Agar Weather Forecast

    • -2
    • 11

    Snow

    • -13
    • 5

    Chance Snow

    • 14
    • 23

    Blowing Snow

    • 22
    • 37

    Partly Sunny

    • 26
    • 43

    Partly Sunny

    • 14
    • 42

    Mostly Cloudy

Today 12 Dec Sully

Cloudy. Patchy blowing snow late this morning. A slight chance of snow late this Morning, then a chance of snow this afternoon. Little or no snow accumulation. Much Colder. Near steady temperature around 7 above. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of snow 50 percent.

Tonight 12 Dec Sully

A chance of snow in the Evening, then snow after midnight. Snow may be heavy at Times after midnight. Total snow accumulation of 3 to 5 Inches. Cold with Lows around 1 above. North Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight. Chance of snow near 100 percent.

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Agar Temperature Statistics

December Temperature

Pierre, Pierre Regional Airport (32.9 miles)

  • Lowest 1 December, 2025

    7 °F
  • Average December

    24.8 °F
  • Highest 9 December, 2025

    53.1 °F

Climate (2020–Present)

Pierre, Pierre Regional Airport (32.9 miles)

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  • Average Low 2020–2025

    37 °F
  • Average 2020–2025

    48.8 °F
  • Average High 2020–2025

    61.2 °F
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