Mount Vernon, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    61°
    Tuesday 5/7
    Forecast night icon
    61°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms early this evening then mostly clear after midnight. Some thunderstorms may be severe with damaging winds large hail and tornadoes. Lows in the upper 50s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    80% Chance of Storms
    83°
    Forecast night icon
    Night
    70% Chance of Storms
    58°
    Wednesday 5/8
    Day
    83°
    80% Chance of Storms
    Forecast day icon
    Night
    58°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny in the morning then mostly cloudy with showers with thunderstorms likely in the afternoon. Highs in the lower 80s. Southeast winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 80 percent.
    Night Details
    Showers and thunderstorms likely in the evening then partly cloudy after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph becoming west after midnight. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    Sunny
    71°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Thursday 5/9
    Day
    71°
    Sunny
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s. North winds 10 to 15 mph.
  • Forecast day icon
    Friday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Friday 5/10
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Saturday 5/11
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
  • Forecast day icon
    Sunday
    Sunny
    75°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Sunday 5/12
    Day
    75°
    Sunny
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s.
    Night Details
    Partly cloudy. Lows in the upper 50s. Highs around 80.
  • Forecast day icon
    Monday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Monday 5/13
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the upper 50s. Highs around 80.
    Night Details
    Partly cloudy. Lows in the upper 50s. Highs around 80.
  • Forecast day icon
    Tuesday
    30% Chance of Storms
    76°
    Forecast night icon
    Night
    30% Chance of Rain
    61°
    Tuesday 5/14
    Day
    76°
    30% Chance of Storms
    Forecast day icon
    Night
    61°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 61F. Dew point will be around 60F with an average humidity of 87%. Winds will be 6 mph from the SE.
  • Forecast day icon
    Wednesday
    50% Chance of Rain
    78°
    Forecast night icon
    Night
    50% Chance of Rain
    62°
    Wednesday 5/15
    Day
    78°
    50% Chance of Rain
    Forecast day icon
    Night
    62°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 50% chance for rain and thunderstorms. High temperature around 78F. Dew point will be around 64F with an average humidity of 77%. Winds will be 6 mph from the SE.
    Night Details
    Mostly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 63F with an average humidity of 89%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    78°
    Forecast night icon
    Night
    40% Chance of Rain
    61°
    Thursday 5/16
    Day
    78°
    40% Chance of Rain
    Forecast day icon
    Night
    61°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 40% chance for rain and thunderstorms. High temperature around 78F. Dew point will be around 64F with an average humidity of 77%. Winds will be 2 mph from the S.
    Night Details
    Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 62F with an average humidity of 88%. Winds will be 1 mph from the E.