Stewart Lake Weather Forecast

    • 30
    • 37

    Chance Rain/Snow

    • 34
    • 39

    Partly Sunny

    • 33
    • 42

    Partly Sunny

    • 35
    • 42

    Snow Likely

    • 23
    • 38

    Snow

    • 22
    • 28

    Chance Snow

    • 25
    • 31

    Snow Likely

Today 12 Dec Butte/Blackfoot Region

Mostly cloudy with a 50 percent chance of Areas of rain. Highs in the 40s. West Winds 15 to 25 Mph with Gusts to around 40 Mph.

Tonight 12 Dec Butte/Blackfoot Region

Partly cloudy. Lows in the upper 20s to mid 30s. Southwest Winds 15 to 25 Mph with Gusts to around 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stewart Lake Temperature Statistics

December Temperature

Butte, Bert Mooney Airport (44.7 miles)

  • Lowest 1 December, 2025

    3 °F

  • Average December

    32.4 °F

  • Highest 10 December, 2025

    51.1 °F

Climate (2020–Present)

Butte, Bert Mooney Airport (44.7 miles)

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  • Average Low 2020–2025

    28 °F

  • Average 2020–2025

    41.8 °F

  • Average High 2020–2025

    55.1 °F
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