Sullivan, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    43°
    Thursday 3/28
    Forecast night icon
    43°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. A slight chance of rain late this evening then a chance of sprinkles. Not as cool with lows in the upper 30s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Friday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    50% Chance of Storms
    57°
    Friday 3/29
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Mostly cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Not as cool with lows in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    Partly Sunny
    68°
    Forecast night icon
    Night
    40% Chance Rain Showers
    49°
    Saturday 3/30
    Day
    68°
    Partly Sunny
    Forecast day icon
    Night
    49°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 70s. West winds 15 to 20 mph with gusts up to 30 mph.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s. Northwest winds around 10 mph becoming northeast after midnight.
  • Forecast day icon
    Sunday
    60% Chance of Storms
    64°
    Forecast night icon
    Night
    70% Chance of Storms
    58°
    Sunday 3/31
    Day
    64°
    60% Chance of Storms
    Forecast day icon
    Night
    58°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers in the morning then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 60 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Lows in the mid 50s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    80% Chance of Storms
    69°
    Forecast night icon
    Night
    70% Chance of Storms
    50°
    Monday 4/1
    Day
    69°
    80% Chance of Storms
    Forecast day icon
    Night
    50°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms. Showers. Highs around 70. Chance of rain 80 percent.
    Night Details
    A chance of thunderstorms. Showers likely mainly in the evening. Lows in the upper 40s. Chance of rain 70 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    50°
    Forecast night icon
    Night
    Partly Cloudy
    39°
    Tuesday 4/2
    Day
    50°
    50% Chance of Storms
    Forecast day icon
    Night
    39°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers and thunderstorms in the morning. Cooler with highs in the upper 50s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Lows in the mid 30s. Highs in the lower 50s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    47°
    Forecast night icon
    Night
    Mostly Clear
    35°
    Wednesday 4/3
    Day
    47°
    Partly Cloudy
    Forecast day icon
    Night
    35°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the mid 30s. Highs in the lower 50s.
    Night Details
    Mostly clear. Lows in the mid 30s. Highs around 60.
  • Forecast day icon
    Thursday
    Mostly Sunny
    60°
    Forecast night icon
    Night
    Clear
    43°
    Thursday 4/4
    Day
    60°
    Mostly Sunny
    Forecast day icon
    Night
    43°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the mid 30s. Highs around 60.
    Night Details
    Clear. Low temperature around 43F. Dew point will be around 40F with an average humidity of 75%. Winds will be 4 mph from the S.
  • Forecast day icon
    Friday
    Sunny
    64°
    Forecast night icon
    Night
    Clear
    46°
    Friday 4/5
    Day
    64°
    Sunny
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 64F. Dew point will be around 46F with an average humidity of 68%. Winds will be 5 mph from the S.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 45F with an average humidity of 77%. Winds will be 5 mph from the S.
  • Forecast day icon
    Saturday
    Partly Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Saturday 4/6
    Day
    64°
    Partly Cloudy
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 64F. Dew point will be around 47F with an average humidity of 69%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 47F. Dew point will be around 46F with an average humidity of 79%. Winds will be 4 mph from the S.