Casey Weather Forecast

    • 59
    • 71

    Rain Showers Likely

    • 41
    • 84

    Rain Showers

    • 29
    • 49

    Slight Chance Rain Showers

    • 37
    • 51

    Partly Sunny

    • 52
    • 59

    Slight Chance Thunderstorms

    • 58
    • 73

    Chance Rain

    • 61
    • 76

    Chance Rain

Today 25 Mar Clark

Mostly sunny. Not as cool with Highs in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 Mar Clark

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Not as cool with Lows in the upper 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casey Temperature Statistics

March Temperature

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

  • Lowest 17 March, 2026

    14.6 °F

  • Average March

    48.8 °F

  • Highest 22 March, 2026

    84.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.8 °F
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