Rainbow Lake Weather Forecast

    • 22
    • 30

    Snow Likely

    • 20
    • 35

    Snow

    • 7
    • 23

    Snow

    • 4
    • 14

    Snow

    • 7
    • 15

    Snow Likely

    • 7
    • 17

    Chance Snow

Today 15 Feb Butte/Blackfoot Region

Areas of snow. Rain likely early in the Morning, then Areas of rain in the late morning and afternoon. Patchy fog early in the morning. Chance of precipitation 70 percent. Snow level 5000 feet. Little or no new snow accumulation. Highs in the upper 30s to mid 40s. Southwest Winds 15 to 20 Mph with Gusts to around 30 Mph.

Tonight 15 Feb Butte/Blackfoot Region

Mostly cloudy with a slight chance of snow early in the Evening, then mostly cloudy with a slight chance of rain late in the evening. Partly cloudy after midnight. Chance of precipitation 20 percent. Lows in the 20s. South Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

February Temperature

Butte, Bert Mooney Airport (42.9 miles)

  • Lowest 12 February, 2026

    14 °F
  • Average February

    34.7 °F
  • Highest 6 February, 2026

    60.7 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (42.9 miles)

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  • Average Low 2021–2026

    28.3 °F
  • Average 2021–2026

    42.1 °F
  • Average High 2021–2026

    55.5 °F
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