Alton, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    50% Chance of Storms
    56°
    Sunday 5/12
    Forecast night icon
    56°
    50% Chance of Storms
    Hourly
    Night Details
    Mostly cloudy with a slight chance of thunderstorms. A chance of showers late this evening then a slight chance of showers. Lows in the mid 50s. Southeast winds 5 to 10 mph becoming northeast. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    Partly Sunny
    75°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Monday 5/13
    Day
    75°
    Partly Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then clearing. Areas of smoke in the morning then hazy in the afternoon. Not as warm with highs in the lower 70s. Northeast winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the mid 40s. Northeast winds 10 to 15 mph.
  • Forecast day icon
    Tuesday
    Sunny
    76°
    Forecast night icon
    Night
    40% Chance of Storms
    55°
    Tuesday 5/14
    Day
    76°
    Sunny
    Forecast day icon
    Night
    55°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s. East winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    70°
    Forecast night icon
    Night
    50% Chance of Storms
    51°
    Wednesday 5/15
    Day
    70°
    60% Chance of Storms
    Forecast day icon
    Night
    51°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 60 percent.
    Night Details
    A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    40% Chance Rain Showers
    73°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Thursday 5/16
    Day
    73°
    40% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows around 50.
  • Forecast day icon
    Friday
    Sunny
    83°
    Forecast night icon
    Night
    40% Chance of Storms
    53°
    Friday 5/17
    Day
    83°
    Sunny
    Forecast day icon
    Night
    53°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s.
    Night Details
    Mostly clear with a chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 40 percent.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    73°
    Forecast night icon
    Night
    40% Chance Rain Showers
    55°
    Saturday 5/18
    Day
    73°
    40% Chance Rain Showers
    Forecast day icon
    Night
    55°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. A chance of showers. Lows in the lower 50s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Clear
    52°
    Sunday 5/19
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 44F with an average humidity of 61%. Winds will be 4 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Monday 5/20
    Day
    72°
    30% Chance of Rain
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 72F. Dew point will be around 46F with an average humidity of 52%. Winds will be 4 mph from the NW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 52F. Dew point will be around 45F with an average humidity of 60%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    54°
    Tuesday 5/21
    Day
    74°
    40% Chance of Rain
    Forecast day icon
    Night
    54°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 74F. Dew point will be around 48F with an average humidity of 52%. Winds will be 2 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 54F. Dew point will be around 48F with an average humidity of 64%. Winds will be 3 mph from the SE.