Sullivan, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    60% Chance of Storms
    62°
    Forecast night icon
    Night
    60% Chance of Storms
    63°
    Friday 4/26
    Day
    62°
    60% Chance of Storms
    Forecast day icon
    Night
    63°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers and thunderstorms likely. Highs in the upper 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent.
    Night Details
    Showers and thunderstorms likely. Not as cool with lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    71°
    Forecast night icon
    Night
    Mostly Cloudy
    64°
    Saturday 4/27
    Day
    71°
    40% Chance of Storms
    Forecast day icon
    Night
    64°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and thunderstorms in the morning then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Breezy and not as cool with highs in the upper 70s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 40 percent.
    Night Details
    Mostly cloudy. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph.
  • Forecast day icon
    Sunday
    Windy
    76°
    Forecast night icon
    Night
    70% Chance of Storms
    64°
    Sunday 4/28
    Day
    76°
    Windy
    Forecast day icon
    Night
    64°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny and windy. Highs around 80. South winds 20 to 30 mph with gusts up to 45 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Breezy with lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    80% Chance of Storms
    70°
    Forecast night icon
    Night
    40% Chance of Storms
    58°
    Monday 4/29
    Day
    70°
    80% Chance of Storms
    Forecast day icon
    Night
    58°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms. Showers. Highs in the mid 70s. Chance of rain 80 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 40 percent.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    Partly Cloudy
    62°
    Tuesday 4/30
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    62°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 70s. Lows around 60.
    Night Details
    Partly cloudy. Highs in the upper 70s. Lows around 60.
  • Forecast day icon
    Wednesday
    40% Chance of Storms
    73°
    Forecast night icon
    Night
    40% Chance of Storms
    58°
    Wednesday 5/1
    Day
    73°
    40% Chance of Storms
    Forecast day icon
    Night
    58°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 40 percent.
  • Forecast day icon
    Thursday
    40% Chance of Storms
    72°
    Forecast night icon
    Night
    40% Chance of Storms
    52°
    Thursday 5/2
    Day
    72°
    40% Chance of Storms
    Forecast day icon
    Night
    52°
    40% Chance of Storms
    Forecast night icon
    Day Details
    Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 52F. Dew point will be around 55F with an average humidity of 84%. Winds will be 8 mph from the NW.
  • Forecast day icon
    Friday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    Clear
    49°
    Friday 5/3
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 50F with an average humidity of 67%. Winds will be 4 mph from the NE.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 47F with an average humidity of 73%. Winds will be 5 mph from the E.
  • Forecast day icon
    Saturday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Saturday 5/4
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 69F. Dew point will be around 51F with an average humidity of 69%. Winds will be 7 mph from the SE.
    Night Details
    Mostly clear. Low temperature around 54F. Dew point will be around 53F with an average humidity of 79%. Winds will be 7 mph from the SE.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    59°
    Sunday 5/5
    Day
    71°
    30% Chance of Rain
    Forecast day icon
    Night
    59°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 71F. Dew point will be around 56F with an average humidity of 75%. Winds will be 10 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 59F. Dew point will be around 57F with an average humidity of 83%. Winds will be 7 mph from the S.