Union County State Conservation Area Weather Forecast

    • 65
    • 91

    Chance Rain Showers

    • 66
    • 92

    Chance Rain Showers

    • 66
    • 89

    Rain Showers Likely

    • 66
    • 86

    Chance Thunderstorms

    • 64
    • 84

    Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

Today 19 Sep Union

Partly sunny. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs around 90. Northeast Winds around 5 Mph, becoming west in the afternoon. Chance of rain 30 percent.

Tonight 19 Sep Union

Partly cloudy. A chance of Showers after midnight. Lows in the mid 60s. Northeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union County State Conservation Area Temperature Statistics

September Temperature

Cape Girardeau, Cape Girardeau Regional Airport (15.5 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    71.3 °F

  • Highest 14 September, 2025

    95 °F

Climate (2020–Present)

Cape Girardeau, Cape Girardeau Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    48.6 °F

  • Average 2020–2025

    59.1 °F

  • Average High 2020–2025

    69.9 °F
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