Illinois Natural History Survey Area Weather Forecast
- 69
- 88
Chance Thunderstorms
- 65
- 83
Mostly Sunny
- 68
- 86
Mostly Sunny
- 69
- 88
Mostly Sunny
- 72
- 90
Mostly Sunny
- 74
- 92
Chance Rain Showers
Today 30 Jun Moultrie
Mostly cloudy with a slight chance of Showers and Thunderstorms in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.
Tonight 30 Jun Moultrie
Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.
Illinois Natural History Survey Area Temperature Statistics
June Temperature
Mattoon / Charleston, Coles County Memorial Airport (16.8 miles)
Lowest 2 June, 2025
50.6 °FAverage June
74.6 °FHighest 24 June, 2025
94.6 °F
Climate (2020–Present)
Mattoon / Charleston, Coles County Memorial Airport (16.8 miles)
Average Low 2020–2025
45.7 °FAverage 2020–2025
55 °FAverage High 2020–2025
64.4 °F