Myrtle Lake Weather Forecast

    • 34
    • 63

    Becoming Sunny

    • 46
    • 64

    Partly Sunny

    • 50
    • 60

    Rain Showers Likely

    • 52
    • 67

    Mostly Cloudy

    • 50
    • 65

    Chance Rain Showers

    • 44
    • 65

    Slight Chance Rain Showers

Today 22 Sep Koochiching

Areas of frost in the morning. Sunny. Highs in the lower 60s. Southeast Winds 5 to 10 Mph.

Tonight 22 Sep Koochiching

Mostly clear. Lows in the mid 30s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Myrtle Lake Temperature Statistics

September Temperature

Bigfork Municipal Airport (18 miles)

  • Lowest 14 September, 2026

    30.7 °F

  • Average September

    59.8 °F

  • Highest 6 September, 2026

    81.9 °F

Climate (2021–2026)

Bigfork Municipal Airport (18 miles)

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  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    54.2 °F
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