Mount Vernon, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    64°
    Sunday 5/19
    Forecast night icon
    64°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the lower 60s. South winds around 5 mph.
  • Forecast day icon
    Monday
    Mostly Sunny
    87°
    Forecast night icon
    Night
    Partly Cloudy
    69°
    Monday 5/20
    Day
    87°
    Mostly Sunny
    Forecast day icon
    Night
    69°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 80s. South winds 10 to 15 mph.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the mid 60s. South winds 5 to 10 mph.
  • Forecast day icon
    Tuesday
    Sunny
    89°
    Forecast night icon
    Night
    50% Chance of Storms
    69°
    Tuesday 5/21
    Day
    89°
    Sunny
    Forecast day icon
    Night
    69°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 80s. South winds 15 to 20 mph.
    Night Details
    Partly cloudy in the evening then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows around 70. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    83°
    Forecast night icon
    Night
    70% Chance of Storms
    65°
    Wednesday 5/22
    Day
    83°
    60% Chance of Storms
    Forecast day icon
    Night
    65°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.
    Night Details
    Showers and thunderstorms likely mainly in the evening. Lows around 60. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    79°
    Forecast night icon
    Night
    40% Chance Rain Showers
    62°
    Thursday 5/23
    Day
    79°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    60% Chance of Storms
    82°
    Forecast night icon
    Night
    50% Chance of Storms
    64°
    Friday 5/24
    Day
    82°
    60% Chance of Storms
    Forecast day icon
    Night
    64°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    83°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Saturday 5/25
    Day
    83°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 50 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    84°
    Forecast night icon
    Night
    50% Chance of Rain
    65°
    Sunday 5/26
    Day
    84°
    50% Chance of Storms
    Forecast day icon
    Night
    65°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 50 percent.
    Night Details
    Mostly clear with a 50% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 65F with an average humidity of 86%. Winds will be 5 mph from the S.
  • Forecast day icon
    Monday
    60% Chance of Rain
    83°
    Forecast night icon
    Night
    50% Chance of Rain
    62°
    Monday 5/27
    Day
    83°
    60% Chance of Rain
    Forecast day icon
    Night
    62°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 55% chance for rain and thunderstorms. High temperature around 83F. Dew point will be around 67F with an average humidity of 71%. Winds will be 6 mph from the SW.
    Night Details
    Clear with a 50% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 63F with an average humidity of 84%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    80°
    Forecast night icon
    Night
    Clear
    60°
    Tuesday 5/28
    Day
    80°
    30% Chance of Rain
    Forecast day icon
    Night
    60°
    Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 80F. Dew point will be around 63F with an average humidity of 68%. Winds will be 4 mph from the W.
    Night Details
    Clear. Low temperature around 60F. Dew point will be around 60F with an average humidity of 82%. Winds will be 4 mph from the W.