Vandalia, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Mostly Sunny
    61°
    Forecast night icon
    Night
    Cloudy
    50°
    Thursday 4/25
    Day
    61°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 61F. Dew point will be around 36F with an average humidity of 61%. Winds will be 8 mph from the E.
    Night Details
    Cloudy. A slight chance of showers after midnight. Not as cool with lows in the upper 40s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent.
  • Forecast day icon
    Friday
    Thunderstorms
    69°
    Forecast night icon
    Night
    50% Chance of Storms
    66°
    Friday 4/26
    Day
    69°
    Thunderstorms
    Forecast day icon
    Night
    66°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
    Night Details
    Cloudy with a chance of thunderstorms. A chance of showers. Not as cool with lows in the lower 60s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    74°
    Forecast night icon
    Night
    Mostly Cloudy
    66°
    Saturday 4/27
    Day
    74°
    50% Chance of Storms
    Forecast day icon
    Night
    66°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers and thunderstorms. Breezy with highs in the upper 70s. South winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent.
    Night Details
    A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    78°
    Forecast night icon
    Night
    Thunderstorms
    65°
    Sunday 4/28
    Day
    78°
    40% Chance of Storms
    Forecast day icon
    Night
    65°
    Thunderstorms
    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. Windy with highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Showers with a chance of thunderstorms. Breezy. Lows in the lower 60s. Highs in the lower 70s. Chance of rain 90 percent.
  • Forecast day icon
    Monday
    Thunderstorms
    72°
    Forecast night icon
    Night
    50% Chance of Storms
    61°
    Monday 4/29
    Day
    72°
    Thunderstorms
    Forecast day icon
    Night
    61°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers with a chance of thunderstorms. Breezy. Lows in the lower 60s. Highs in the lower 70s. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    Sunny
    78°
    Forecast night icon
    Night
    Partly Cloudy
    64°
    Tuesday 4/30
    Day
    78°
    Sunny
    Forecast day icon
    Night
    64°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny with a slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20 percent.
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms. Lows around 60. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    30% Chance of Storms
    79°
    Forecast night icon
    Night
    Partly Cloudy
    64°
    Wednesday 5/1
    Day
    79°
    30% Chance of Storms
    Forecast day icon
    Night
    64°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. A slight chance of showers and thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy with a slight chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 50s. Chance of rain 20 percent.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    75°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Thursday 5/2
    Day
    75°
    30% Chance Rain Showers
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 54F with an average humidity of 73%. Winds will be 2 mph from the N.
  • Forecast day icon
    Friday
    40% Chance of Rain
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Friday 5/3
    Day
    71°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 40%. High temperature around 71F. Dew point will be around 51F with an average humidity of 60%. Winds will be 4 mph from the NE.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 51F with an average humidity of 71%. Winds will be 4 mph from the E.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    59°
    Saturday 5/4
    Day
    72°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 72F. Dew point will be around 52F with an average humidity of 61%. Winds will be 4 mph from the SE.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 59F. Dew point will be around 54F with an average humidity of 70%. Winds will be 4 mph from the SE.