Illiopolis, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Partly Cloudy
    56°
    Forecast night icon
    Night
    Mostly Cloudy
    40°
    Friday 4/19
    Day
    56°
    Partly Cloudy
    Forecast day icon
    Night
    40°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. High temperature around 56F. Dew point will be around 35F with an average humidity of 54%. Winds will be 14 mph from the N.
    Night Details
    Mostly cloudy this evening then clearing. Lows in the upper 30s. Northwest winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    Sunny
    52°
    Forecast night icon
    Night
    Partly Cloudy
    36°
    Saturday 4/20
    Day
    52°
    Sunny
    Forecast day icon
    Night
    36°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Northwest winds 10 to 15 mph diminishing to around 5 mph after midnight.
  • Forecast day icon
    Sunday
    Sunny
    58°
    Forecast night icon
    Night
    Clear
    39°
    Sunday 4/21
    Day
    58°
    Sunny
    Forecast day icon
    Night
    39°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Areas of frost in the morning. Sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph.
    Night Details
    Clear. Lows in the upper 30s. Northwest winds 5 to 10 mph becoming west after midnight.
  • Forecast day icon
    Monday
    Sunny
    64°
    Forecast night icon
    Night
    Mostly Cloudy
    52°
    Monday 4/22
    Day
    64°
    Sunny
    Forecast day icon
    Night
    52°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 60s.
    Night Details
    Mostly cloudy. Not as cool with lows around 50.
  • Forecast day icon
    Tuesday
    70% Chance Rain Showers
    65°
    Forecast night icon
    Night
    30% Chance Rain Showers
    45°
    Tuesday 4/23
    Day
    65°
    70% Chance Rain Showers
    Forecast day icon
    Night
    45°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning then showers likely in the afternoon. Highs in the upper 60s. Chance of rain 70 percent.
    Night Details
    Mostly cloudy with a chance of showers in the evening then mostly clear after midnight. Lows in the mid 40s. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    Sunny
    59°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Wednesday 4/24
    Day
    59°
    Sunny
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows around 40. Highs in the mid 60s.
  • Forecast day icon
    Thursday
    Partly Cloudy
    59°
    Forecast night icon
    Night
    50% Chance Rain Showers
    49°
    Thursday 4/25
    Day
    59°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    50% Chance Rain Showers
    Forecast night icon
    Day Details
    Partly cloudy. Lows around 40. Highs in the mid 60s.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    60% Chance Rain Showers
    61°
    Forecast night icon
    Night
    70% Chance of Rain
    54°
    Friday 4/26
    Day
    61°
    60% Chance Rain Showers
    Forecast day icon
    Night
    54°
    70% Chance of Rain
    Forecast night icon
    Day Details
    Showers likely. Highs in the upper 60s. Chance of rain 60 percent.
    Night Details
    Cloudy with probable rain. Chance of precipitation 65%. Low temperature around 54F. Dew point will be around 51F with an average humidity of 79%. Winds will be 7 mph from the SE.
  • Forecast day icon
    Saturday
    70% Chance of Rain
    69°
    Forecast night icon
    Night
    70% Chance of Rain
    59°
    Saturday 4/27
    Day
    69°
    70% Chance of Rain
    Forecast day icon
    Night
    59°
    70% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with probable rain. Chance of precipitation 65%. High temperature around 69F. Dew point will be around 55F with an average humidity of 77%. Winds will be 8 mph from the SE.
    Night Details
    Mostly cloudy with a 65% chance for rain and thunderstorms. Low temperature around 59F. Dew point will be around 57F with an average humidity of 79%. Winds will be 8 mph from the S.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    72°
    Forecast night icon
    Night
    60% Chance of Storms
    58°
    Sunday 4/28
    Day
    72°
    70% Chance of Storms
    Forecast day icon
    Night
    58°
    60% Chance of Storms
    Forecast night icon
    Day Details
    Cloudy with a 70% chance for rain and thunderstorms. High temperature around 72F. Dew point will be around 57F with an average humidity of 72%. Winds will be 9 mph from the S.
    Night Details
    Partly cloudy with a 55% chance for rain and thunderstorms. Low temperature around 58F. Dew point will be around 56F with an average humidity of 76%. Winds will be 6 mph from the S.