10-Day Weather Forecast - Cortland, IL

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  • 6|1°F
    Very Cold
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    Today

    6°F

    Sunny. Continued very cold. Highs around 6 above. Northwest winds 10 to 15 mph. Wind chill values as low as 28 below.

    Tonight

    1°F

    Partly cloudy. Lows around 1 below. Southwest winds 5 to 10 mph increasing to 10 to 15 mph with gusts up to 25 mph after midnight. Wind chill values as low as 17 below.

    Hourly details
  • Day

    23°F

    Mostly cloudy and blustery. Highs in the mid 20s. Southwest winds 15 to 20 mph diminishing to 10 to 15 mph in the afternoon. Gusts up to 30 mph. Wind chill values as low as 13 below in the morning.

    Night

    17°F

    Partly cloudy. Lows around 13. Southwest winds around 5 mph.

    Hourly details
  • Day

    33°F

    Mostly cloudy. Highs in the mid 30s. South winds 5 to 10 mph increasing to southwest 10 to 15 mph in the afternoon.

    Night

    33°F

    Mostly cloudy. Lows in the upper 20s.

    Hourly details
  • Day

    34°F

    Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 30s.

    Night

    31°F

    Mostly cloudy. A chance of rain after midnight. Blustery with lows in the lower 30s. Chance of precipitation 50 percent.

    Hourly details
  • Day

    43°F

    Mostly cloudy with a chance of rain in the morning then partly cloudy in the afternoon. Breezy with highs in the mid 40s. Temperature falling into the lower 30s in the afternoon. Chance of precipitation 50 percent.

    Night

    11°F

    Mostly cloudy in the evening then becoming partly cloudy. Blustery with lows 10 to 15.

    Hourly details
  • Day

    22°F

    Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower 30s.

    Night

    19°F

    Mostly cloudy. Lows in the lower 20s.

    Hourly details
  • Weekend Weather

  • Day

    36°F

    Mostly cloudy. Highs in the lower 40s.

    Night

    20°F

    Partly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 20F. Dew point will be around 24F with an average humidity of 76%. Winds will be 10 mph from the NW.

  • Day

    29°F

    Sunny. High temperature around 29F. Dew point will be around 15F with an average humidity of 63%. Winds will be 3 mph from the N.

    Night

    24°F

    Mostly clear. Low temperature around 24F. Dew point will be around 18F with an average humidity of 74%. Winds will be 4 mph from the S.

  • Day

    36°F

    Mostly cloudy. High temperature around 36F. Dew point will be around 24F with an average humidity of 70%. Winds will be 10 mph from the S.

    Night

    32°F

    Cloudy. Low temperature around 32F. Dew point will be around 30F with an average humidity of 83%. Winds will be 6 mph from the SW.

  • Day

    38°F

    Cloudy. High temperature around 38F. Dew point will be around 31F with an average humidity of 81%. Winds will be 4 mph from the SW.

    Night

    29°F

    Cloudy. Low temperature around 29F. Dew point will be around 28F with an average humidity of 83%. Winds will be 2 mph from the W.