Lost Lake Weather Forecast

    • 25
    • 40

    Partly Sunny

    • 25
    • 40

    Partly Sunny

    • 25
    • 41

    Partly Sunny

    • 27
    • 40

    Snow Likely

    • 33
    • 42

    Rain Likely

    • 28
    • 46

    Snow Likely

Today 14 Oct Potomac/Seeley Lake Region

Mostly cloudy. Slight chance of snow early in the morning. Slight chance of rain in the afternoon. Widespread frost in the morning. Areas of frost early in the afternoon. Chance of precipitation 20 percent. Highs in the 40s to lower 50s.

Tonight 14 Oct Potomac/Seeley Lake Region

Mostly cloudy in the evening then becoming partly cloudy. Slight chance of rain. Slight chance of snow after midnight. Widespread frost and patchy fog after midnight. Chance of precipitation 20 percent. Lows in the 20s to lower 30s.

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Lost Lake Temperature Statistics

October Temperature

Missoula, Missoula International Airport (30.4 miles)

  • Lowest 6 October, 2025

    27 °F

  • Average October

    50.7 °F

  • Highest 10 October, 2025

    81 °F

Climate (2020–Present)

Missoula, Missoula International Airport (30.4 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.3 °F
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