10-Day Weather Forecast - Lanark, IL

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  • |-1°F
    Partly Cloudy
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    Tonight

    -1°F

    Partly cloudy this evening then becoming mostly cloudy. Cold with lows around 3 below. Temperature rising to around 3 above after midnight. Southwest winds 10 to 15 mph. Wind chill values as low as 20 below.

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  • Day

    23°F

    Partly sunny. Not as cool with highs in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 13 below in the morning.

    Night

    15°F

    Partly cloudy. Not as cool with lows around 13. Southwest winds around 5 mph.

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  • Day

    33°F

    Partly sunny. Highs in the mid 30s. South winds 5 to 10 mph.

    Night

    30°F

    Mostly cloudy in the evening then becoming partly cloudy. Not as cool with lows in the mid 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph becoming west after midnight.

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  • Day

    34°F

    Mostly sunny. Highs in the upper 30s.

    Night

    32°F

    Mostly cloudy. A chance of rain after midnight. Lows in the upper 20s. Temperature rising into the upper 30s after midnight. Chance of rain 50 percent.

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  • Day

    39°F

    A chance of rain in the morning. Mostly cloudy. Highs in the lower 40s. Temperature falling into the mid 20s in the afternoon. Chance of rain 50 percent.

    Night

    8°F

    Mostly cloudy in the evening then becoming partly cloudy. Much colder with lows zero to 5 above zero. Wind chill values as low as 5 below after midnight.

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  • Day

    22°F

    Mostly cloudy. Highs in the mid 20s. Lows around 20. Wind chill values as low as 5 below.

    Night

    22°F

    Mostly cloudy. Highs in the mid 20s. Lows around 20. Wind chill values as low as 5 below.

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  • Weekend Weather

  • Day

    39°F

    Mostly cloudy. Highs in the lower 40s. Lows around 20.

    Night

    19°F

    Mostly cloudy. Highs in the lower 40s. Lows around 20.

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  • Day

    29°F

    Mostly sunny. Cooler with highs in the lower 30s.

    Night

    22°F

    Clear. Low temperature around 22F. Dew point will be around 17F with an average humidity of 76%. Winds will be 5 mph from the SE.

  • Day

    35°F

    Mostly cloudy. High temperature around 35F. Dew point will be around 25F with an average humidity of 75%. Winds will be 8 mph from the S.

    Night

    31°F

    Cloudy. Low temperature around 31F. Dew point will be around 29F with an average humidity of 86%. Winds will be 4 mph from the S.

  • Day

    38°F

    Cloudy. High temperature around 38F. Dew point will be around 31F with an average humidity of 86%. Winds will be 2 mph from the W.

    Night

    28°F

    Cloudy. Low temperature around 28F. Dew point will be around 27F with an average humidity of 86%. Winds will be 2 mph from the N.