Vandalia, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    61°
    Sunday 5/12
    Forecast night icon
    61°
    Partly Cloudy
    Hourly
    Night Details
    Mostly clear this evening then becoming partly cloudy. Not as cool with lows around 60. South winds 5 to 10 mph.
  • Forecast day icon
    Monday
    Thunderstorms
    73°
    Forecast night icon
    Night
    Thunderstorms
    64°
    Monday 5/13
    Day
    73°
    Thunderstorms
    Forecast day icon
    Night
    64°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
    Night Details
    A chance of thunderstorms. Showers. Lows in the lower 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.
  • Forecast day icon
    Tuesday
    Thunderstorms
    70°
    Forecast night icon
    Night
    40% Chance of Storms
    57°
    Tuesday 5/14
    Day
    70°
    Thunderstorms
    Forecast day icon
    Night
    57°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A slight chance of thunderstorms. Showers. Highs in the lower 70s. East winds 5 to 10 mph becoming northeast 10 to 15 mph in the afternoon. Chance of rain near 100 percent.
    Night Details
    Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. North winds 10 to 15 mph. Chance of rain 40 percent.
  • Forecast day icon
    Wednesday
    Partly Sunny
    74°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Wednesday 5/15
    Day
    74°
    Partly Sunny
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Thursday
    40% Chance of Storms
    76°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Thursday 5/16
    Day
    76°
    40% Chance of Storms
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    50% Chance of Storms
    77°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Friday 5/17
    Day
    77°
    50% Chance of Storms
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 50s. Highs around 80. Chance of rain 20 percent.
  • Forecast day icon
    Saturday
    Partly Cloudy
    82°
    Forecast night icon
    Night
    30% Chance of Storms
    63°
    Saturday 5/18
    Day
    82°
    Partly Cloudy
    Forecast day icon
    Night
    63°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 50s. Highs around 80. Chance of rain 20 percent.
    Night Details
    A slight chance of thunderstorms in the evening. Mostly clear with a chance of showers. Lows in the lower 60s. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    30% Chance of Storms
    81°
    Forecast night icon
    Night
    40% Chance of Rain
    62°
    Sunday 5/19
    Day
    81°
    30% Chance of Storms
    Forecast day icon
    Night
    62°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly 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 80s. Chance of rain 30 percent.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 62F. Dew point will be around 60F with an average humidity of 79%. Winds will be 3 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    77°
    Forecast night icon
    Night
    30% Chance of Rain
    61°
    Monday 5/20
    Day
    77°
    30% Chance of Rain
    Forecast day icon
    Night
    61°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 77F. Dew point will be around 57F with an average humidity of 62%. Winds will be 5 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 61F. Dew point will be around 59F with an average humidity of 77%. Winds will be 3 mph from the W.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    76°
    Forecast night icon
    Night
    40% Chance of Rain
    61°
    Tuesday 5/21
    Day
    76°
    30% Chance of Rain
    Forecast day icon
    Night
    61°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 76F. Dew point will be around 56F with an average humidity of 62%. Winds will be 3 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 61F. Dew point will be around 59F with an average humidity of 79%. Winds will be 2 mph from the S.