Rock Lake Weather Forecast

    • 39
    • 57

    Increasing Clouds

    • 43
    • 62

    Partly Sunny

    • 42
    • 66

    Rain Likely

    • 32
    • 49

    Rain/Snow

    • 27
    • 42

    Chance Rain/Snow

    • 26
    • 44

    Slight Chance Rain/Snow

Today 19 Apr Kootenai/Cabinet Region

Partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 19 Apr Kootenai/Cabinet Region

Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

April Temperature

Mullan Pass, Mullan Pass Vor (41.6 miles)

  • Lowest 16 April, 2026

    18 °F

  • Average April

    34.6 °F

  • Highest 5 April, 2026

    55.9 °F

Climate (2021–Present)

Mullan Pass, Mullan Pass Vor (41.6 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    40 °F

  • Average High 2021–2026

    46.4 °F
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