Alton, Missouri | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    46°
    Friday 4/19
    Forecast night icon
    46°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Mostly Cloudy
    44°
    Saturday 4/20
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    44°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 60s. North winds 5 to 10 mph. Chance of rain 20 percent.
    Night Details
    Mostly cloudy. Lows in the lower 40s. North winds 5 to 10 mph.
  • Forecast day icon
    Sunday
    Sunny
    63°
    Forecast night icon
    Night
    Mostly Clear
    39°
    Sunday 4/21
    Day
    63°
    Sunny
    Forecast day icon
    Night
    39°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 60s. North winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the upper 30s. North winds 5 to 10 mph.
  • Forecast day icon
    Monday
    Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Monday 4/22
    Day
    67°
    Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Areas of frost in the morning. Sunny. Highs in the upper 60s.
    Night Details
    Mostly clear. Lows in the mid 40s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Tuesday 4/23
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Wednesday 4/24
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 40s. Chance of rain 20 percent.
  • Forecast day icon
    Thursday
    30% Chance of Storms
    68°
    Forecast night icon
    Night
    30% Chance of Storms
    56°
    Thursday 4/25
    Day
    68°
    30% Chance of Storms
    Forecast day icon
    Night
    56°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the upper 60s. Lows in the lower 50s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the upper 60s. Lows in the lower 50s. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    73°
    Forecast night icon
    Night
    60% Chance of Rain
    62°
    Friday 4/26
    Day
    73°
    40% Chance of Storms
    Forecast day icon
    Night
    62°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Cloudy with a 55% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 58F with an average humidity of 76%. Winds will be 8 mph from the S.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    75°
    Forecast night icon
    Night
    80% Chance of Storms
    63°
    Saturday 4/27
    Day
    75°
    50% Chance of Storms
    Forecast day icon
    Night
    63°
    80% Chance of Storms
    Forecast night icon
    Day Details
    Cloudy with a 70% chance for rain and thunderstorms. High temperature around 75F. Dew point will be around 60F with an average humidity of 72%. Winds will be 9 mph from the S.
    Night Details
    Partly cloudy with a 80% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 59F with an average humidity of 72%. Winds will be 10 mph from the S.
  • Forecast day icon
    Sunday
    60% Chance of Storms
    77°
    Forecast night icon
    Night
    70% Chance of Rain
    61°
    Sunday 4/28
    Day
    77°
    60% Chance of Storms
    Forecast day icon
    Night
    61°
    70% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 70% chance for rain and thunderstorms. High temperature around 77F. Dew point will be around 60F with an average humidity of 68%. Winds will be 9 mph from the S.
    Night Details
    Partly cloudy with a 70% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 59F with an average humidity of 74%. Winds will be 6 mph from the S.