Rainbow Lake Weather Forecast

    • 34
    • 46

    Mostly Cloudy

    • 28
    • 42

    Mostly Sunny

    • 27
    • 38

    Partly Sunny

    • 24
    • 36

    Partly Sunny

    • 24
    • 36

    Mostly Sunny

    • 22
    • 36

    Mostly Sunny

    • 25
    • 36

    Partly Sunny

Today 13 Jan Kootenai/Cabinet Region

Mostly cloudy. Patchy fog late in the morning. Highs in the 40s.

Tonight 13 Jan Kootenai/Cabinet Region

Mostly cloudy. Patchy fog early in the evening. Areas of fog in the late evening and overnight. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

January Temperature

Mullan Pass, Mullan Pass Vor (42.3 miles)

  • Lowest 8 January, 2026

    17.1 °F

  • Average January

    25.8 °F

  • Highest 1 January, 2026

    37.9 °F

Climate (2021–Present)

Mullan Pass, Mullan Pass Vor (42.3 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.8 °F

  • Average High 2021–2026

    46.2 °F
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