Casey Weather Forecast

    • 11
    • 25

    Mostly Cloudy

    • 23
    • 28

    Mostly Cloudy

    • 19
    • 41

    Mostly Cloudy

    • 22
    • 30

    Partly Sunny

    • 19
    • 36

    Partly Sunny

    • 26
    • 38

    Mostly Cloudy

Today 4 Feb Clark

Partly sunny. Cooler with Highs in the mid 20s. North Winds 5 to 10 Mph.

Tonight 4 Feb Clark

Mostly cloudy. Near steady temperature around 18. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casey Temperature Statistics

February Temperature

Mattoon / Charleston, Coles County Memorial Airport (19.3 miles)

  • Lowest 1 February, 2026

    1.9 °F

  • Average February

    16 °F

  • Highest 1 February, 2026

    23 °F

Climate (2021–Present)

Mattoon / Charleston, Coles County Memorial Airport (19.3 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    64.5 °F
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