Coopers Lake Weather Forecast

    • 28
    • 37

    Slight Chance Snow

    • 32
    • 41

    Chance Snow

    • 29
    • 46

    Mostly Cloudy

    • 29
    • 47

    Mostly Cloudy

    • 26
    • 41

    Chance Rain/Snow

    • 24
    • 40

    Partly Sunny

Today 29 Jan Butte/Blackfoot Region

Mostly cloudy. Highs in the mid 30s to lower 40s. Southwest Winds to 15 Mph.

Tonight 29 Jan Butte/Blackfoot Region

Mostly cloudy. Lows in the 20s.

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Coopers Lake Temperature Statistics

January Temperature

Helena Regional Airport (54.7 miles)

  • Lowest 23 January, 2026

    3 °F

  • Average January

    31.3 °F

  • Highest 12 January, 2026

    58.6 °F

Climate (2021–Present)

Helena Regional Airport (54.7 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.6 °F
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