Illiopolis, 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
    58°
    Tuesday 5/7
    Day
    78°
    Thunderstorms
    Forecast day icon
    Night
    58°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 90% chance for rain and thunderstorms. High temperature around 78F. Dew point will be around 66F with an average humidity of 78%. Winds will be 18 mph from the S.
    Night Details
    Mostly clear. Lows in the mid 50s. West winds 10 to 15 mph becoming southwest around 5 mph after midnight.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    80°
    Forecast night icon
    Night
    70% Chance of Storms
    60°
    Wednesday 5/8
    Day
    80°
    70% Chance of Storms
    Forecast day icon
    Night
    60°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs around 80. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
    Night Details
    Showers and thunderstorms likely in the evening then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds 10 to 15 mph becoming west after midnight. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    40% Chance Rain Showers
    63°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Thursday 5/9
    Day
    63°
    40% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Cooler with highs in the mid 60s. Northwest winds 15 to 20 mph. Chance of rain 40 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Cooler with lows in the upper 40s. North winds 10 to 15 mph.
  • Forecast day icon
    Friday
    Sunny
    66°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Friday 5/10
    Day
    66°
    Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 60s.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows around 50.
  • Forecast day icon
    Saturday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Saturday 5/11
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the upper 60s. Lows in the upper 40s.
    Night Details
    Mostly clear. Highs in the upper 60s. Lows in the upper 40s.
  • Forecast day icon
    Sunday
    Sunny
    75°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Sunday 5/12
    Day
    75°
    Sunny
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Monday
    30% Chance of Storms
    75°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Monday 5/13
    Day
    75°
    30% Chance of Storms
    Forecast day icon
    Night
    60°
    Partly Cloudy
    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
    Partly cloudy. Lows in the upper 50s.
  • Forecast day icon
    Tuesday
    30% Chance of Storms
    76°
    Forecast night icon
    Night
    40% Chance of Rain
    62°
    Tuesday 5/14
    Day
    76°
    30% Chance of Storms
    Forecast day icon
    Night
    62°
    40% 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
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 62F. Dew point will be around 58F with an average humidity of 75%. Winds will be 7 mph from the SE.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    77°
    Forecast night icon
    Night
    50% Chance of Rain
    64°
    Wednesday 5/15
    Day
    77°
    40% Chance of Rain
    Forecast day icon
    Night
    64°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 77F. Dew point will be around 60F with an average humidity of 69%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 64F. Dew point will be around 61F with an average humidity of 77%. Winds will be 5 mph from the S.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    77°
    Forecast night icon
    Night
    30% Chance of Rain
    63°
    Thursday 5/16
    Day
    77°
    40% Chance of Rain
    Forecast day icon
    Night
    63°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 77F. Dew point will be around 62F with an average humidity of 71%. Winds will be 3 mph from the S.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 63F. Dew point will be around 60F with an average humidity of 76%. Winds will be 2 mph from the S.