Sullivan, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Thunderstorms
    78°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Tuesday 5/7
    Day
    78°
    Thunderstorms
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Showers and thunderstorms this morning then partly sunny with a chance of showers and thunderstorms this afternoon. Some thunderstorms may produce gusty winds this morning. Highs in the upper 70s. South winds 15 to 20 mph becoming southwest this afternoon. Chance of rain near 100 percent.
    Night Details
    Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. West winds 10 to 15 mph becoming southwest around 5 mph after midnight. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    79°
    Forecast night icon
    Night
    70% Chance of Storms
    59°
    Wednesday 5/8
    Day
    79°
    60% Chance of Storms
    Forecast day icon
    Night
    59°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then partly sunny with showers and thunderstorms likely in the afternoon. Highs in the lower 80s. South winds 10 to 15 mph. Chance of rain 60 percent.
    Night Details
    Showers likely with a chance of thunderstorms in the evening. Lows in the upper 50s. South winds 10 to 15 mph becoming southwest after midnight. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    68°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Thursday 5/9
    Day
    68°
    30% Chance Rain Showers
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Cooler with highs in the upper 60s. Temperature falling into the mid 60s in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.
    Night Details
    Partly cloudy. Lows in the upper 40s. Highs in the mid 60s.
  • Forecast day icon
    Friday
    Partly Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Friday 5/10
    Day
    64°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the upper 40s. Highs in the mid 60s.
    Night Details
    Partly cloudy. Lows in the upper 40s. Highs in the mid 60s.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    66°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Saturday 5/11
    Day
    66°
    50% Chance Rain Showers
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 50 percent.
    Night Details
    Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Sunday 5/12
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
  • Forecast day icon
    Monday
    Sunny
    76°
    Forecast night icon
    Night
    30% Chance of Rain
    54°
    Monday 5/13
    Day
    76°
    Sunny
    Forecast day icon
    Night
    54°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. Highs in the upper 70s.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 54F. Dew point will be around 59F with an average humidity of 85%. Winds will be 8 mph from the SW.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Tuesday 5/14
    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 55F with an average humidity of 71%. Winds will be 5 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 56F. Dew point will be around 56F with an average humidity of 83%. Winds will be 3 mph from the S.
  • Forecast day icon
    Wednesday
    50% Chance of Rain
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Wednesday 5/15
    Day
    72°
    50% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 45%. High temperature around 72F. Dew point will be around 56F with an average humidity of 69%. Winds will be 3 mph from the SW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 56F with an average humidity of 80%. Winds will be 4 mph from the S.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Thursday 5/16
    Day
    73°
    40% Chance of Rain
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 35% chance for rain and thunderstorms. High temperature around 73F. Dew point will be around 59F with an average humidity of 74%. Winds will be 4 mph from the SW.
    Night Details
    Mostly clear with a 25% chance for rain and thunderstorms. Low temperature around 58F. Dew point will be around 58F with an average humidity of 83%. Winds will be 3 mph from the SW.