Illiopolis, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    56°
    Sunday 5/5
    Forecast night icon
    56°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. A slight chance of showers. Lows in the mid 50s. East winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    Partly Sunny
    73°
    Forecast night icon
    Night
    Thunderstorms
    64°
    Monday 5/6
    Day
    73°
    Partly Sunny
    Forecast day icon
    Night
    64°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. East winds around 10 mph. Chance of rain 20 percent.
    Night Details
    Partly cloudy in the evening then mostly cloudy with showers and thunderstorms after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph. Chance of rain 90 percent.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    78°
    Forecast night icon
    Night
    Mostly Clear
    58°
    Tuesday 5/7
    Day
    78°
    70% Chance of Storms
    Forecast day icon
    Night
    58°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms. Showers likely mainly in the morning. Highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
    Night Details
    Mostly clear. Lows in the upper 50s. West winds 10 to 15 mph becoming south after midnight.
  • Forecast day icon
    Wednesday
    80% Chance of Storms
    76°
    Forecast night icon
    Night
    50% Chance of Storms
    58°
    Wednesday 5/8
    Day
    76°
    80% Chance of Storms
    Forecast day icon
    Night
    58°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the morning then showers with thunderstorms likely in the afternoon. Highs in the upper 70s. Chance of rain 80 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Thursday 5/9
    Day
    69°
    Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows around 50.
  • Forecast day icon
    Friday
    40% Chance Rain Showers
    64°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Friday 5/10
    Day
    64°
    40% Chance Rain Showers
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Saturday 5/11
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Clear
    51°
    Sunday 5/12
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 46F with an average humidity of 70%. Winds will be 5 mph from the W.
  • Forecast day icon
    Monday
    Sunny
    69°
    Forecast night icon
    Night
    30% Chance of Rain
    54°
    Monday 5/13
    Day
    69°
    Sunny
    Forecast day icon
    Night
    54°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 49F with an average humidity of 63%. Winds will be 5 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 54F. Dew point will be around 51F with an average humidity of 73%. Winds will be 4 mph from the W.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    71°
    Forecast night icon
    Night
    Clear
    57°
    Tuesday 5/14
    Day
    71°
    30% Chance of Rain
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 71F. Dew point will be around 53F with an average humidity of 65%. Winds will be 4 mph from the SW.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 54F with an average humidity of 74%. Winds will be 3 mph from the SW.