Sullivan, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    60°
    Wednesday 5/1
    Forecast night icon
    60°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy late this evening then mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 50s. East winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Thursday
    Mostly Sunny
    79°
    Forecast night icon
    Night
    80% Chance of Storms
    64°
    Thursday 5/2
    Day
    79°
    Mostly Sunny
    Forecast day icon
    Night
    64°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 80s. South winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.
    Night Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening then showers after midnight. Lows in the lower 60s. South winds 10 to 15 mph. Chance of rain 80 percent.
  • Forecast day icon
    Friday
    70% Chance of Storms
    67°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Friday 5/3
    Day
    67°
    70% Chance of Storms
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Cooler with highs in the lower 70s. Northeast winds 5 to 10 mph becoming north in the afternoon. Chance of rain 70 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    30% Chance of Storms
    69°
    Forecast night icon
    Night
    40% Chance of Storms
    57°
    Saturday 5/4
    Day
    69°
    30% Chance of Storms
    Forecast day icon
    Night
    57°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    69°
    Forecast night icon
    Night
    50% Chance of Storms
    58°
    Sunday 5/5
    Day
    69°
    40% Chance of Storms
    Forecast day icon
    Night
    58°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    73°
    Forecast night icon
    Night
    70% Chance of Storms
    64°
    Monday 5/6
    Day
    73°
    70% Chance of Storms
    Forecast day icon
    Night
    64°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the mid 70s. Lows in the lower 60s. Chance of rain 70 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Highs in the mid 70s. Lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    80°
    Forecast night icon
    Night
    50% Chance of Storms
    65°
    Tuesday 5/7
    Day
    80°
    60% Chance of Storms
    Forecast day icon
    Night
    65°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 60 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    30% Chance of Storms
    75°
    Forecast night icon
    Night
    50% Chance of Rain
    60°
    Wednesday 5/8
    Day
    75°
    30% Chance of Storms
    Forecast day icon
    Night
    60°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Clear with a chance of rain. Chance of precipitation 50%. Low temperature around 60F. Dew point will be around 60F with an average humidity of 83%. Winds will be 10 mph from the SW.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    71°
    Forecast night icon
    Night
    60% Chance of Rain
    59°
    Thursday 5/9
    Day
    71°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 71F. Dew point will be around 59F with an average humidity of 76%. Winds will be 7 mph from the SW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 55%. Low temperature around 59F. Dew point will be around 58F with an average humidity of 84%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Friday
    40% Chance of Rain
    69°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Friday 5/10
    Day
    69°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 69F. Dew point will be around 58F with an average humidity of 79%. Winds will be 5 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 56F. Dew point will be around 56F with an average humidity of 82%. Winds will be 2 mph from the W.