10-Day Weather Forecast - Mount Vernon, IL

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  • |18°F
    Partly Cloudy
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    Tonight

    18°F

    Partly cloudy. Low temperature around 18F. Dew point will be around 15F with an average humidity of 87%. Winds will be 2 mph from the N.

    Hourly details
  • Day

    32°F

    Partly sunny this morning then becoming mostly cloudy. Highs in the lower 30s. South winds 5 to 10 mph.

    Night

    29°F

    Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature in the upper 20s. Southwest winds around 5 mph.

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  • Day

    45°F

    Partly sunny. Highs in the mid 40s. West winds 10 to 15 mph becoming northwest in the afternoon.

    Night

    27°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 20s. North winds 5 to 10 mph.

    Hourly details
  • Weekend Weather

  • Day

    34°F

    Sunny. Highs in the lower 30s. East winds around 5 mph.

    Night

    24°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s.

    Hourly details
  • Day

    50°F

    Partly sunny in the morning then clearing. Not as cool with highs in the lower 50s.

    Night

    30°F

    Mostly clear. Lows in the upper 20s. Highs in the mid 50s.

    Hourly details
  • Day

    52°F

    Mostly clear. Lows in the upper 20s. Highs in the mid 50s.

    Night

    37°F

    Mostly clear in the evening then becoming partly cloudy. Lows around 40.

    Hourly details
  • Day

    62°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the lower 60s.

    Night

    44°F

    Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.

    Hourly details
  • Day

    54°F

    Partly sunny in the morning then becoming mostly cloudy. A 30 percent chance of showers. Highs in the mid 50s.

    Night

    41°F

    Mostly cloudy. Low temperature around 41F. Dew point will be around 36F with an average humidity of 76%. Winds will be 1 mph from the E.

  • Day

    49°F

    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 49F. Dew point will be around 36F with an average humidity of 67%. Winds will be 1 mph from the SE.

    Night

    40°F

    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 40F. Dew point will be around 36F with an average humidity of 78%. Winds will be 1 mph from the NE.

  • Day

    51°F

    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 51F. Dew point will be around 37F with an average humidity of 68%. Winds will be 2 mph from the S.

    Night

    40°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 40F. Dew point will be around 35F with an average humidity of 76%. Winds will be 1 mph from the W.