Fairfield Weather Forecast

    • 21
    • 39

    Chance Snow

    • 13
    • 35

    Snow Likely

    • 17
    • 32

    Chance Snow

    • 30
    • 40

    Chance Rain/Snow

    • 32
    • 42

    Chance Rain/Snow

    • 25
    • 41

    Rain/Snow Likely

Today 4 Dec Eastern Pondera and Eastern Teton

Partly sunny early in the morning then becoming mostly cloudy. A 20 percent chance of snow late in the morning. Highs in the upper 30s. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 4 Dec Eastern Pondera and Eastern Teton

Mostly cloudy. A 20 percent chance of snow after midnight. Lows around 17. West Winds 5 to 15 Mph.

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Fairfield Temperature Statistics

December Temperature

Great Falls, Great Falls International Airport (29.2 miles)

  • Lowest 1 December, 2025

    19 °F

  • Average December

    28.4 °F

  • Highest 1 December, 2025

    34 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (29.2 miles)

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  • Average Low 2020–2025

    34.2 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    58.5 °F
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