10-Day Weather Forecast - Johnston City, IL

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  • |35°F
    Mostly Cloudy
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    Tonight

    35°F

    Mostly cloudy. Lows in the upper 20s. Southeast winds around 5 mph.

    Hourly details
  • Day

    40°F

    A slight chance of freezing rain and snow in the morning. Cloudy with a chance of drizzle and freezing drizzle. Highs in the upper 30s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

    Night

    28°F

    Mostly cloudy. Lows in the lower 20s. North winds 5 to 10 mph.

    Hourly details
  • Day

    32°F

    Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 30s. North winds 5 to 10 mph.

    Night

    22°F

    Partly cloudy. Cold with lows around 15. North winds around 5 mph in the evening becoming light and variable.

    Hourly details
  • Day

    40°F

    Mostly sunny. Highs in the upper 30s.

    Night

    36°F

    Mostly clear. Near steady temperature around 30.

    Hourly details
  • Day

    53°F

    Mostly sunny. Highs in the upper 40s.

    Night

    33°F

    Mostly clear. Lows in the mid 20s. Highs in the upper 30s.

    Hourly details
  • Weekend Weather

  • Day

    45°F

    Mostly clear. Lows in the mid 20s. Highs in the upper 30s.

    Night

    34°F

    Partly cloudy. Lows in the mid 20s. Highs in the lower 40s.

    Hourly details
  • Day

    50°F

    Partly cloudy. Lows in the mid 20s. Highs in the lower 40s.

    Night

    31°F

    Partly cloudy. Lows in the mid 20s. Highs in the lower 40s.

    Hourly details
  • Day

    47°F

    Mostly sunny. Highs in the upper 40s.

    Night

    35°F

    Clear. Low temperature around 35F. Dew point will be around 18F with an average humidity of 45%. Winds will be 5 mph from the SE.

  • Day

    49°F

    Mostly sunny. High temperature around 49F. Dew point will be around 20F with an average humidity of 38%. Winds will be 5 mph from the SE.

    Night

    41°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 26F with an average humidity of 50%. Winds will be 5 mph from the SE.

  • Day

    54°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 54F. Dew point will be around 31F with an average humidity of 48%. Winds will be 7 mph from the SE.

    Night

    49°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 49F. Dew point will be around 36F with an average humidity of 57%. Winds will be 6 mph from the S.