10-Day Weather Forecast - Round Lake, IL

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  • |12°F
    Mostly Cloudy
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    Tonight

    12°F

    Mostly cloudy. A slight chance of snow after midnight. Lows around 14. Northwest winds around 5 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    27°F

    Partly cloudy in the morning then clearing. Highs in the lower 20s. North winds 5 to 10 mph.

    Night

    11°F

    Partly cloudy. Lows around 8 above. North winds around 5 mph.

    Hourly details
  • Day

    27°F

    Partly cloudy in the morning then becoming mostly sunny. Highs in the mid 20s. Northwest winds around 5 mph.

    Night

    15°F

    Mostly clear in the evening then becoming mostly cloudy. Lows around 12. West winds around 5 mph.

    Hourly details
  • Day

    31°F

    Mostly cloudy. Highs in the lower 30s.

    Night

    30°F

    Mostly cloudy. A slight chance of snow after midnight. Near steady temperature around 30. Chance of precipitation 20 percent.

    Hourly details
  • Day

    40°F

    Mostly cloudy. Highs in the mid 30s.

    Night

    15°F

    Partly cloudy. Lows around 10 above.

    Hourly details
  • Weekend Weather

  • Day

    28°F

    Partly cloudy. Highs in the mid 20s.

    Night

    23°F

    Mostly cloudy. Lows 10 to 15.

    Hourly details
  • Day

    34°F

    Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 20s.

    Night

    16°F

    Partly cloudy. Lows 15 to 20.

    Hourly details
  • Day

    29°F

    Mostly cloudy. Highs in the mid 30s.

    Night

    22°F

    Clear. Low temperature around 22F. Dew point will be around 17F with an average humidity of 77%. Winds will be 6 mph from the S.

  • Day

    34°F

    Sunny. High temperature around 34F. Dew point will be around 22F with an average humidity of 72%. Winds will be 6 mph from the S.

    Night

    28°F

    Partly cloudy. Low temperature around 28F. Dew point will be around 25F with an average humidity of 81%. Winds will be 7 mph from the SE.

  • Day

    38°F

    Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 38F. Dew point will be around 29F with an average humidity of 77%. Winds will be 8 mph from the SE.

    Night

    34°F

    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 34F. Dew point will be around 31F with an average humidity of 84%. Winds will be 8 mph from the SE.