10-Day Weather Forecast - Alton, IA

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  • |24°F
    Mostly Clear
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    Tonight

    24°F

    Mostly clear. Low temperature around 24F. Dew point will be around 19F with an average humidity of 73%. Winds will be 10 mph from the W.

    Hourly details
  • Day

    56°F

    Mostly cloudy. A slight chance of rain this afternoon. Windy and not as cool with highs around 60. South winds 20 to 30 mph. Chance of rain 20 percent.

    Night

    28°F

    Mostly cloudy with a chance of rain in the evening then partly cloudy after midnight. Windy with lows in the mid 20s. West winds 20 to 30 mph becoming northwest 30 to 35 mph after midnight. Gusts up to 60 mph. Chance of rain 50 percent.

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  • Day

    39°F

    Mostly sunny in the morning then becoming mostly cloudy. Breezy and much cooler with highs in the lower 40s. Northwest winds 15 to 25 mph with gusts up to 40 mph diminishing to 10 to 15 mph in the afternoon.

    Night

    26°F

    Cloudy. A chance of snow in the evening then snow likely after midnight. Light snow accumulation possible. Lows in the upper 20s. Northeast winds around 5 mph becoming east after midnight. Chance of snow 60 percent.

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  • Weekend Weather

  • Day

    45°F

    Cloudy. A slight chance of snow in the morning then a chance of snow with a slight chance of rain in the afternoon. Little or no additional snow accumulation. Highs in the mid 40s. East winds 10 to 15 mph. Chance of precipitation 30 percent.

    Night

    29°F

    Rain and snow. Patchy blowing snow after midnight. Snow may be heavy at times after midnight. Moderate snow accumulation. Lows in the mid 20s. Chance of precipitation 90 percent.

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  • Day

    31°F

    Snow. Areas of blowing snow in the morning. Blowing snow in the afternoon. Additional light snow accumulation. Windy cooler. Near steady temperature in the mid 20s. Temperature falling into the mid 20s in the afternoon. Chance of snow 90 percent.

    Night

    3°F

    Areas of blowing snow in the evening. Mostly cloudy with a chance of snow in the evening then mostly clear after midnight. Windy and much colder with lows around zero. Chance of snow 50 percent. Wind chill values as low as 20 below.

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  • Day

    22°F

    Sunny cooler with highs around 20. Wind chill values as low as 20 below.

    Night

    10°F

    Mostly cloudy. A slight chance of snow after midnight. Cold with lows around zero. Chance of snow 20 percent.

    Hourly details
  • Day

    37°F

    Cloudy with a 20 percent chance of snow. Not as cool with highs in the lower 30s.

    Night

    22°F

    Mostly cloudy. A slight chance of snow in the evening. Not as cool with lows around 20. Chance of snow 20 percent.

    Hourly details
  • Day

    43°F

    Mostly sunny. Not as cool with highs in the mid 40s.

    Night

    33°F

    Partly cloudy. Low temperature around 33F. Dew point will be around 31F with an average humidity of 86%. Winds will be 7 mph from the S.

  • Day

    57°F

    Partly cloudy. High temperature around 57F. Dew point will be around 39F with an average humidity of 72%. Winds will be 7 mph from the S.

    Night

    42°F

    Partly cloudy. Low temperature around 42F. Dew point will be around 38F with an average humidity of 72%. Winds will be 2 mph from the S.

  • Day

    64°F

    Mostly sunny. High temperature around 64F. Dew point will be around 40F with an average humidity of 57%. Winds will be 4 mph from the NW.

    Night

    39°F

    Mostly clear. Low temperature around 39F. Dew point will be around 36F with an average humidity of 66%. Winds will be 5 mph from the N.