Rainbow Lake Weather Forecast

    • 27
    • 33

    Partly Sunny

    • 31
    • 40

    Partly Sunny

    • 30
    • 43

    Mostly Sunny

    • 27
    • 42

    Mostly Sunny

    • 28
    • 39

    Partly Sunny

    • 27
    • 39

    Snow Likely

    • 20
    • 30

    Snow Likely

Today 3 Feb Butte/Blackfoot Region

Mostly cloudy. Highs in the 40s.

Tonight 3 Feb Butte/Blackfoot Region

Partly cloudy. Areas of fog after midnight. Lows in the mid 20s to lower 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

February Temperature

Butte, Bert Mooney Airport (42.9 miles)

  • Lowest 1 February, 2026

    21 °F

  • Average February

    33.6 °F

  • Highest 1 February, 2026

    51.1 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (42.9 miles)

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  • Average Low 2021–2026

    28.1 °F

  • Average 2021–2026

    42 °F

  • Average High 2021–2026

    55.3 °F
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