Stewart Lake Weather Forecast

    • 28
    • 36

    Chance Snow

    • 15
    • 31

    Blizzard

    • 3
    • 16

    Snow

    • 10
    • 16

    Mostly Sunny

    • 21
    • 26

    Mostly Cloudy

    • 26
    • 32

    Mostly Cloudy

    • 27
    • 35

    Mostly Cloudy

Today 25 Dec Butte/Blackfoot Region

Mostly cloudy. Areas of fog early in the morning. Patchy fog late in the morning. A 20 percent chance of Rain, light freezing rain and snow early in the morning. Highs in the upper 30s to mid 40s. South Winds to 15 Mph in the afternoon.

Tonight 25 Dec Butte/Blackfoot Region

Mostly cloudy. A 40 percent chance of Areas of rain and snow in the late evening and overnight. Lows in the mid 20s to lower 30s. South Winds to 15 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

    34 °F

  • Highest 14 December, 2025

    57.9 °F

Climate (2020–Present)

Butte, Bert Mooney Airport (44.7 miles)

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  • Average Low 2020–2025

    28.1 °F

  • Average 2020–2025

    41.9 °F

  • Average High 2020–2025

    55.2 °F
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