10-Day Weather Forecast - Illiopolis, IL

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  • 41|31°F
    Mostly Cloudy
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    Today

    41°F

    Mostly cloudy. Much cooler with highs in the lower 40s. Northeast winds 10 to 15 mph.

    Tonight

    31°F

    Snow. A slight chance of freezing rain after midnight. Snow accumulation around an inch. Ice accumulation around a trace. Lows around 30. East winds around 10 mph with gusts up to 20 mph. Chance of precipitation near 100 percent.

    Hourly details
  • Day

    43°F

    Cloudy. Highs in the lower 40s. East winds around 10 mph with gusts up to 20 mph.

    Night

    38°F

    Cloudy. Rain after midnight. Near steady temperature in the lower 40s. Southeast winds 5 to 10 mph. Chance of rain 80 percent.

    Hourly details
  • Day

    53°F

    Showers. Not as cool with highs in the upper 50s. South winds 5 to 10 mph. Chance of rain 90 percent.

    Night

    49°F

    Showers. Not as cool with lows in the upper 40s. Chance of rain 90 percent.

    Hourly details
  • Day

    60°F

    A chance of thunderstorms. Showers. Highs in the mid 60s. Chance of rain 80 percent.

    Night

    53°F

    Showers likely. Lows in the upper 40s. Chance of rain 70 percent.

    Hourly details
  • Day

    64°F

    Mostly cloudy. Showers likely mainly in the morning. Highs in the mid 60s. Chance of rain 60 percent.

    Night

    55°F

    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers. A chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 50 percent.

    Hourly details
  • Day

    70°F

    Showers likely. Highs around 70. Chance of rain 70 percent.

    Night

    53°F

    Showers likely. Lows in the upper 40s. Chance of rain 70 percent.

    Hourly details
  • Weekend Weather

  • Day

    56°F

    Cloudy. Showers likely mainly in the morning. Highs in the lower 60s. Chance of rain 60 percent.

    Night

    42°F

    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 42F. Dew point will be around 38F with an average humidity of 74%. Winds will be 4 mph from the NW.

  • Day

    60°F

    Mostly sunny. High temperature around 60F. Dew point will be around 40F with an average humidity of 62%. Winds will be 6 mph from the S.

    Night

    47°F

    Partly cloudy. Low temperature around 47F. Dew point will be around 43F with an average humidity of 77%. Winds will be 8 mph from the S.

  • Day

    64°F

    Mostly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 64F. Dew point will be around 51F with an average humidity of 75%. Winds will be 13 mph from the S.

    Night

    53°F

    Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 53F. Dew point will be around 51F with an average humidity of 82%. Winds will be 10 mph from the S.

  • Day

    59°F

    Cloudy with probable rain. Chance of precipitation 65%. High temperature around 59F. Dew point will be around 48F with an average humidity of 74%. Winds will be 7 mph from the SW.

    Night

    42°F

    Cloudy with a chance of rain. Chance of precipitation 55%. Low temperature around 42F. Dew point will be around 41F with an average humidity of 76%. Winds will be 2 mph from the SW.