Rainbow Lake Weather Forecast

    • 32
    • 41

    Increasing Clouds

    • 30
    • 45

    Mostly Sunny

    • 27
    • 43

    Mostly Sunny

    • 28
    • 39

    Partly Sunny

    • 26
    • 39

    Snow Likely

    • 18
    • 29

    Snow Likely

Today 4 Feb Butte/Blackfoot Region

Partly cloudy. Highs in the 50s. Southwest Winds to 15 Mph.

Tonight 4 Feb Butte/Blackfoot Region

Mostly clear. Lows in the upper 20s to mid 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

    34.5 °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

    28.2 °F

  • Average 2021–2026

    42 °F

  • Average High 2021–2026

    55.3 °F
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