Union Grove Weather Forecast

    • 19
    • 31

    Increasing Clouds

    • 20
    • 51

    Breezy

    • 24
    • 38

    Chance Rain/Snow

    • 32
    • 52

    Mostly Sunny

    • 21
    • 62

    Slight Chance Snow

    • 9
    • 33

    Chance Snow

    • 14
    • 28

    Slight Chance Snow

Today 23 Feb Union

Sunny. Highs around 30. South Winds 15 to 20 Mph.

Tonight 23 Feb Union

Mostly cloudy. Not as cool with Lows around 18. Temperature rising into the mid 20s after midnight. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Grove Temperature Statistics

February Temperature

Yankton, Chan Gurney Municipal Airport (30.4 miles)

  • Lowest 20 February, 2026

    7 °F

  • Average February

    35.9 °F

  • Highest 17 February, 2026

    70 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (30.4 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
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