Vandalia, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    45°
    Thursday 3/28
    Forecast night icon
    45°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Low temperature around 45F. Dew point will be around 37F with an average humidity of 75%. Winds will be 8 mph from the SW.
  • Forecast day icon
    Friday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    40% Chance of Storms
    58°
    Friday 3/29
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Not as cool with highs around 70. Southwest winds 5 to 10 mph increasing to south 15 to 20 mph this afternoon.
    Night Details
    Mostly cloudy. A slight chance of showers in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Not as cool with lows in the mid 50s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 40 percent.
  • Forecast day icon
    Saturday
    Partly Sunny
    72°
    Forecast night icon
    Night
    40% Chance of Storms
    55°
    Saturday 3/30
    Day
    72°
    Partly Sunny
    Forecast day icon
    Night
    55°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers in the morning. Highs in the upper 60s. West winds 10 to 15 mph. Gusts up to 30 mph in the morning. Chance of rain 20 percent.
    Night Details
    Mostly cloudy. A slight chance of showers in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Northwest winds 5 to 10 mph becoming east after midnight. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    71°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Sunday 3/31
    Day
    71°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds 5 to 10 mph becoming south 10 to 15 mph in the afternoon. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows around 60. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    80% Chance of Storms
    71°
    Forecast night icon
    Night
    70% Chance of Storms
    54°
    Monday 4/1
    Day
    71°
    80% Chance of Storms
    Forecast day icon
    Night
    54°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning then showers in the afternoon. Highs in the mid 70s. Chance of rain 80 percent.
    Night Details
    A chance of thunderstorms. Showers likely mainly in the evening. Cooler with lows in the upper 40s. Chance of rain 70 percent.
  • Forecast day icon
    Tuesday
    40% Chance of Storms
    53°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Tuesday 4/2
    Day
    53°
    40% Chance of Storms
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning then a slight chance of showers in the afternoon. Much cooler. Near steady temperature around 50. Chance of rain 40 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of showers. Cooler with lows in the mid 30s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    51°
    Forecast night icon
    Night
    Mostly Clear
    38°
    Wednesday 4/3
    Day
    51°
    Mostly Sunny
    Forecast day icon
    Night
    38°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 20 percent chance of rain showers. Highs in the lower 50s.
    Night Details
    Mostly clear. Lows in the mid 30s. Highs in the lower 60s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Clear
    46°
    Thursday 4/4
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the mid 30s. Highs in the lower 60s.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 41F with an average humidity of 69%. Winds will be 5 mph from the S.
  • Forecast day icon
    Friday
    Sunny
    68°
    Forecast night icon
    Night
    Clear
    49°
    Friday 4/5
    Day
    68°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 46F with an average humidity of 63%. Winds will be 6 mph from the S.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 46F with an average humidity of 70%. Winds will be 5 mph from the S.
  • Forecast day icon
    Saturday
    Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Saturday 4/6
    Day
    67°
    Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 48F with an average humidity of 65%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 50F. Dew point will be around 48F with an average humidity of 73%. Winds will be 5 mph from the S.