Vandalia, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    62°
    Friday 5/3
    Forecast night icon
    62°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy early this evening then clearing. Lows in the upper 50s. Northeast winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    80°
    Forecast night icon
    Night
    70% Chance of Storms
    62°
    Saturday 5/4
    Day
    80°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds around 5 mph becoming southwest in the afternoon. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Northwest winds 5 to 10 mph. Chance of rain 70 percent.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    72°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Sunday 5/5
    Day
    72°
    40% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers in the morning then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. North winds 5 to 10 mph. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers. A chance of thunderstorms mainly in the evening. Lows around 60. East winds 5 to 10 mph. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    72°
    Forecast night icon
    Night
    50% Chance of Storms
    65°
    Monday 5/6
    Day
    72°
    70% Chance of Storms
    Forecast day icon
    Night
    65°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 70 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    80% Chance of Storms
    77°
    Forecast night icon
    Night
    50% Chance of Storms
    63°
    Tuesday 5/7
    Day
    77°
    80% Chance of Storms
    Forecast day icon
    Night
    63°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms. Showers. Highs in the lower 80s. Chance of rain 80 percent.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    82°
    Forecast night icon
    Night
    70% Chance of Storms
    65°
    Wednesday 5/8
    Day
    82°
    70% Chance of Storms
    Forecast day icon
    Night
    65°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.
    Night Details
    A chance of thunderstorms. Showers likely mainly in the evening. Lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    40% Chance of Storms
    76°
    Forecast night icon
    Night
    40% Chance of Storms
    60°
    Thursday 5/9
    Day
    76°
    40% Chance of Storms
    Forecast day icon
    Night
    60°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the mid 50s. Chance of rain 40 percent.
    Night Details
    Partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the mid 50s. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    30% Chance of Storms
    67°
    Forecast night icon
    Night
    Clear
    53°
    Friday 5/10
    Day
    67°
    30% Chance of Storms
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 30 percent.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 50F with an average humidity of 78%. Winds will be 9 mph from the NW.
  • Forecast day icon
    Saturday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Saturday 5/11
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 62F. Dew point will be around 47F with an average humidity of 66%. Winds will be 10 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 50F. Dew point will be around 47F with an average humidity of 78%. Winds will be 8 mph from the NW.
  • Forecast day icon
    Sunday
    Sunny
    64°
    Forecast night icon
    Night
    Clear
    51°
    Sunday 5/12
    Day
    64°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 64F. Dew point will be around 46F with an average humidity of 63%. Winds will be 9 mph from the NW.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 48F with an average humidity of 76%. Winds will be 5 mph from the NW.