Willow Creek Reservoir Weather Forecast

    • 40
    • 55

    Breezy

    • 38
    • 55

    Windy

    • 24
    • 47

    Rain/Snow

    • 34
    • 42

    Chance Rain/Snow

    • 25
    • 51

    Chance Rain/Snow

    • 23
    • 41

    Partly Sunny

Today 15 Dec Missouri Headwaters

Breezy. Partly sunny. Highs in the mid 50s. Southwest Winds 10 to 15 Mph increasing to 10 to 25 Mph in the afternoon. Gusts up to 40 Mph.

Tonight 15 Dec Missouri Headwaters

Breezy. Partly cloudy. Lows in the upper 30s. Southwest Winds 15 to 25 Mph with Gusts to around 50 Mph.

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Willow Creek Reservoir Temperature Statistics

December Temperature

Bozeman, Gallatin Field (26.7 miles)

  • Lowest 1 December, 2025

    0 °F

  • Average December

    36.7 °F

  • Highest 10 December, 2025

    61 °F

Climate (2020–Present)

Bozeman, Gallatin Field (26.7 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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