10-Day Weather Forecast - Mount Vernon, IL

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  • |27°F
    Mostly Cloudy
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    Tonight

    27°F

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

    Hourly details
  • Day

    35°F

    A slight chance of freezing rain in the morning. Mostly cloudy with a chance of snow and freezing drizzle. Ice accumulation around a trace. Highs in the mid 30s. Northeast winds 5 to 10 mph. Chance of precipitation 30 percent.

    Night

    22°F

    Mostly cloudy. Lows around 19. North winds around 5 mph.

    Hourly details
  • Day

    28°F

    Partly sunny. Highs in the upper 20s. North winds around 5 mph.

    Night

    15°F

    Partly cloudy. Cold with lows around 12. North winds around 5 mph in the evening becoming light and variable.

    Hourly details
  • Day

    35°F

    Partly sunny. Highs in the mid 30s.

    Night

    31°F

    Partly cloudy in the evening then becoming mostly clear. Not as cool. Near steady temperature in the upper 20s.

    Hourly details
  • Day

    48°F

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

    Night

    26°F

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

    Hourly details
  • Weekend Weather

  • Day

    39°F

    Partly cloudy. Highs in the mid 30s. Lows in the lower 20s.

    Night

    28°F

    Partly cloudy. Highs in the mid 30s. Lows in the lower 20s.

    Hourly details
  • Day

    45°F

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

    Night

    24°F

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

    Hourly details
  • Day

    40°F

    Mostly sunny. Highs in the mid 40s.

    Night

    28°F

    Clear. Low temperature around 28F. Dew point will be around 20F with an average humidity of 65%. Winds will be 5 mph from the SE.

  • Day

    42°F

    Partly cloudy. High temperature around 42F. Dew point will be around 22F with an average humidity of 52%. Winds will be 6 mph from the SE.

    Night

    34°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 34F. Dew point will be around 28F with an average humidity of 70%. Winds will be 6 mph from the SE.

  • Day

    47°F

    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 47F. Dew point will be around 31F with an average humidity of 64%. Winds will be 8 mph from the SE.

    Night

    42°F

    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 42F. Dew point will be around 37F with an average humidity of 79%. Winds will be 7 mph from the S.