Lost Lake Weather Forecast

    • 36
    • 44

    Rain Likely

    • 39
    • 49

    Rain Likely

    • 34
    • 53

    Chance Rain

    • 41
    • 53

    Slight Chance Rain

    • 38
    • 62

    Chance Rain

    • 33
    • 50

    Chance Rain

    • 35
    • 52

    Mostly Cloudy

Today 15 Oct Western and Central Chouteau County

Patchy fog early in the morning. Cloudy with a 50 percent chance of rain. Highs in the mid 40s. East Winds up to 5 Mph.

Tonight 15 Oct Western and Central Chouteau County

Mostly cloudy with a 20 percent chance of rain. Patchy fog. Lows 30 to 35. Northeast Winds up to 5 Mph shifting to the west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

October Temperature

Malmstrom Air Force Base (33.6 miles)

  • Lowest 13 October, 2025

    28 °F

  • Average October

    50.9 °F

  • Highest 10 October, 2025

    77.5 °F

Climate (2020–Present)

Malmstrom Air Force Base (33.6 miles)

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  • Average Low 2020–2025

    35.4 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    58.1 °F
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