Union County State Conservation Area Weather Forecast

    • 24
    • 35

    Mostly Sunny

    • 35
    • 46

    Partly Sunny

    • 45
    • 53

    Mostly Cloudy

    • 22
    • 60

    Chance Rain Showers

    • 30
    • 39

    Partly Sunny

    • 40
    • 56

    Mostly Cloudy

Today 15 Dec Union

Sunny. Highs in the mid 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 15 Dec Union

Mostly clear. Lows in the mid 20s. Southwest Winds 5 to 10 Mph.

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Union County State Conservation Area Temperature Statistics

December Temperature

Cape Girardeau, Cape Girardeau Regional Airport (15.5 miles)

  • Lowest 5 December, 2025

    18 °F

  • Average December

    32.6 °F

  • Highest 10 December, 2025

    50 °F

Climate (2020–Present)

Cape Girardeau, Cape Girardeau Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    48.8 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    69.9 °F
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