10-Day Weather Forecast - Olney, IL

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  • 43|20°F
    Chance of Flurries
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    Today

    43°F

    Mostly cloudy with a chance of flurries. Breezy and much cooler with highs in the lower 40s. Temperature falling to around 30 this afternoon. Northwest winds 15 to 25 mph with gusts up to 35 mph.

    Tonight

    20°F

    Partly cloudy in the evening then clearing. Much cooler with lows around 18. Northwest winds 15 to 20 mph with gusts up to 30 mph diminishing to around 10 mph with gusts up to 20 mph after midnight.

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  • Day

    29°F

    Sunny cooler with highs around 30. Northwest winds 5 to 10 mph becoming west in the afternoon.

    Night

    25°F

    Mostly cloudy. A chance of snow after midnight. Little or no snow accumulation. Lows in the lower 20s. Temperature rising into the lower 30s after midnight. South winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 40 percent.

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  • Day

    42°F

    Partly sunny in the morning then becoming mostly cloudy. Not as cool with highs in the lower 40s. West winds 15 to 20 mph.

    Night

    26°F

    Mostly cloudy. Lows around 20. Highs in the mid 20s.

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  • Weekend Weather

  • Day

    26°F

    Mostly cloudy. Lows around 20. Highs in the mid 20s.

    Night

    13°F

    Partly cloudy. Lows around 10 above. Highs in the lower 20s. Wind chill values as low as 5 below.

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  • Day

    23°F

    Partly cloudy. Lows around 10 above. Highs in the lower 20s. Wind chill values as low as 5 below.

    Night

    19°F

    Partly cloudy. Lows around 10 above. Highs in the lower 20s. Wind chill values as low as 5 below.

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  • Day

    25°F

    Mostly sunny. Highs in the upper 20s.

    Night

    10°F

    Mostly clear. Lows around 10 above.

    Hourly details
  • Day

    27°F

    Mostly sunny. Highs around 30.

    Night

    21°F

    Partly cloudy. Low temperature around 21F. Dew point will be around 12F with an average humidity of 61%. Winds will be 7 mph from the S.

  • Day

    36°F

    Mostly cloudy. High temperature around 36F. Dew point will be around 16F with an average humidity of 56%. Winds will be 6 mph from the SW.

    Night

    24°F

    Mostly clear. Low temperature around 24F. Dew point will be around 19F with an average humidity of 73%. Winds will be 2 mph from the SW.

  • Day

    35°F

    Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 35F. Dew point will be around 22F with an average humidity of 66%. Winds will be 4 mph from the S.

    Night

    33°F

    Mostly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 33F. Dew point will be around 28F with an average humidity of 79%. Winds will be 5 mph from the S.

  • Day

    40°F

    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 40F. Dew point will be around 32F with an average humidity of 78%. Winds will be 3 mph from the S.

    Night

    32°F

    Cloudy with a chance of rain-snow mix. Chance of precipitation 50%. Low temperature around 32F. Dew point will be around 31F with an average humidity of 86%. Winds will be 2 mph from the NE.