Missouri Headwaters State Park Weather Forecast

    • 22
    • 40

    Slight Chance Rain/Snow

    • 39
    • 50

    Rain Likely

    • 32
    • 50

    Slight Chance Rain

    • 24
    • 47

    Mostly Cloudy

    • 13
    • 35

    Partly Sunny

    • 16
    • 36

    Mostly Cloudy

    • 21
    • 40

    Mostly Cloudy

Today 23 Dec Missouri Headwaters

Mostly cloudy. Slight chance of rain and snow late in the Morning, then slight chance of rain in the afternoon. Highs 41 to 47. Southwest Winds up to 5 Mph with Gusts to around 25 Mph. Chance of precipitation 20 percent.

Tonight 23 Dec Missouri Headwaters

Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. Lows 24 to 34. South Winds up to 10 Mph with Gusts to around 30 Mph.

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Missouri Headwaters State Park Temperature Statistics

December Temperature

Bozeman, Gallatin Field (18.6 miles)

  • Lowest 1 December, 2025

    0 °F

  • Average December

    36.9 °F

  • Highest 10 December, 2025

    61 °F

Climate (2020–Present)

Bozeman, Gallatin Field (18.6 miles)

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  • Average Low 2020–2025

    31 °F

  • Average 2020–2025

    44.5 °F

  • Average High 2020–2025

    57.9 °F
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