Alton, Missouri | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    63°
    Tuesday 5/7
    Forecast night icon
    63°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Low temperature around 63F. Dew point will be around 59F with an average humidity of 78%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Wednesday
    40% Chance of Storms
    80°
    Forecast night icon
    Night
    50% Chance of Storms
    61°
    Wednesday 5/8
    Day
    80°
    40% Chance of Storms
    Forecast day icon
    Night
    61°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny early then becoming partly sunny. Isolated showers and thunderstorms this morning. Scattered showers and thunderstorms this afternoon. Some thunderstorms may be severe. Humid with highs in the lower 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph becoming south 10 to 15 mph with gusts up to 25 mph this afternoon. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with scattered showers and thunderstorms in the evening then partly cloudy with isolated showers and thunderstorms after midnight. Some thunderstorms may be severe. Humid with lows in the upper 50s. Southwest winds 10 to 15 mph becoming northwest 5 to 10 mph after midnight. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Thursday 5/9
    Day
    78°
    Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Less humid with highs around 80. Northwest winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the lower 50s. North winds 5 to 10 mph.
  • Forecast day icon
    Friday
    Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    52°
    Friday 5/10
    Day
    71°
    Sunny
    Forecast day icon
    Night
    52°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s. North winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Saturday 5/11
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    Mostly Cloudy
    59°
    Sunday 5/12
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    59°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent.
    Night Details
    Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    50% Chance of Storms
    74°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Monday 5/13
    Day
    74°
    50% Chance of Storms
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. 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. A chance of showers and thunderstorms. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    76°
    Forecast night icon
    Night
    40% Chance of Rain
    63°
    Tuesday 5/14
    Day
    76°
    50% Chance of Storms
    Forecast day icon
    Night
    63°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 60F with an average humidity of 81%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    77°
    Forecast night icon
    Night
    60% Chance of Storms
    63°
    Wednesday 5/15
    Day
    77°
    60% Chance of Storms
    Forecast day icon
    Night
    63°
    60% Chance of Storms
    Forecast night icon
    Day Details
    Cloudy with a 55% chance for rain and thunderstorms. High temperature around 77F. Dew point will be around 62F with an average humidity of 74%. Winds will be 3 mph from the S.
    Night Details
    Partly cloudy with a 55% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 62F with an average humidity of 83%. Winds will be 2 mph from the S.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    77°
    Forecast night icon
    Night
    40% Chance of Rain
    62°
    Thursday 5/16
    Day
    77°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 50% chance for rain and thunderstorms. High temperature around 77F. Dew point will be around 62F with an average humidity of 73%. Winds will be 2 mph from the W.
    Night Details
    Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 62F with an average humidity of 81%. Winds will be 2 mph from the W.