Vandalia, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Thunderstorms
    64°
    Sunday 4/28
    Forecast night icon
    64°
    Thunderstorms
    Hourly
    Night Details
    A chance of showers and thunderstorms late this evening then showers with thunderstorms likely. Locally heavy rainfall possible. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    71°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Monday 4/29
    Day
    71°
    70% Chance of Storms
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy. Showers likely with a chance of thunderstorms in the morning then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the mid 50s. Northwest winds 5 to 10 mph.
  • Forecast day icon
    Tuesday
    Sunny
    74°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Tuesday 4/30
    Day
    74°
    Sunny
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s. Southeast winds around 5 mph becoming south in the afternoon.
    Night Details
    Mostly clear in the evening then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    78°
    Forecast night icon
    Night
    Partly Cloudy
    63°
    Wednesday 5/1
    Day
    78°
    Partly Cloudy
    Forecast day icon
    Night
    63°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 20 percent.
    Night Details
    Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 20 percent.
  • Forecast day icon
    Thursday
    60% Chance of Storms
    82°
    Forecast night icon
    Night
    70% Chance of Storms
    64°
    Thursday 5/2
    Day
    82°
    60% Chance of Storms
    Forecast day icon
    Night
    64°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    50% Chance of Storms
    73°
    Forecast night icon
    Night
    50% Chance of Storms
    57°
    Friday 5/3
    Day
    73°
    50% Chance of Storms
    Forecast day icon
    Night
    57°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of thunderstorms. A chance of showers. Cooler with highs in the lower 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening then a slight chance of showers after midnight. Cooler with lows in the lower 50s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Saturday 5/4
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s.
    Night Details
    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Chance of rain 20 percent.
  • Forecast day icon
    Sunday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Sunday 5/5
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Chance of rain 20 percent.
    Night Details
    Partly cloudy. Low temperature around 57F. Dew point will be around 54F with an average humidity of 78%. Winds will be 3 mph from the S.
  • Forecast day icon
    Monday
    30% Chance of Rain
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Monday 5/6
    Day
    71°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 71F. Dew point will be around 53F with an average humidity of 63%. Winds will be 4 mph from the SW.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 54F with an average humidity of 75%. Winds will be 4 mph from the S.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    71°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Tuesday 5/7
    Day
    71°
    40% Chance of Rain
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a 35% chance for rain and thunderstorms. High temperature around 71F. Dew point will be around 55F with an average humidity of 66%. Winds will be 4 mph from the SW.
    Night Details
    Clear with a 25% chance for rain and thunderstorms. Low temperature around 58F. Dew point will be around 56F with an average humidity of 79%. Winds will be 4 mph from the S.