Union Grove Weather Forecast

    • -5
    • -2

    Chance Snow

    • -4
    • 8

    Slight Chance Snow

    • -8
    • 11

    Cold

    • 6
    • 27

    Mostly Sunny

    • 2
    • 22

    Mostly Cloudy

    • -2
    • 19

    Mostly Cloudy

Today 23 Jan Union

Partly sunny this Morning, then becoming mostly cloudy. Much Colder with Highs around 1 below. North Winds 10 to 15 Mph. Wind chill Values as low as 37 below.

Tonight 23 Jan Union

Cloudy. A slight chance of snow after midnight. Not as cold. Near steady temperature around 4 below. Northeast Winds around 5 Mph, becoming east after midnight. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Grove Temperature Statistics

January Temperature

Yankton, Chan Gurney Municipal Airport (30.4 miles)

  • Lowest 19 January, 2026

    -2.9 °F
  • Average January

    27.9 °F
  • Highest 7 January, 2026

    59 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (30.4 miles)

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  • Average Low 2021–2026

    39.2 °F
  • Average 2021–2026

    50.2 °F
  • Average High 2021–2026

    61.4 °F
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