Sullivan, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    Sunny
    79°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Sunday 5/12
    Day
    79°
    Sunny
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. South winds 5 to 10 mph.
  • Forecast day icon
    Monday
    Thunderstorms
    73°
    Forecast night icon
    Night
    Thunderstorms
    61°
    Monday 5/13
    Day
    73°
    Thunderstorms
    Forecast day icon
    Night
    61°
    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. Temperature falling into the upper 60s in the afternoon. 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 around 60. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
  • Forecast day icon
    Tuesday
    80% Chance of Storms
    67°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Tuesday 5/14
    Day
    67°
    80% Chance of Storms
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms. Showers. Highs in the upper 60s. East winds around 10 mph with gusts up to 20 mph becoming northeast 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 80 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Cooler with lows around 50.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Wednesday 5/15
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the lower 70s. Lows in the lower 50s.
    Night Details
    Mostly clear. Highs in the lower 70s. Lows in the lower 50s.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    74°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Thursday 5/16
    Day
    74°
    30% Chance Rain Showers
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    50% Chance of Storms
    74°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Friday 5/17
    Day
    74°
    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 in the upper 50s. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Lows in the upper 50s.
  • Forecast day icon
    Saturday
    Sunny
    77°
    Forecast night icon
    Night
    30% Chance of Rain
    60°
    Saturday 5/18
    Day
    77°
    Sunny
    Forecast day icon
    Night
    60°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. Highs in the upper 70s.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 60F. Dew point will be around 62F with an average humidity of 88%. Winds will be 6 mph from the W.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    77°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Sunday 5/19
    Day
    77°
    30% Chance of Rain
    Forecast day icon
    Night
    56°
    40% 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 62F with an average humidity of 74%. Winds will be 3 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 58F with an average humidity of 82%. Winds will be 5 mph from the W.
  • Forecast day icon
    Monday
    Sunny
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    55°
    Monday 5/20
    Day
    73°
    Sunny
    Forecast day icon
    Night
    55°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 73F. Dew point will be around 57F with an average humidity of 72%. Winds will be 5 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 55F. Dew point will be around 55F with an average humidity of 79%. Winds will be 4 mph from the W.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Tuesday 5/21
    Day
    72°
    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 72F. Dew point will be around 56F with an average humidity of 72%. Winds will be 3 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 56F with an average humidity of 82%. Winds will be 2 mph from the SW.