Rainbow Lake Weather Forecast

    • 25
    • 33

    Snow Likely

    • 23
    • 39

    Snow

    • 21
    • 25

    Snow

    • 22
    • 29

    Chance Snow

    • 26
    • 40

    Mostly Sunny

    • 28
    • 45

    Mostly Cloudy

    • 30
    • 46

    Partly Sunny

Today 31 Mar Butte/Blackfoot Region

Areas of snow until late afternoon. Areas of rain early in the Afternoon, then rain and snow likely late in the afternoon. Chance of precipitation 70 percent. Snow level 4500 feet. Little or no new snow accumulation. Highs in the 40s.

Tonight 31 Mar Butte/Blackfoot Region

Mostly cloudy. Areas of rain and snow early in the evening. Slight chance of rain and snow after midnight. Chance of precipitation 50 percent. Lows in the mid 20s to lower 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

March Temperature

Butte, Bert Mooney Airport (42.9 miles)

  • Lowest 15 March, 2026

    13.6 °F

  • Average March

    39.6 °F

  • Highest 20 March, 2026

    70.6 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (42.9 miles)

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  • Average Low 2021–2026

    28.4 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.7 °F
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