10-Day Weather Forecast - Winnebago, IL

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  • |-4°F
    Mostly Cloudy
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    Tonight

    -4°F

    Mostly clear late in the evening then becoming mostly cloudy. Patchy freezing fog after midnight. Very cold. Lows around 3 below. Temperature rising to around 7 above after midnight. South winds 5 to 10 mph. Wind chill values as low as 15 below.

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  • Day

    25°F

    Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 20s. Southwest winds 10 to 15 mph.

    Night

    23°F

    Mostly cloudy. A chance of snow with patchy freezing drizzle in the evening. Lows in the lower 20s. West winds 5 to 10 mph. Chance of precipitation 30 percent.

    Hourly details
  • Weekend Weather

  • Day

    24°F

    Mostly cloudy. Highs in the mid 20s. Northwest winds 5 to 10 mph.

    Night

    17°F

    Mostly cloudy. A chance of snow in the evening then snow likely after midnight. Some snow accumulation possible. Near steady temperature around 16. Northeast winds 5 to 10 mph. Chance of precipitation 60 percent.

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  • Day

    20°F

    Mostly cloudy with a chance of snow in the morning then partly cloudy in the afternoon. Highs in the lower 20s. Chance of precipitation 30 percent.

    Night

    1°F

    Partly cloudy. Lows 5 below to zero.

    Hourly details
  • Day

    18°F

    Mostly cloudy. Highs around 20.

    Night

    15°F

    Snow likely. Lows around 10 above. Temperature rising into the lower 20s after midnight. Chance of precipitation 70 percent.

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  • Day

    30°F

    Mostly cloudy. Highs around 30.

    Night

    29°F

    Cloudy. A chance of snow in the evening then snow likely after midnight. Lows around 20. Temperature rising into the upper 20s after midnight. Chance of precipitation 70 percent.

    Hourly details
  • Day

    31°F

    Mostly cloudy with a 50 percent chance of snow. Near steady temperature in the upper 20s.

    Night

    15°F

    Mostly cloudy. Lows 5 to 10 above.

    Hourly details
  • Day

    23°F

    Mostly cloudy. Highs in the lower 20s.

    Night

    12°F

    Partly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 12F. Dew point will be around 11F with an average humidity of 84%. Winds will be 7 mph from the W.

  • Day

    20°F

    Cloudy. High temperature around 20F. Dew point will be around 12F with an average humidity of 79%. Winds will be 7 mph from the W.

    Night

    12°F

    Partly cloudy. Low temperature around 12F. Dew point will be around 10F with an average humidity of 81%. Winds will be 6 mph from the W.

  • Weekend Weather

  • Day

    21°F

    Partly cloudy. High temperature around 21F. Dew point will be around 13F with an average humidity of 80%. Winds will be 4 mph from the W.

    Night

    18°F

    Cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 18F. Dew point will be around 15F with an average humidity of 84%. Winds will be 2 mph from the SW.