Illinois Natural History Survey Area Weather Forecast

    • 10
    • 22

    Mostly Cloudy

    • 6
    • 26

    Chance Flurries

    • 7
    • 15

    Mostly Sunny

    • 23
    • 29

    Mostly Cloudy

    • 17
    • 37

    Mostly Cloudy

    • 19
    • 30

    Slight Chance Snow

    • 16
    • 37

    Mostly Cloudy

Today 17 Jan Moultrie

Mostly cloudy with a chance of Flurries. Much cooler. Near steady temperature around 19. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 17 Jan Moultrie

Mostly cloudy. A slight chance of snow this evening. Lows around 10 above. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 20 percent. Wind chill Values as low as 4 below.

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Illinois Natural History Survey Area Temperature Statistics

January Temperature

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

  • Lowest 15 January, 2026

    14 °F

  • Average January

    36 °F

  • Highest 8 January, 2026

    64 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.6 °F
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