10-Day Weather Forecast - Port Byron, IL

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  • Weekend Weather

  • |25°F
    Snow
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    Tonight

    25°F

    Snow. Total snow accumulation of 3 to 5 inches. Lows in the lower 20s. East winds 5 to 10 mph with gusts up to 20 mph becoming northeast with gusts up to 30 mph. Chance of snow near 100 percent.

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  • Day

    25°F

    Partly sunny with a slight chance of snow in the morning then sunny in the afternoon. Highs in the mid 20s. Temperature falling to around 16 in the afternoon. North winds 10 to 15 mph. Gusts up to 30 mph in the morning. Chance of snow 20 percent.

    Night

    8°F

    Partly cloudy in the evening then becoming mostly cloudy. Much colder with lows around 3 above. North winds 5 to 10 mph. Wind chill values as low as 6 below in the evening.

    Hourly details
  • Day

    24°F

    Partly sunny. Highs in the mid 20s. Southeast winds 5 to 10 mph.

    Night

    22°F

    Mostly cloudy. Not as cool with lows around 18. Temperature rising into the upper 20s after midnight. South winds 10 to 15 mph with gusts up to 25 mph.

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  • Day

    35°F

    Partly sunny in the morning then becoming mostly cloudy. Not as cool with highs around 40.

    Night

    36°F

    Mostly cloudy with a chance of rain. Lows in the upper 20s. Chance of rain 50 percent.

    Hourly details
  • Day

    36°F

    Mostly cloudy. Near steady temperature around 30.

    Night

    22°F

    Mostly cloudy with a 30 percent chance of snow. Lows 15 to 20. Highs in the mid 20s.

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  • Day

    27°F

    Mostly cloudy with a 30 percent chance of snow. Lows 15 to 20. Highs in the mid 20s.

    Night

    16°F

    Mostly cloudy. Lows 5 to 10 above. Highs 10 to 15. Wind chill values as low as 5 below.

    Hourly details
  • Day

    18°F

    Mostly cloudy. Lows 5 to 10 above. Highs 10 to 15. Wind chill values as low as 5 below.

    Night

    2°F

    Mostly cloudy. Colder with lows 5 below to zero. Wind chill values as low as 20 below.

    Hourly details
  • Weekend Weather

  • Day

    12°F

    Mostly sunny. Cold with highs around 10 above. Wind chill values as low as 20 below.

    Night

    8°F

    Partly cloudy. Low temperature around 8F. Dew point will be around 2F with an average humidity of 74%. Winds will be 5 mph from the NW.

  • Day

    17°F

    Partly cloudy. High temperature around 17F. Dew point will be around 6F with an average humidity of 66%. Winds will be 4 mph from the SW.

    Night

    13°F

    Mostly clear. Low temperature around 13F. Dew point will be around 6F with an average humidity of 71%. Winds will be 4 mph from the W.

  • Day

    18°F

    Mostly sunny. High temperature around 18F. Dew point will be around 7F with an average humidity of 66%. Winds will be 3 mph from the W.

    Night

    13°F

    Clear. Low temperature around 13F. Dew point will be around 7F with an average humidity of 71%. Winds will be 3 mph from the W.