10-Day Weather Forecast - Cortland, IL

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  • |27°F
    Partly Cloudy
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    Tonight

    27°F

    Partly cloudy in the evening then clearing. Blustery. Lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph diminishing to 5 to 10 mph after midnight.

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  • Day

    45°F

    Mostly sunny in the morning then becoming partly cloudy. Highs in the mid 40s. West winds 5 to 10 mph increasing to southwest 10 to 15 mph in the afternoon.

    Night

    39°F

    Showers likely. Windy with lows in the mid 30s. South winds 15 to 25 mph with gusts up to 35 mph increasing to southwest 20 to 30 mph with gusts up to 45 mph after midnight. Chance of precipitation 70 percent.

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  • Day

    42°F

    Mostly cloudy and windy. Highs in the mid 40s. West winds 20 to 35 mph becoming 25 to 35 mph in the afternoon. Gusts up to 55 mph.

    Night

    28°F

    Partly cloudy in the evening then becoming mostly cloudy. Breezy with lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph diminishing to 5 to 10 mph after midnight.

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  • Weekend Weather

  • Day

    41°F

    Cloudy. A slight chance of snow in the afternoon. Highs in the lower 40s. Chance of precipitation 20 percent.

    Night

    34°F

    Cloudy. A chance of snow and rain showers in the evening then rain and snow showers likely after midnight. Lows in the lower 30s. Chance of precipitation 70 percent.

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  • Day

    51°F

    Rain and snow showers. Breezy with highs in the upper 40s. Chance of precipitation 90 percent.

    Night

    20°F

    Rain and snow showers likely in the evening then a chance of snow showers after midnight. Breezy with lows around 15. Chance of precipitation 60 percent.

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  • Day

    21°F

    Mostly cloudy and blustery. Highs in the mid 20s.

    Night

    10°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows around 5 above.

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  • Day

    30°F

    Mostly sunny. Highs in the upper 20s. Wind chill values as low as 10 below in the morning.

    Night

    19°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows around 20.

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  • Day

    37°F

    Mostly cloudy. Highs around 40.

    Night

    26°F

    Partly cloudy. Low temperature around 26F. Dew point will be around 26F with an average humidity of 91%. Winds will be 3 mph from the SE.

  • Day

    44°F

    Mostly cloudy. High temperature around 44F. Dew point will be around 35F with an average humidity of 87%. Winds will be 9 mph from the S.

    Night

    37°F

    Partly cloudy. Low temperature around 37F. Dew point will be around 38F with an average humidity of 95%. Winds will be 8 mph from the S.

  • Day

    55°F

    Cloudy. High temperature around 55F. Dew point will be around 44F with an average humidity of 83%. Winds will be 6 mph from the SW.

    Night

    37°F

    Partly cloudy. Low temperature around 37F. Dew point will be around 40F with an average humidity of 87%. Winds will be 3 mph from the N.