Coopers Lake Weather Forecast

    • 32
    • 44

    Increasing Clouds

    • 35
    • 44

    Rain Likely

    • 33
    • 41

    Rain/Snow

    • 22
    • 39

    Snow Likely

    • 27
    • 34

    Snow

    • 20
    • 36

    Snow Likely

Today 14 Dec Butte/Blackfoot Region

Partly cloudy in the morning then clearing. Highs in the mid 40s to lower 50s. South Winds to 15 Mph shifting to the southwest in the afternoon.

Tonight 14 Dec Butte/Blackfoot Region

Partly cloudy. Lows in the upper 20s to mid 30s. South Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coopers Lake Temperature Statistics

December Temperature

Helena Regional Airport (54.7 miles)

  • Lowest 1 December, 2025

    3 °F

  • Average December

    36.5 °F

  • Highest 10 December, 2025

    61 °F

Climate (2020–Present)

Helena Regional Airport (54.7 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    59.5 °F
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