Sibley Nature Park Weather Forecast

    • 15
    • 34

    Mostly Cloudy

    • 19
    • 24

    Mostly Cloudy

    • 21
    • 31

    Mostly Cloudy

    • 12
    • 28

    Chance Wintry Mix

    • 14
    • 28

    Slight Chance Snow

    • 5
    • 23

    Partly Sunny

Today 22 Dec Burleigh

Mostly cloudy. A slight chance of rain and freezing rain in the afternoon. Highs in the mid 30s. East Winds 5 to 10 Mph, becoming south in the afternoon.

Tonight 22 Dec Burleigh

Mostly cloudy. Lows around 15. Northwest Winds 5 to 15 Mph.

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Sibley Nature Park Temperature Statistics

December Temperature

Bismarck, Bismarck Municipal Airport (4.3 miles)

  • Lowest 7 December, 2025

    -18 °F

  • Average December

    16.2 °F

  • Highest 16 December, 2025

    48 °F

Climate (2020–Present)

Bismarck, Bismarck Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    57 °F
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