10-Day Weather Forecast - Mount Vernon, IL

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  • |24°F
    Mostly Cloudy
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    Tonight

    24°F

    Mostly cloudy and much cooler. Near steady temperature in the upper 20s. West winds 15 to 20 mph with gusts up to 35 mph.

    Hourly details
  • Day

    34°F

    Sunny cooler with highs in the upper 30s. West winds 10 to 15 mph. Gusts up to 30 mph in the morning.

    Night

    32°F

    Mostly clear. Near steady temperature in the lower 30s. South winds 10 to 15 mph.

    Hourly details
  • Weekend Weather

  • Day

    49°F

    Mostly sunny. Not as cool with highs in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

    Night

    30°F

    Partly cloudy. Lows in the upper 20s. Northwest winds around 5 mph.

    Hourly details
  • Day

    42°F

    Mostly sunny. Highs in the lower 40s.

    Night

    29°F

    Mostly cloudy. Lows in the upper 20s. Highs in the upper 40s.

    Hourly details
  • Day

    43°F

    Mostly cloudy. Lows in the upper 20s. Highs in the upper 40s.

    Night

    42°F

    Mostly cloudy. Lows in the lower 40s. Highs around 60.

    Hourly details
  • Day

    56°F

    Mostly cloudy. Lows in the lower 40s. Highs around 60.

    Night

    49°F

    Mostly cloudy. Lows in the upper 40s. Highs in the mid 60s.

    Hourly details
  • Day

    58°F

    Mostly cloudy. Lows in the upper 40s. Highs in the mid 60s.

    Night

    57°F

    Mostly cloudy. Lows in the upper 50s. Highs in the upper 60s.

    Hourly details
  • Day

    66°F

    Mostly cloudy. Lows in the upper 50s. Highs in the upper 60s.

    Night

    52°F

    Partly cloudy. Low temperature around 52F. Dew point will be around 56F with an average humidity of 94%. Winds will be 9 mph from the SW.

  • Day

    62°F

    Partly cloudy. High temperature around 62F. Dew point will be around 53F with an average humidity of 83%. Winds will be 6 mph from the SW.

    Night

    51°F

    Partly cloudy. Low temperature around 51F. Dew point will be around 52F with an average humidity of 93%. Winds will be 5 mph from the S.

  • Weekend Weather

  • Day

    58°F

    Cloudy. High temperature around 58F. Dew point will be around 52F with an average humidity of 88%. Winds will be 2 mph from the S.

    Night

    46°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 46F. Dew point will be around 48F with an average humidity of 91%. Winds will be 1 mph from the NE.