Alton, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Windy
    64°
    Friday 5/17
    Forecast night icon
    64°
    Windy
    Hourly
    Night Details
    Mostly clear and windy. Low temperature around 64F. Dew point will be around 52F with an average humidity of 60%. Winds will be 22 mph from the S.
  • Forecast day icon
    Saturday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Saturday 5/18
    Day
    78°
    Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. A chance of sprinkles this morning. Not as warm with highs in the upper 70s. West winds 15 to 20 mph with gusts up to 30 mph.
    Night Details
    Mostly clear. Cooler with lows in the lower 50s. Northwest winds 10 to 15 mph becoming east around 5 mph after midnight.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    70°
    Forecast night icon
    Night
    Thunderstorms
    61°
    Sunday 5/19
    Day
    70°
    70% Chance of Storms
    Forecast day icon
    Night
    61°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers likely. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
    Night Details
    A chance of thunderstorms. Showers. Lows in the upper 50s. Southeast winds 10 to 15 mph. Chance of rain 90 percent.
  • Forecast day icon
    Monday
    40% Chance of Storms
    81°
    Forecast night icon
    Night
    Thunderstorms
    60°
    Monday 5/20
    Day
    81°
    40% Chance of Storms
    Forecast day icon
    Night
    60°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers and thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. West winds 5 to 10 mph becoming north in the afternoon. Chance of rain 40 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening then showers after midnight. Lows in the mid 50s. Chance of rain 90 percent.
  • Forecast day icon
    Tuesday
    Thunderstorms
    72°
    Forecast night icon
    Night
    40% Chance of Storms
    52°
    Tuesday 5/21
    Day
    72°
    Thunderstorms
    Forecast day icon
    Night
    52°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms. Showers. Highs around 70. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 40 percent.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Wednesday 5/22
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy. Lows in the mid 40s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    40% Chance of Storms
    53°
    Thursday 5/23
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Lows around 50. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    73°
    Forecast night icon
    Night
    50% Chance of Rain
    55°
    Friday 5/24
    Day
    73°
    40% Chance of Storms
    Forecast day icon
    Night
    55°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny with a chance of showers and thunderstorms. Highs in the lower 70s. Chance of rain 40 percent.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 55F. Dew point will be around 51F with an average humidity of 71%. Winds will be 3 mph from the S.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    54°
    Saturday 5/25
    Day
    72°
    40% Chance of Rain
    Forecast day icon
    Night
    54°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 35% chance for rain and thunderstorms. High temperature around 72F. Dew point will be around 51F with an average humidity of 60%. Winds will be 4 mph from the W.
    Night Details
    Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 54F. Dew point will be around 50F with an average humidity of 70%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    54°
    Sunday 5/26
    Day
    74°
    40% Chance of Rain
    Forecast day icon
    Night
    54°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 35% chance for rain and thunderstorms. High temperature around 74F. Dew point will be around 53F with an average humidity of 60%. Winds will be 3 mph from the NW.
    Night Details
    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 54F. Dew point will be around 51F with an average humidity of 70%. Winds will be 2 mph from the NW.