10-Day Weather Forecast - Mount Vernon, IL

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  • 67|31°F
    Thunderstorms
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    Today

    67°F

    Showers with a chance of thunderstorms. Some thunderstorms may produce damaging winds large hail and tornadoes this morning. Breezy with highs in the upper 60s. Temperature falling into the mid 40s this afternoon. Southwest winds 20 to 25 mph becoming northwest 15 to 20 mph this afternoon. Chance of rain 90 percent.

    Tonight

    31°F

    Mostly cloudy in the evening then clearing. Much cooler with lows in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

    Hourly details
  • Day

    51°F

    Sunny. Highs in the lower 50s. West winds 5 to 10 mph.

    Night

    40°F

    Partly cloudy. Lows in the lower 40s. South winds 15 to 20 mph.

    Hourly details
  • Day

    60°F

    Partly sunny. Highs in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph.

    Night

    34°F

    Partly cloudy. Lows in the mid 30s. Highs in the mid 60s.

    Hourly details
  • Weekend Weather

  • Day

    59°F

    Partly cloudy. Lows in the mid 30s. Highs in the mid 60s.

    Night

    44°F

    Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the lower 50s.

    Hourly details
  • Day

    66°F

    Mostly cloudy. A chance of showers in the morning then showers likely in the afternoon. Breezy with highs in the upper 60s. Chance of rain 70 percent.

    Night

    24°F

    Mostly cloudy with a chance of rain and snow showers in the evening then partly cloudy after midnight. Breezy and much cooler with lows in the mid 20s. Chance of precipitation 40 percent.

    Hourly details
  • Day

    34°F

    Sunny. Much cooler with highs in the upper 30s.

    Night

    17°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows around 20.

    Hourly details
  • Day

    37°F

    Partly sunny. Highs in the lower 40s.

    Night

    30°F

    Cloudy. Low temperature around 30F. Dew point will be around 20F with an average humidity of 60%. Winds will be 8 mph from the S.

  • Day

    54°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 54F. Dew point will be around 37F with an average humidity of 72%. Winds will be 10 mph from the S.

    Night

    39°F

    Partly cloudy. Low temperature around 39F. Dew point will be around 39F with an average humidity of 84%. Winds will be 2 mph from the S.

  • Day

    61°F

    Sunny. High temperature around 61F. Dew point will be around 44F with an average humidity of 74%. Winds will be 2 mph from the S.

    Night

    46°F

    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 46F. Dew point will be around 44F with an average humidity of 79%. Winds will be 4 mph from the S.

  • Day

    65°F

    Sunny. High temperature around 65F. Dew point will be around 49F with an average humidity of 74%. Winds will be 6 mph from the S.

    Night

    47°F

    Partly cloudy. Low temperature around 47F. Dew point will be around 46F with an average humidity of 77%. Winds will be 2 mph from the S.