Stewart Lake Weather Forecast

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    • 34

    Chance Snow

    • 20
    • 28

    Snow Likely

    • 20
    • 25

    Snow Likely

    • 16
    • 23

    Chance Snow

    • 16
    • 20

    Chance Snow

    • 17
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    Chance Snow

Today 4 Jan Butte/Blackfoot Region

Mostly cloudy. Patchy fog early in the morning. Areas of rain and a slight chance of snow in the afternoon. Chance of precipitation 30 percent. Highs in the upper 30s to mid 40s. South Winds 15 to 20 Mph with Gusts to around 35 Mph.

Tonight 4 Jan Butte/Blackfoot Region

Mostly cloudy. A chance of rain and snow in the Evening, then slight chance of snow after midnight. Patchy fog after midnight. Chance of precipitation 40 percent. Lows in the 20s. South Winds to 15 Mph.

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  • Temperature Forecast NOAA

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Stewart Lake Temperature Statistics

January Temperature

Butte, Bert Mooney Airport (44.7 miles)

  • Lowest 1 January, 2026

    17.1 °F

  • Average January

    33.3 °F

  • Highest 2 January, 2026

    45 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (44.7 miles)

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  • Average Low 2021–2026

    28.1 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    55.2 °F
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