Alton, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Thunderstorms
    48°
    Friday 5/3
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s. South winds 10 to 15 mph.
    Night Details
    Mostly cloudy. A chance of showers in the evening then showers with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Southeast winds 10 to 15 mph becoming north after midnight. Chance of rain 90 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    58°
    Forecast night icon
    Night
    Clear
    41°
    Saturday 5/4
    Day
    58°
    50% Chance Rain Showers
    Forecast day icon
    Night
    41°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers in the morning then sunny in the afternoon. Highs in the lower 60s. North winds 10 to 15 mph. Chance of rain 50 percent.
    Night Details
    Clear. Lows in the upper 30s. North winds 5 to 10 mph becoming northeast after midnight.
  • Forecast day icon
    Sunday
    Sunny
    62°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Sunday 5/5
    Day
    62°
    Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 60s. Southeast winds 10 to 15 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Not as cool with lows around 50.
  • Forecast day icon
    Monday
    70% Chance of Storms
    71°
    Forecast night icon
    Night
    80% Chance of Storms
    53°
    Monday 5/6
    Day
    71°
    70% Chance of Storms
    Forecast day icon
    Night
    53°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Windy with highs in the lower 70s. Chance of rain 70 percent.
    Night Details
    A chance of thunderstorms. Showers mainly in the evening. Windy with lows around 50. Chance of rain 80 percent.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Tuesday 5/7
    Day
    64°
    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 upper 40s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Wednesday 5/8
    Day
    64°
    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
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    45°
    Thursday 5/9
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the lower 60s.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 42F with an average humidity of 70%. Winds will be 11 mph from the N.
  • Forecast day icon
    Friday
    30% Chance of Rain
    59°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Friday 5/10
    Day
    59°
    30% Chance of Rain
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 59F. Dew point will be around 42F with an average humidity of 67%. Winds will be 10 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 43F. Dew point will be around 40F with an average humidity of 70%. Winds will be 6 mph from the N.
  • Forecast day icon
    Saturday
    Sunny
    62°
    Forecast night icon
    Night
    Clear
    45°
    Saturday 5/11
    Day
    62°
    Sunny
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 62F. Dew point will be around 39F with an average humidity of 57%. Winds will be 7 mph from the NW.
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 38F with an average humidity of 62%. Winds will be 2 mph from the N.
  • Forecast day icon
    Sunday
    Sunny
    65°
    Forecast night icon
    Night
    Clear
    47°
    Sunday 5/12
    Day
    65°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 41F with an average humidity of 56%. Winds will be 3 mph from the SW.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 42F with an average humidity of 63%. Winds will be 2 mph from the SE.