Lost Lake Weather Forecast

    • 28
    • 35

    Rain

    • 21
    • 32

    Blizzard

    • 22
    • 31

    Blizzard

    • 24
    • 32

    Blizzard

    • 19
    • 28

    Snow

    • 20
    • 21

    Snow Likely

    • 22
    • 25

    Snow Likely

Today 15 Dec Lower Clark Fork Region

Patchy fog early in the morning. Areas of rain late in the morning. Rain likely in the afternoon. Chance of rain 90 percent. Highs in the 40s. South Winds to 15 Mph in the afternoon.

Tonight 15 Dec Lower Clark Fork Region

Very windy with southwest Winds 25 to 35 Mph shifting to the west after midnight. Rain likely in the Evening, then Areas of rain after midnight. Chance of rain 70 percent. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

December Temperature

Mullan Pass, Mullan Pass Vor (34.8 miles)

  • Lowest 1 December, 2025

    15.1 °F

  • Average December

    28.6 °F

  • Highest 10 December, 2025

    39.9 °F

Climate (2020–Present)

Mullan Pass, Mullan Pass Vor (34.8 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    39.8 °F

  • Average High 2020–2025

    46.2 °F
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