10-Day Weather Forecast - McHenry, IL

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  • 36|24°F
    40% Chance Snow Showers
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    Today

    36°F

    Mostly cloudy. A chance of light sprinkles and a slight chance of snow showers late. Windy. Highs around 40. South winds 20 to 25 mph becoming southwest 15 to 25 mph in the afternoon. Gusts up to 40 mph. Chance of precipitation 40 percent.

    Tonight

    24°F

    Mostly cloudy in the evening then becoming partly cloudy. A chance of light sprinkles early in the evening. Lows around 20. West winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    32°F

    Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 30s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the morning.

    Night

    19°F

    Mostly cloudy in the evening then becoming partly cloudy. A slight chance of snow. Lows around 18. Northwest winds around 5 mph becoming northeast after midnight. Chance of precipitation 20 percent.

    Hourly details
  • Day

    36°F

    Partly cloudy. A slight chance of snow in the morning. Highs in the upper 30s. East winds around 5 mph becoming west in the afternoon. Chance of precipitation 20 percent.

    Night

    26°F

    Mostly clear. Lows in the mid 20s.

    Hourly details
  • Day

    56°F

    Mostly sunny. Highs in the mid 50s.

    Night

    30°F

    Partly cloudy. Lows in the upper 20s.

    Hourly details
  • Weekend Weather

  • Day

    34°F

    Mostly cloudy. A chance of snow in the afternoon. Highs around 40. Chance of precipitation 30 percent.

    Night

    20°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows 15 to 20.

    Hourly details
  • Day

    30°F

    Partly cloudy. Highs around 30.

    Night

    21°F

    Mostly cloudy with a 40 percent chance of snow. Lows around 20.

    Hourly details
  • Day

    35°F

    Partly cloudy in the morning then becoming mostly cloudy. A 30 percent chance of snow. Highs in the mid 30s.

    Night

    18°F

    Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 18F. Dew point will be around 19F with an average humidity of 79%. Winds will be 4 mph from the SE.

  • Day

    36°F

    Sunny with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 36F. Dew point will be around 22F with an average humidity of 71%. Winds will be 8 mph from the SW.

    Night

    25°F

    Clear. Low temperature around 25F. Dew point will be around 22F with an average humidity of 79%. Winds will be 9 mph from the SW.

  • Day

    42°F

    Sunny. High temperature around 42F. Dew point will be around 29F with an average humidity of 74%. Winds will be 7 mph from the SW.

    Night

    32°F

    Clear. Low temperature around 32F. Dew point will be around 29F with an average humidity of 83%. Winds will be 7 mph from the S.

  • Day

    47°F

    Mostly cloudy. High temperature around 47F. Dew point will be around 38F with an average humidity of 82%. Winds will be 10 mph from the S.

    Night

    43°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 43F. Dew point will be around 41F with an average humidity of 90%. Winds will be 10 mph from the S.