Illiopolis Weather Forecast
- 61
- 72
Rain Showers
- 64
- 79
Chance Thunderstorms
- 68
- 84
Thunderstorms Likely
- 68
- 84
Chance Thunderstorms
- 64
- 82
Chance Thunderstorms
- 59
- 77
Chance Rain Showers
Today 1 Jun Sangamon
Cloudy with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 1 Jun Sangamon
Cloudy. A chance of Showers with a slight chance of Thunderstorms this evening. Patchy fog after midnight. Lows in the lower 60s. North Winds around 5 Mph. Chance of rain 40 percent.
Illiopolis Temperature Statistics
June Temperature
Decatur Airport (19.3 miles)
Lowest
–Average June
–Highest
–
Climate (2019–Present)
Decatur Airport (19.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
44.9 °FAverage 2019–2024
54.5 °FAverage High 2019–2024
64.1 °F