/29
    Day
    75°
    60% Chance of Storms
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers likely mainly in the morning. Highs in the upper 70s. Chance of rain 60 percent.
    Night Details
    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 50s. Highs around 80. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    79°
    Forecast night icon
    Night
    Warm and Humid
    60°
    Tuesday 4/30
    Day
    79°
    Partly Cloudy
    Forecast day icon
    Night
    60°
    Warm and Humid
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 50s. Highs around 80. Chance of rain 20 percent.
    Night Details
    Mostly clear. Hot. Lows in the upper 50s. Highs in the mid 80s.
  • Forecast day icon
    Wednesday
    Sunny
    81°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Wednesday 5/1
    Day
    81°
    Sunny
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly clear. Hot. Lows in the upper 50s. Highs in the mid 80s.
    Night Details
    Partly cloudy. Low temperature around 61F. Dew point will be around 59F with an average humidity of 76%. Winds will be 4 mph from the S.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    77°
    Forecast night icon
    Night
    30% Chance of Rain
    60°
    Thursday 5/2
    Day
    77°
    40% Chance of Rain
    Forecast day icon
    Night
    60°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 77F. Dew point will be around 59F with an average humidity of 69%. Winds will be 4 mph from the S.
    Night Details
    Partly cloudy with a 25% chance for rain and thunderstorms. Low temperature around 60F. Dew point will be around 58F with an average humidity of 75%. Winds will be 4 mph from the S.
  • Forecast day icon
    Friday
    30% Chance of Rain
    77°
    Forecast night icon
    Night
    30% Chance of Rain
    61°
    Friday 5/3
    Day
    77°
    30% Chance of Rain
    Forecast day icon
    Night
    61°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 35% chance for rain and thunderstorms. High temperature around 77F. Dew point will be around 58F with an average humidity of 68%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 58F with an average humidity of 75%. Winds will be 5 mph from the S.