Illinois Natural History Survey Area Weather Forecast

    • 55
    • 76

    Decreasing Clouds

    • 62
    • 78

    Mostly Cloudy

    • 49
    • 80

    Rain Showers

    • 42
    • 61

    Sunny

    • 50
    • 69

    Chance Rain Showers

    • 43
    • 69

    Slight Chance Rain Showers

Today 16 Oct Moultrie

Mostly sunny. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 16 Oct Moultrie

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Southeast Winds 5 to 10 Mph.

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Illinois Natural History Survey Area Temperature Statistics

October Temperature

Mattoon / Charleston, Coles County Memorial Airport (16.8 miles)

  • Lowest 9 October, 2025

    39.9 °F

  • Average October

    65.6 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

Mattoon / Charleston, Coles County Memorial Airport (16.8 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.6 °F
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